首页 > 最新文献

Journal of Luminescence最新文献

英文 中文
Tm3+ doped CaF2 based oxyfluroborosilicate glasses and glass ceramics for visible and NIR lasers 用于可见光和近红外激光器的掺 Tm3+ CaF2 氧氟硼硅玻璃和玻璃陶瓷
IF 3.3 3区 物理与天体物理 Q2 OPTICS Pub Date : 2024-11-05 DOI: 10.1016/j.jlumin.2024.120978
Bungala Chinna Jamalaiah
The structural and luminescence properties of Tm3+ doped CaF2 based oxyfluoroborosilicate glasses and glass ceramics were discussed. The critical glass ceramic (BSTm1.0GC2) nature was obtained through different heat treatment processes as 450 °C for 1 h and the concentration of Tm3+ ions was optimized as 1.0 mol% for efficient emission. The spectroscopic and laser characteristic parameters were evaluated applying the standard Judd-Ofelt theory. The emission of blue light through 1D23F4 transition was studied by exciting at 360 nm UV wavelength. Upon 808 nm laser excitation, the glasses and glass ceramics produce 1.46 μm emission through 3H43F4 transition. The effective bandwidth (114.99 nm), stimulated emission cross-section (14.30 × 10−21 cm2), gain bandwidth (1644.74 × 10−28 cm3), figure of merit (10.21 × 10−24 cm2s) and the quantum yield (76 %) of 3H43F4 transition made the BSTm1.0GC2 suitable as gain medium for 1.46 μm NIR fiber laser applications.
讨论了掺杂 Tm3+ 的 CaF2 基氧氟硼硅玻璃和玻璃陶瓷的结构和发光特性。临界玻璃陶瓷(BSTm1.0GC2)的性质是通过 450 °C 1 小时的不同热处理工艺获得的,Tm3+ 离子的浓度优化为 1.0 mol%,以实现高效发射。采用标准的 Judd-Ofelt 理论对光谱和激光特性参数进行了评估。通过 360 nm 紫外波长的激发,研究了通过 1D2 → 3F4 转变发射蓝光的情况。在 808 nm 激光激发下,玻璃和玻璃陶瓷通过 3H4 → 3F4 转变产生 1.46 μm 的发射。BSTm1.0GC2 的有效带宽(114.99 nm)、受激发射截面(14.30 × 10-21 cm2)、增益带宽(1644.74 × 10-28 cm3)、优点系数(10.21 × 10-24 cm2s)和 3H4 → 3F4 转变的量子产率(76 %)使其适合作为 1.46 μm 近红外光纤激光器应用的增益介质。
{"title":"Tm3+ doped CaF2 based oxyfluroborosilicate glasses and glass ceramics for visible and NIR lasers","authors":"Bungala Chinna Jamalaiah","doi":"10.1016/j.jlumin.2024.120978","DOIUrl":"10.1016/j.jlumin.2024.120978","url":null,"abstract":"<div><div>The structural and luminescence properties of Tm<sup>3+</sup> doped CaF<sub>2</sub> based oxyfluoroborosilicate glasses and glass ceramics were discussed. The critical glass ceramic (BSTm1.0GC2) nature was obtained through different heat treatment processes as 450 °C for 1 h and the concentration of Tm<sup>3+</sup> ions was optimized as 1.0 mol% for efficient emission. The spectroscopic and laser characteristic parameters were evaluated applying the standard Judd-Ofelt theory. The emission of blue light through <sup>1</sup>D<sub>2</sub> → <sup>3</sup>F<sub>4</sub> transition was studied by exciting at 360 nm UV wavelength. Upon 808 nm laser excitation, the glasses and glass ceramics produce 1.46 μm emission through <sup>3</sup>H<sub>4</sub> → <sup>3</sup>F<sub>4</sub> transition. The effective bandwidth (114.99 nm), stimulated emission cross-section (14.30 × 10<sup>−21</sup> cm<sup>2</sup>), gain bandwidth (1644.74 × 10<sup>−28</sup> cm<sup>3</sup>), figure of merit (10.21 × 10<sup>−24</sup> cm<sup>2</sup>s) and the quantum yield (76 %) of <sup>3</sup>H<sub>4</sub> → <sup>3</sup>F<sub>4</sub> transition made the BSTm1.0GC2 suitable as gain medium for 1.46 μm NIR fiber laser applications.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120978"},"PeriodicalIF":3.3,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142660184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of alkali ions on the optical properties, bandwidth flatness, and gain coefficient of near-infrared emission spectra of Er3+-doped zinc silicate glass 碱离子对掺杂 Er3+ 的硅酸锌玻璃的光学特性、带宽平坦度和近红外发射光谱增益系数的影响
IF 3.3 3区 物理与天体物理 Q2 OPTICS Pub Date : 2024-11-05 DOI: 10.1016/j.jlumin.2024.120979
Ho Kim Dan , L.T. Ha , Nguyen Dinh Trung , Nguyen Minh Tam , Vu Thi Kim Lien , Nguyen Le Thai , Dacheng Zhou , Jianbei Qiu
In this paper, we investigate and report the effects of alkali ions A+ (A+ = Li+, Na+, K+) on the optical properties, bandwidth flatness (BFN), gain coefficient (G(λ)) for the near-infrared (NIR) emission spectra of Er3+-doped SiO2–ZnO–La2O3 (SZL) zinc silicate glass. With the change in the composition of A+ ions in the order from not containing any A+ ions → Li+ → Na+ → K+ → containing all three A+ ions including Li+, Na+, and K+, the direct and indirect bandgap (DBG and IBG), the absorption cross-section (σabs(λ)), the emission cross-section (σems(λ)), and the G(λ) parameters of Er3+-doped SZL glasses were determined to increase gradually. NIR emission intensities of Er3+-doped at 4I13/2 → 4I15/2 transition under excitations of both 808 and 980 nm LD all were significantly increased with the composition of A+ ions varies in order from not containing A+ ions → Li+ → Na+ → K+ → containing all three A+ ions. The reasons for the influence of A+ ions on the UC and NIR emission intensities of Er3+-doped in SZL glass are investigated and discussed. In addition, upconversion (UC) emission spectra of Er3+-doped, CIE 1931(x; y) coordinates and color region for UC emission spectra of Er3+-doped SZL glasses with different compositions of A+ ions under excitation of 980 nm laser diode (LD) are also determined.
本文研究并报告了碱离子 A+(A+ = Li+、Na+、K+)对掺杂 Er3+ 的 SiO2-ZnO-La2O3 (SZL) 硅酸锌玻璃近红外发射光谱的光学特性、带宽平坦度 (BFN) 和增益系数 (G(λ)) 的影响。随着 A+离子组成的变化,按照不含任何 A+离子→Li+→Na+→K+→含 Li+、Na+、K+三种 A+离子的顺序,确定了掺 Er3+ 的 SZL 玻璃的直接带隙(DBG)和间接带隙(IBG)、吸收截面(σabs(λ))、发射截面(σems(λ))和 G(λ)参数逐渐增大。在808 nm和980 nm LD激发下,掺杂Er3+在4I13/2→4I15/2跃迁点的近红外发射强度均随A+离子组成的变化而显著增加,依次为不含A+离子→Li+→Na+→K+→含全部三种A+离子。研究并讨论了 A+离子对掺杂在 SZL 玻璃中的 Er3+ 的 UC 和近红外发射强度产生影响的原因。此外,还测定了掺杂 Er3+ 的上转换(UC)发射光谱、不同 A+ 离子组成的掺杂 Er3+ 的 SZL 玻璃在 980 nm 激光二极管(LD)激发下的 UC 发射光谱的 CIE 1931(x; y)坐标和色区。
{"title":"Effects of alkali ions on the optical properties, bandwidth flatness, and gain coefficient of near-infrared emission spectra of Er3+-doped zinc silicate glass","authors":"Ho Kim Dan ,&nbsp;L.T. Ha ,&nbsp;Nguyen Dinh Trung ,&nbsp;Nguyen Minh Tam ,&nbsp;Vu Thi Kim Lien ,&nbsp;Nguyen Le Thai ,&nbsp;Dacheng Zhou ,&nbsp;Jianbei Qiu","doi":"10.1016/j.jlumin.2024.120979","DOIUrl":"10.1016/j.jlumin.2024.120979","url":null,"abstract":"<div><div>In this paper, we investigate and report the effects of alkali ions A<sup>+</sup> (A<sup>+</sup> = Li<sup>+</sup>, Na<sup>+</sup>, K<sup>+</sup>) on the optical properties, bandwidth flatness (BFN), gain coefficient (G(<em>λ</em>)) for the near-infrared (NIR) emission spectra of Er<sup>3+</sup>-doped SiO<sub>2</sub>–ZnO–La<sub>2</sub>O<sub>3</sub> (SZL) zinc silicate glass. With the change in the composition of A<sup>+</sup> ions in the order from not containing any A<sup>+</sup> ions → Li<sup>+</sup> → Na<sup>+</sup> → K<sup>+</sup> → containing all three A<sup>+</sup> ions including Li<sup>+</sup>, Na<sup>+</sup>, and K<sup>+</sup>, the direct and indirect bandgap (DBG and IBG), the absorption cross-section (σ<sub>abs</sub>(<em>λ</em>)), the emission cross-section (σ<sub>ems</sub>(<em>λ</em>)), and the G(<em>λ</em>) parameters of Er<sup>3+</sup>-doped SZL glasses were determined to increase gradually. NIR emission intensities of Er<sup>3+</sup>-doped at <sup>4</sup>I<sub>13/2</sub> → <sup>4</sup>I<sub>15/2</sub> transition under excitations of both 808 and 980 nm LD all were significantly increased with the composition of A<sup>+</sup> ions varies in order from not containing A<sup>+</sup> ions → Li<sup>+</sup> → Na<sup>+</sup> → K<sup>+</sup> → containing all three A<sup>+</sup> ions. The reasons for the influence of A<sup>+</sup> ions on the UC and NIR emission intensities of Er<sup>3+</sup>-doped in SZL glass are investigated and discussed. In addition, upconversion (UC) emission spectra of Er<sup>3+</sup>-doped, CIE 1931(x; y) coordinates and color region for UC emission spectra of Er<sup>3+</sup>-doped SZL glasses with different compositions of A<sup>+</sup> ions under excitation of 980 nm laser diode (LD) are also determined.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120979"},"PeriodicalIF":3.3,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142660186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Top-down approach for the preparation of Au/ZnO nanostructures by glancing-angle ion irradiation: Morphological, structural and optical studies 通过闪烁角离子辐照自上而下制备金/氧化锌纳米结构的方法:形态、结构和光学研究
IF 3.3 3区 物理与天体物理 Q2 OPTICS Pub Date : 2024-11-04 DOI: 10.1016/j.jlumin.2024.120974
K. Saravanan , G. Jayalakshmi , Sujoy Sen , P. Jegadeesan , Kishore K. Madapu , K. Ganesan , S.R. Polaki , Sunil Ojha
We report the 100 keV glancing-angle Xe+ ions irradiation based top down approach for the preparation of ZnO and Au/ZnO hybrid nanostructures and its morphological, structural and optical properties. FESEM micrographs reveal Xe+ ion irradiation favours the nucleation and formation of highly aligned, dense nanostrips like structures. Crystalline structure of ZnO, Xe+ ions irradiated ZnO and Au/ZnO hybrid nanostructures were analysed by grazing incident X-ray diffraction and Raman scattering measurements. The elemental compositions and thickness of the grown nanostructures were estimated using Rutherford backscattering spectrometry analysis. The influence of Xe+ ion irradiation on the photoluminescence (PL) behaviour of ZnO and Au/ZnO hybrid nanostructures were studied in detail using temperature dependent PL measurements in the range of 80–298 K. Strong PL emission associated with free excitons (FX) and its longitudinal optical phonon replicas observed in ion irradiated Au/ZnO hybrid nanostructures clearly reveal the strong coupling of the localized surface plasmons in the Au nanoparticles to the FX in ZnO. Our experimental results reveal ion beam irradiation is one of the effective approaches to tailor the optical properties of ZnO and Au/ZnO hybrid nanostructures.
我们报告了基于 100 keV 闪烁角 Xe+ 离子辐照的自顶向下方法制备氧化锌和金/氧化锌杂化纳米结构及其形态、结构和光学特性。FESEM 显微照片显示,Xe+ 离子辐照有利于成核和形成高度排列整齐、致密的纳米条状结构。通过掠入射 X 射线衍射和拉曼散射测量分析了氧化锌、Xe+ 离子辐照氧化锌和金/氧化锌杂化纳米结构的晶体结构。利用卢瑟福反向散射光谱分析估算了生长的纳米结构的元素组成和厚度。在离子照射的 Au/ZnO 混合纳米结构中观察到的与自由激子 (FX) 相关的强 PL 发射及其纵向光学声子复制品清楚地揭示了 Au 纳米粒子中的局部表面质子与 ZnO 中的 FX 的强耦合。我们的实验结果表明,离子束辐照是定制氧化锌和金/氧化锌杂化纳米结构光学特性的有效方法之一。
{"title":"Top-down approach for the preparation of Au/ZnO nanostructures by glancing-angle ion irradiation: Morphological, structural and optical studies","authors":"K. Saravanan ,&nbsp;G. Jayalakshmi ,&nbsp;Sujoy Sen ,&nbsp;P. Jegadeesan ,&nbsp;Kishore K. Madapu ,&nbsp;K. Ganesan ,&nbsp;S.R. Polaki ,&nbsp;Sunil Ojha","doi":"10.1016/j.jlumin.2024.120974","DOIUrl":"10.1016/j.jlumin.2024.120974","url":null,"abstract":"<div><div>We report the 100 keV glancing-angle Xe<sup>+</sup> ions irradiation based top down approach for the preparation of ZnO and Au/ZnO hybrid nanostructures and its morphological, structural and optical properties. FESEM micrographs reveal Xe<sup>+</sup> ion irradiation favours the nucleation and formation of highly aligned, dense nanostrips like structures. Crystalline structure of ZnO, Xe<sup>+</sup> ions irradiated ZnO and Au/ZnO hybrid nanostructures were analysed by grazing incident X-ray diffraction and Raman scattering measurements. The elemental compositions and thickness of the grown nanostructures were estimated using Rutherford backscattering spectrometry analysis. The influence of Xe<sup>+</sup> ion irradiation on the photoluminescence (PL) behaviour of ZnO and Au/ZnO hybrid nanostructures were studied in detail using temperature dependent PL measurements in the range of 80–298 K. Strong PL emission associated with free excitons (FX) and its longitudinal optical phonon replicas observed in ion irradiated Au/ZnO hybrid nanostructures clearly reveal the strong coupling of the localized surface plasmons in the Au nanoparticles to the FX in ZnO. Our experimental results reveal ion beam irradiation is one of the effective approaches to tailor the optical properties of ZnO and Au/ZnO hybrid nanostructures.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120974"},"PeriodicalIF":3.3,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142594143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Controlled synthesis of SrFCl: Tb nanoscintillators with improved X-ray detection limit 可控合成 SrFCl:提高了 X 射线探测极限的锑纳米闪烁体
IF 3.3 3区 物理与天体物理 Q2 OPTICS Pub Date : 2024-11-01 DOI: 10.1016/j.jlumin.2024.120972
Aoqing Wei, Jingtao Zhao, Danyang Shen, Lei Lei
Lanthanide-doped fluoride nanoparticles show promising applications in X-ray imaging. Enhancing the intensity of lanthanide activators in X-ray excited optical luminescence (XEOL) is crucial for reducing the risk of X-ray irradiation. In this work, we report that the SrFCl: Tb nanoparticles can be employed as scintillator for X-ray detection. The sizes of SrFCl: Tb are tuned by changing the chlorination temperature. The XEOL intensity of the SrFCl: Tb nanoscintillators (NSs) is approximately 4.3 times higher than that of SrF2: Tb seeds. Moreover, under the same X-ray irradiation conditions, the XEOL intensity of SrFCl: Tb is stronger than those of common CaF2: Tb, BaF2: Tb, and NaYF4: Tb NSs with similar mean particle sizes. The X-ray detection limit of the SrFCl: 15 Tb NSs is as low as 30.71 nGy s−1. Our results will promote the exploration of lanthanide-doped fluoride NSs with high X-ray detection performances.
掺杂镧系元素的氟化物纳米粒子在 X 射线成像中具有广阔的应用前景。增强镧系元素激活剂在 X 射线激发光学发光(XEOL)中的强度对于降低 X 射线辐照风险至关重要。在这项研究中,我们发现 SrFCl:Tb 纳米粒子可用作 X 射线探测的闪烁体。通过改变 SrFCl:Tb 的尺寸可通过改变氯化温度来调整。SrFCl: Tb 纳米闪烁体(SrFCl: Tb)的 XEOL 强度(XEOL: TbTb纳米闪烁体(NSs)的XEOL强度是SrF2: Tb种子的约4.3倍。此外,在相同的 X 射线辐照条件下,SrFCl: Tb 纳米闪烁体(NSs)的 XEOL 强度比普通 SrF2: Tb 种子高出约 4.3 倍:Tb 的 XEOL 强度高于平均粒径相似的普通 CaF2:Tb、BaF2:Tb 和 NaYF4:Tb NSs。SrFCl: 15 Tb NSs 的 X 射线探测极限低至 30.71 nGy s-1。我们的研究结果将促进对具有高 X 射线探测性能的掺镧系元素氟化物 NSs 的探索。
{"title":"Controlled synthesis of SrFCl: Tb nanoscintillators with improved X-ray detection limit","authors":"Aoqing Wei,&nbsp;Jingtao Zhao,&nbsp;Danyang Shen,&nbsp;Lei Lei","doi":"10.1016/j.jlumin.2024.120972","DOIUrl":"10.1016/j.jlumin.2024.120972","url":null,"abstract":"<div><div>Lanthanide-doped fluoride nanoparticles show promising applications in X-ray imaging. Enhancing the intensity of lanthanide activators in X-ray excited optical luminescence (XEOL) is crucial for reducing the risk of X-ray irradiation. In this work, we report that the SrFCl: Tb nanoparticles can be employed as scintillator for X-ray detection. The sizes of SrFCl: Tb are tuned by changing the chlorination temperature. The XEOL intensity of the SrFCl: Tb nanoscintillators (NSs) is approximately 4.3 times higher than that of SrF<sub>2</sub>: Tb seeds. Moreover, under the same X-ray irradiation conditions, the XEOL intensity of SrFCl: Tb is stronger than those of common CaF<sub>2</sub>: Tb, BaF<sub>2</sub>: Tb, and NaYF<sub>4</sub>: Tb NSs with similar mean particle sizes. The X-ray detection limit of the SrFCl: 15 Tb NSs is as low as 30.71 nGy s<sup>−1</sup>. Our results will promote the exploration of lanthanide-doped fluoride NSs with high X-ray detection performances.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120972"},"PeriodicalIF":3.3,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142572019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A broadband near-infrared phosphor: Solid-state synthesis, two Cr3+ sites occupation and enhanced thermal stability 一种宽带近红外荧光粉:固态合成、占据两个 Cr3+ 位点和增强的热稳定性
IF 3.3 3区 物理与天体物理 Q2 OPTICS Pub Date : 2024-10-30 DOI: 10.1016/j.jlumin.2024.120971
Ming Cheng , Zongqi Chen , Yayun Zhou , Peng Ren , Qiang Zhou , Huaijun Tang , Zhengliang Wang
The development of highly efficient, thermally stable Cr3+-activated near-infrared (NIR) phosphors has received significant attention in recent years. However, the synthesis of these phosphors often leads to environmental and safety concerns due to the presence of toxic and corrosive HF. So, we have successfully developed an HF-free synthetic route to synthesize a series of Cs2NaGa1-yScyF6:Cr3+ phosphors. By changing the ratio of Ga3+/Sc3+, the Cs2NaGa0.5Sc0.5F6:0.11Cr3+ (CNGSF:0.11Cr3+) phosphor with the strongest luminescence intensity was obtained. Two sets of NIR emission bands due to two different Cr3+ sites can be observed under blue light excitation. The phosphor exhibits a high internal quantum efficiency (IQE) of 66.7 % and good thermal stability. The luminescence intensity at 423 K maintains 88.7 % of the intensity at room temperature. A NIR light-emitting diode (LED) composed of the CNGSF:0.11Cr3+ phosphor and a blue InGaN chip was used as a NIR light source, and clearly visible photographs of the physical object and veins of the human hand were obtained. These images show that the phosphor has great potential for application in NIR LEDs for night vision and vein imaging.
近年来,高效、热稳定的 Cr3+ 激活型近红外(NIR)荧光粉的开发备受关注。然而,这些荧光粉的合成往往因有毒和腐蚀性 HF 的存在而引发环境和安全问题。因此,我们成功开发了一条无 HF 的合成路线,合成了一系列 Cs2NaGa1-yScyF6:Cr3+ 荧光粉。通过改变 Ga3+/Sc3+ 的比例,我们得到了发光强度最强的 Cs2NaGa0.5Sc0.5F6:0.11Cr3+ (CNGSF:0.11Cr3+)荧光粉。在蓝光激发下,可以观察到由两个不同的 Cr3+ 位点产生的两组近红外发射带。该荧光粉的内量子效率(IQE)高达 66.7 %,且具有良好的热稳定性。423 K 时的发光强度保持了室温下发光强度的 88.7%。使用由 CNGSF:0.11Cr3+ 荧光粉和蓝色 InGaN 芯片组成的近红外发光二极管 (LED) 作为近红外光源,获得了清晰可见的实物和人手静脉的照片。这些图像表明,该荧光粉在用于夜视和静脉成像的近红外 LED 中具有巨大的应用潜力。
{"title":"A broadband near-infrared phosphor: Solid-state synthesis, two Cr3+ sites occupation and enhanced thermal stability","authors":"Ming Cheng ,&nbsp;Zongqi Chen ,&nbsp;Yayun Zhou ,&nbsp;Peng Ren ,&nbsp;Qiang Zhou ,&nbsp;Huaijun Tang ,&nbsp;Zhengliang Wang","doi":"10.1016/j.jlumin.2024.120971","DOIUrl":"10.1016/j.jlumin.2024.120971","url":null,"abstract":"<div><div>The development of highly efficient, thermally stable Cr<sup>3+</sup>-activated near-infrared (NIR) phosphors has received significant attention in recent years. However, the synthesis of these phosphors often leads to environmental and safety concerns due to the presence of toxic and corrosive HF. So, we have successfully developed an HF-free synthetic route to synthesize a series of Cs<sub>2</sub>NaGa<sub>1-y</sub>Sc<sub>y</sub>F<sub>6</sub>:Cr<sup>3+</sup> phosphors. By changing the ratio of Ga<sup>3+</sup>/Sc<sup>3+</sup>, the Cs<sub>2</sub>NaGa<sub>0.5</sub>Sc<sub>0.5</sub>F<sub>6</sub>:0.11Cr<sup>3+</sup> (CNGSF:0.11Cr<sup>3+</sup>) phosphor with the strongest luminescence intensity was obtained. Two sets of NIR emission bands due to two different Cr<sup>3+</sup> sites can be observed under blue light excitation. The phosphor exhibits a high internal quantum efficiency (IQE) of 66.7 % and good thermal stability. The luminescence intensity at 423 K maintains 88.7 % of the intensity at room temperature. A NIR light-emitting diode (LED) composed of the CNGSF:0.11Cr<sup>3+</sup> phosphor and a blue InGaN chip was used as a NIR light source, and clearly visible photographs of the physical object and veins of the human hand were obtained. These images show that the phosphor has great potential for application in NIR LEDs for night vision and vein imaging.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120971"},"PeriodicalIF":3.3,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142572020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the structure, energy transfer, and color-tunable photoluminescence of the stable BaY2Si3O10: Bi/Tb/Sm phosphors 稳定的 BaY2Si3O10:Bi/Tb/Sm 荧光粉的结构、能量传递和颜色可调光致发光研究
IF 3.3 3区 物理与天体物理 Q2 OPTICS Pub Date : 2024-10-29 DOI: 10.1016/j.jlumin.2024.120969
X.Z. Zheng , Z.Y. Ye , Y.F. Zhang , L. Yue , Y.F. Lei , W.B. Dai
With the growing concern about energy consumption, white light-emitting diodes(wLEDs), as the fourth generation of lighting sources, are highly scrutinized by researchers. A series of Bi3+/Tb3+/Sm3+ (co)doped BaY2Si3O10 phosphors were prepared by traditional solid-state method, and the phase purity was analyzed by X-ray diffraction. In this work, Bi3+/Tb3+/Sm3+ theoretically occupies the Ba/Y sites, and this conjecture is also proved by spectral analysis. Under near ultraviolet (nUV) light excitation, Bi3+/Tb3+/Sm3+ is respectively used as the blue (3P11S0)/green (5D47Fj)/red (4G5/26Hj) luminescence center. Due to the energy transfer (ET) efficiency between Bi3+/Sm3+ is not ideal, Tb3+ is introduced as a bridge to improve the ET efficiency of the whole system to achieve spectral tunability and application in wLEDs. And at different excitation wavelengths, Bi3+ emits a wide range of blue to cyan light because it occupies two cation sites. We selected a proper excitation wavelength and obtained an emission spectrum covering the whole visible region. The CIE color coordinates (0.3487, 0.3313), the correlated color temperature (CCT, 4773.61 K), quantum efficiency (QE, 47.62 %), and thermal stability (T50 = 537 K) of BaY2Si3O10: Bi3+/Tb3+/Sm3+ are discussed in depth, Lu3+ was used instead of Y3+ to improve the thermal stability of BYS. Its excellent luminescence performance indicates that this phosphor has potential applications in nUV wLEDs.
随着人们对能源消耗的日益关注,白光发光二极管(wLED)作为第四代照明光源受到研究人员的高度关注。采用传统固态法制备了一系列 Bi3+/Tb3+/Sm3+(共)掺杂 BaY2Si3O10 荧光粉,并通过 X 射线衍射分析了其相纯度。在这项工作中,Bi3+/Tb3+/Sm3+ 理论上占据了 Ba/Y 位点,这一猜想也通过光谱分析得到了证实。在近紫外光(nUV)激发下,Bi3+/Tb3+/Sm3+ 分别作为蓝色(3P1 → 1S0)/绿色(5D4 → 7Fj)/红色(4G5/2 → 6Hj)发光中心。由于 Bi3+/Sm3+ 之间的能量转移(ET)效率并不理想,因此引入 Tb3+ 作为桥梁,以提高整个系统的 ET 效率,从而实现光谱的可调谐性并应用于 wLED。而在不同的激发波长下,Bi3+ 由于占据了两个阳离子位点,会发出从蓝色到青色的各种光线。我们选择了合适的激发波长,得到了覆盖整个可见光区域的发射光谱。我们深入讨论了 BaY2Si3O10: Bi3+/Tb3+/Sm3+ 的 CIE 色坐标(0.3487, 0.3313)、相关色温(CCT, 4773.61 K)、量子效率(QE, 47.62 %)和热稳定性(T50 = 537 K),并用 Lu3+ 代替 Y3+,以提高 BYS 的热稳定性。其优异的发光性能表明,这种荧光粉具有在 nUV wLED 中应用的潜力。
{"title":"Study on the structure, energy transfer, and color-tunable photoluminescence of the stable BaY2Si3O10: Bi/Tb/Sm phosphors","authors":"X.Z. Zheng ,&nbsp;Z.Y. Ye ,&nbsp;Y.F. Zhang ,&nbsp;L. Yue ,&nbsp;Y.F. Lei ,&nbsp;W.B. Dai","doi":"10.1016/j.jlumin.2024.120969","DOIUrl":"10.1016/j.jlumin.2024.120969","url":null,"abstract":"<div><div>With the growing concern about energy consumption, white light-emitting diodes(<em>w</em>LEDs), as the fourth generation of lighting sources, are highly scrutinized by researchers. A series of Bi<sup>3+</sup>/Tb<sup>3+</sup>/Sm<sup>3+</sup> (co)doped BaY<sub>2</sub>Si<sub>3</sub>O<sub>10</sub> phosphors were prepared by traditional solid-state method, and the phase purity was analyzed by X-ray diffraction. In this work, Bi<sup>3+</sup>/Tb<sup>3+</sup>/Sm<sup>3+</sup> theoretically occupies the Ba/Y sites, and this conjecture is also proved by spectral analysis. Under near ultraviolet (<em>n</em>UV) light excitation, Bi<sup>3+</sup>/Tb<sup>3+</sup>/Sm<sup>3+</sup> is respectively used as the blue (<sup>3</sup>P<sub>1</sub> → <sup>1</sup>S<sub>0</sub>)/green (<sup>5</sup>D<sub>4</sub> → <sup>7</sup>F<sub>j</sub>)/red (<sup>4</sup>G<sub>5/2</sub> → <sup>6</sup>H<sub>j</sub>) luminescence center. Due to the energy transfer (ET) efficiency between Bi<sup>3+</sup>/Sm<sup>3+</sup> is not ideal, Tb<sup>3+</sup> is introduced as a bridge to improve the ET efficiency of the whole system to achieve spectral tunability and application in <em>w</em>LEDs. And at different excitation wavelengths, Bi<sup>3+</sup> emits a wide range of blue to cyan light because it occupies two cation sites. We selected a proper excitation wavelength and obtained an emission spectrum covering the whole visible region. The CIE color coordinates (0.3487, 0.3313), the correlated color temperature (CCT, 4773.61 K), quantum efficiency (QE, 47.62 %), and thermal stability (<em>T</em><sub><em>50</em></sub> = 537 K) of BaY<sub>2</sub>Si<sub>3</sub>O<sub>10</sub>: Bi<sup>3+</sup>/Tb<sup>3+</sup>/Sm<sup>3+</sup> are discussed in depth, Lu<sup>3+</sup> was used instead of Y<sup>3+</sup> to improve the thermal stability of BYS. Its excellent luminescence performance indicates that this phosphor has potential applications in <em>n</em>UV <em>w</em>LEDs.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120969"},"PeriodicalIF":3.3,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142572022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Energy transfer and tunable photoluminescence of novel white-emitting Sr8MgY(PO4)7: Ce3+/Eu2+/Sm3+ phosphors 新型白光发光 Sr8MgY(PO4)7:Ce3+/Eu2+/Sm3+ 荧光体的能量传递和可调光致发光
IF 3.3 3区 物理与天体物理 Q2 OPTICS Pub Date : 2024-10-29 DOI: 10.1016/j.jlumin.2024.120967
Ningning Feng , Rui Huang , Guoqing Zhang , Lin Yuan , Hua Jiao , Jiangshan Han , Dezhong Cao , Boyu Wang , Kang Zhao
To develop a novel type of white-light-emitting phosphor, we successfully prepared a series of Ce3+/Eu2+/Sm3+ activated color-tunable phosphor Sr8MgY(PO4)7 (SMYP) through a classical solid-state reaction and crystal structure, luminescent characteristic, energy transfer and systematically investigated thermal stability of as-synthesized samples. The results manifest that the phase purity of Ce3+/Eu2+/Sm3+ co-doped SMYP phosphors was verified by the Rietveld structure refinements. Under 315 nm ultraviolet (UV) excitation, the Ce3+ single-doped SMYP phosphor reveals a broad and strong bluish-violet emission band in the range of 325–480 nm. The outstanding enhancement of Eu2+ emission intensity is realized by Ce3+ induced resonance energy transfer (ET). The ET mechanism of Ce3+→Eu2+ is governed by an electronic quadrupole-quadrupole interaction with a high ET efficiency of 89.8 %. In addition, the luminescent color of SMYP: Ce3+/Eu2+ samples can be changed from light green to white by introducing activators Sm3+ ions. The optimal chromaticity coordinate could be adjusted to (0.311, 0.343), which is the closest to the ideal white light coordinate (0.330, 0.330). To achieve white light, a white LED device fabricated by combining a 310 nm chip with the SMYP: Ce3+/Eu2+/Sm3+ phosphor shows a high color rendering index (CRI = 87.2) along with a low correlated color temperature (CCT≈4056.7 K) under the stimulation of 5 V voltage and 100 mA current. The above results show that SMYP: Ce3+/Eu2+/Sm3+ as a single component phosphor has potential application prospects in UV-pumped full-spectrum white LEDs.
为了开发新型白光发光荧光粉,我们通过经典固态反应成功制备了一系列 Ce3+/Eu2+/Sm3+ 活化的颜色可调荧光粉 Sr8MgY(PO4)7 (SMYP),并系统研究了合成样品的晶体结构、发光特性、能量传递和热稳定性。结果表明,Ce3+/Eu2+/Sm3+ 共掺杂 SMYP 荧光粉的相纯度通过里特维尔德结构细化得到了验证。在 315 nm 紫外线(UV)激发下,Ce3+ 单掺杂 SMYP 荧光粉在 325-480 nm 范围内显示出宽而强的蓝紫色发射带。Eu2+ 发射强度的显著增强是通过 Ce3+ 诱导的共振能量转移(ET)实现的。Ce3+→Eu2+ 的 ET 机制受电子四极-四极相互作用的支配,ET 效率高达 89.8%。此外,通过引入活化剂 Sm3+ 离子,SMYP:Ce3+/Eu2+ 样品的发光颜色可从浅绿色变为白色。最佳色度坐标可调整为(0.311,0.343),这与理想的白光坐标(0.330,0.330)最为接近。为了实现白光,将 310 nm 芯片与 SMYP:Ce3+/Eu2+/Sm3+ 荧光粉组合而成的白光 LED 器件在 5 V 电压和 100 mA 电流的刺激下显示出较高的显色指数(CRI = 87.2)和较低的相关色温(CCT≈4056.7 K)。上述结果表明,SMYP:Ce3+/Eu2+/Sm3+ 作为单组分荧光粉在紫外泵浦全光谱白光 LED 中具有潜在的应用前景。
{"title":"Energy transfer and tunable photoluminescence of novel white-emitting Sr8MgY(PO4)7: Ce3+/Eu2+/Sm3+ phosphors","authors":"Ningning Feng ,&nbsp;Rui Huang ,&nbsp;Guoqing Zhang ,&nbsp;Lin Yuan ,&nbsp;Hua Jiao ,&nbsp;Jiangshan Han ,&nbsp;Dezhong Cao ,&nbsp;Boyu Wang ,&nbsp;Kang Zhao","doi":"10.1016/j.jlumin.2024.120967","DOIUrl":"10.1016/j.jlumin.2024.120967","url":null,"abstract":"<div><div>To develop a novel type of white-light-emitting phosphor, we successfully prepared a series of Ce<sup>3+</sup>/Eu<sup>2+</sup>/Sm<sup>3+</sup> activated color-tunable phosphor Sr<sub>8</sub>MgY(PO<sub>4</sub>)<sub>7</sub> (SMYP) through a classical solid-state reaction and crystal structure, luminescent characteristic, energy transfer and systematically investigated thermal stability of as-synthesized samples. The results manifest that the phase purity of Ce<sup>3+</sup>/Eu<sup>2+</sup>/Sm<sup>3+</sup> co-doped SMYP phosphors was verified by the Rietveld structure refinements. Under 315 nm ultraviolet (UV) excitation, the Ce<sup>3+</sup> single-doped SMYP phosphor reveals a broad and strong bluish-violet emission band in the range of 325–480 nm. The outstanding enhancement of Eu<sup>2+</sup> emission intensity is realized by Ce<sup>3+</sup> induced resonance energy transfer (ET). The ET mechanism of Ce<sup>3+</sup>→Eu<sup>2+</sup> is governed by an electronic quadrupole-quadrupole interaction with a high ET efficiency of 89.8 %. In addition, the luminescent color of SMYP: Ce<sup>3+</sup>/Eu<sup>2+</sup> samples can be changed from light green to white by introducing activators Sm<sup>3+</sup> ions. The optimal chromaticity coordinate could be adjusted to (0.311, 0.343), which is the closest to the ideal white light coordinate (0.330, 0.330). To achieve white light, a white LED device fabricated by combining a 310 nm chip with the SMYP: Ce<sup>3+</sup>/Eu<sup>2+</sup>/Sm<sup>3+</sup> phosphor shows a high color rendering index (CRI = 87.2) along with a low correlated color temperature (CCT≈4056.7 K) under the stimulation of 5 V voltage and 100 mA current. The above results show that SMYP: Ce<sup>3+</sup>/Eu<sup>2+</sup>/Sm<sup>3+</sup> as a single component phosphor has potential application prospects in UV-pumped full-spectrum white LEDs.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120967"},"PeriodicalIF":3.3,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142572021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Continuous harmonic mode-locked pulsed ultrafast fiber laser based on PtS2 saturable absorber 基于 PtS2 可饱和吸收体的连续谐波锁模脉冲超快光纤激光器
IF 3.3 3区 物理与天体物理 Q2 OPTICS Pub Date : 2024-10-28 DOI: 10.1016/j.jlumin.2024.120958
Shixian Sun , Yutian He , Yu Han , Guangzhao Zhu , Xinxin Shang , Lezheng Wang , Yunqi Tang , Keyi Li , Hao Tan , Cheng Lu , Wenfei Zhang , Guomei Wang , Caixun Bai , Zhao Li , Nannan Xu , Huanian Zhang , Shenggui Fu
Saturable absorbers (SAs) play an important role in mode-locked fiber lasers. The search for SAs with excellent modulation properties has become a hot topic in the field of ultrafast photonics. PtS2 is a ideal material for SA due to its suitable band gap and Easily peelable layer structure. We prepared PtS2-SA by liquid-phase exfoliation (LPE) and tapered fiber. Subsequently, we measured the modulation depth of the prepared SA using the two-arm detection method as 6.4 %, and the saturation intensity is 4.5 MW/cm2. By varying the input power in the annular cavity, a conventional solitons (CS) with a center wavelength is 1530.3 nm and a repetition frequency of 6.1 MHz was obtained. Continuing to increase the power, a stable second-fourth orders harmonic mode-locked (HML) was obtained. Our work shows that PtS2-SA has excellent modulation in mode-locked fiber lasers. It also proves that PtS2 has good saturable absorption properties and improves the knowledge of research workers about the performance of PtS2. There is hope in future research work to further exploit the output properties of PtS2.
可饱和吸收体(SA)在锁模光纤激光器中发挥着重要作用。寻找具有出色调制特性的可饱和吸收体已成为超快光子学领域的热门话题。PtS2 具有合适的带隙和易于剥离的层结构,是一种理想的 SA 材料。我们通过液相剥离(LPE)和锥形光纤制备了 PtS2-SA。随后,我们利用双臂检测法测得制备的 SA 的调制深度为 6.4%,饱和强度为 4.5 MW/cm2。通过改变环形腔中的输入功率,获得了中心波长为 1530.3 nm、重复频率为 6.1 MHz 的常规孤子(CS)。继续增加功率,可以获得稳定的二阶至四阶谐波锁模(HML)。我们的工作表明,PtS2-SA 在锁模光纤激光器中具有出色的调制性能。这也证明了 PtS2 具有良好的可饱和吸收特性,增进了研究人员对 PtS2 性能的了解。未来的研究工作有望进一步开发 PtS2 的输出特性。
{"title":"Continuous harmonic mode-locked pulsed ultrafast fiber laser based on PtS2 saturable absorber","authors":"Shixian Sun ,&nbsp;Yutian He ,&nbsp;Yu Han ,&nbsp;Guangzhao Zhu ,&nbsp;Xinxin Shang ,&nbsp;Lezheng Wang ,&nbsp;Yunqi Tang ,&nbsp;Keyi Li ,&nbsp;Hao Tan ,&nbsp;Cheng Lu ,&nbsp;Wenfei Zhang ,&nbsp;Guomei Wang ,&nbsp;Caixun Bai ,&nbsp;Zhao Li ,&nbsp;Nannan Xu ,&nbsp;Huanian Zhang ,&nbsp;Shenggui Fu","doi":"10.1016/j.jlumin.2024.120958","DOIUrl":"10.1016/j.jlumin.2024.120958","url":null,"abstract":"<div><div>Saturable absorbers (SAs) play an important role in mode-locked fiber lasers. The search for SAs with excellent modulation properties has become a hot topic in the field of ultrafast photonics. PtS<sub>2</sub> is a ideal material for SA due to its suitable band gap and Easily peelable layer structure. We prepared PtS<sub>2</sub>-SA by liquid-phase exfoliation (LPE) and tapered fiber. Subsequently, we measured the modulation depth of the prepared SA using the two-arm detection method as 6.4 %, and the saturation intensity is 4.5 MW/cm<sup>2</sup>. By varying the input power in the annular cavity, a conventional solitons (CS) with a center wavelength is 1530.3 nm and a repetition frequency of 6.1 MHz was obtained. Continuing to increase the power, a stable second-fourth orders harmonic mode-locked (HML) was obtained. Our work shows that PtS<sub>2</sub>-SA has excellent modulation in mode-locked fiber lasers. It also proves that PtS<sub>2</sub> has good saturable absorption properties and improves the knowledge of research workers about the performance of PtS<sub>2</sub>. There is hope in future research work to further exploit the output properties of PtS<sub>2.</sub></div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120958"},"PeriodicalIF":3.3,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142540270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detection of electron spin resonance of a single nitrogen-vacancy center in diamond using the excited-state lifetime 利用激发态寿命探测金刚石中单个氮空位中心的电子自旋共振
IF 3.3 3区 物理与天体物理 Q2 OPTICS Pub Date : 2024-10-28 DOI: 10.1016/j.jlumin.2024.120965
Yujing Cao , Yan Liu , Junjie Lin , Mengting He , Weijun Guo , E Wu
We demonstrated a high precision lifetime-based magnetometry with a single NV center in the bulk diamond. The magnetometry precision in long-time measurements under this scheme outperformed that in the conventional intensity-based method, showing precision robustness neglecting the accumulation of technical noises such as sample drifts or laser power fluctuations. A magnetic field sensitivity of 7.8 μT Hz−1/2 with a single NV center was achieved, which is 13 times improvement of previously demonstrated lifetime-based magnetometry with π-pulses. In addition, the lifetime-based electron spin detection method provides time-resolved spin dynamic information, can be further combined with recently reported continuous measurement protocols towards higher precision.
我们展示了在大块金刚石中使用单个 NV 中心的高精度基于寿命的磁力测量法。在该方案下进行的长时间测量中,磁力测量精度优于传统的基于强度的方法,在忽略样品漂移或激光功率波动等技术噪音积累的情况下,显示出精度的稳健性。单个 NV 中心的磁场灵敏度达到了 7.8 μT Hz-1/2,比之前使用 π 脉冲进行的基于寿命的磁力测量提高了 13 倍。此外,基于寿命的电子自旋检测方法提供了时间分辨的自旋动态信息,可以进一步与最近报道的连续测量协议相结合,实现更高的精度。
{"title":"Detection of electron spin resonance of a single nitrogen-vacancy center in diamond using the excited-state lifetime","authors":"Yujing Cao ,&nbsp;Yan Liu ,&nbsp;Junjie Lin ,&nbsp;Mengting He ,&nbsp;Weijun Guo ,&nbsp;E Wu","doi":"10.1016/j.jlumin.2024.120965","DOIUrl":"10.1016/j.jlumin.2024.120965","url":null,"abstract":"<div><div>We demonstrated a high precision lifetime-based magnetometry with a single NV center in the bulk diamond. The magnetometry precision in long-time measurements under this scheme outperformed that in the conventional intensity-based method, showing precision robustness neglecting the accumulation of technical noises such as sample drifts or laser power fluctuations. A magnetic field sensitivity of 7.8 μT Hz<sup>−1/2</sup> with a single NV center was achieved, which is 13 times improvement of previously demonstrated lifetime-based magnetometry with π-pulses. In addition, the lifetime-based electron spin detection method provides time-resolved spin dynamic information, can be further combined with recently reported continuous measurement protocols towards higher precision.</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120965"},"PeriodicalIF":3.3,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142553304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and characterization of Er2O3-doped Y2O3 nanoparticle incorporated optical fiber for use as optical amplifier 用于光放大器的掺杂 Er2O3 Y2O3 纳米粒子光纤的合成与表征
IF 3.3 3区 物理与天体物理 Q2 OPTICS Pub Date : 2024-10-28 DOI: 10.1016/j.jlumin.2024.120966
Shaibal Sahoo , Sushanta Kr Mohapatra , Dipanjan Karmakar , Aruna Ghosh , Uttam Kr Samanta , Kausik Dana , Mukul Chandra Paul , K. Annapurna , Arnab Mukherjee , Anirban Dhar
Erbium oxide (Er2O3)-doped optical fibers (EDF) are well-known for their applications in optical amplification at 1550 nm. In this study, we present the synthesis of Er2O3-doped yttrium oxide (Y2O3) nanoparticles (NPs) using a homogeneous coprecipitation technique and their integration into optical fibers for enhanced optical amplification. A series of NP samples with varying Y/Er molar ratios were synthesized to identify the optimal composition for incorporation into optical fibers. X-ray diffraction (XRD) analysis revealed that the nanoparticles crystallize in a cubic geometry (space group Ia3) with crystallite sizes ranging from 20 to 41 nm. These sizes increased approximately to 90 nm as the calcination temperature was raised from 1000°C to 1400°C. Field emission scanning electron microscopy (FESEM) corroborated the XRD results, while high-resolution transmission electron microscopy (HRTEM) confirmed the crystalline structure and an average particle size of approximately 100 nm. Photoluminescence studies showed that emission and excitation intensities were functions of the Y/Er molar concentration ratio and calcination temperature, with the lifetime extending up to 6.86 ms for a sample with a 0.25:0.01 Y2O3:Er2O3 ratio calcined at 1400°C. To assess the performance of the synthesized NPs, an optical preform was prepared using the Vapor Phase Delivery (VPD) method combined with the Solution Doping (SD) technique. The preform was then drawn into fiber, and its amplification performance was evaluated. The resulting fiber demonstrated efficient amplification with a gain of 14.9 dB with respect to 0 dBm input signal at 1550 nm under 150 mW pump power from 9 m active fiber, indicating its potential as a gain medium for constructing erbium-doped fiber amplifiers (EDFAs).
掺杂氧化铒(Er2O3)的光纤(EDF)因其在 1550 nm 波长光放大中的应用而闻名。在本研究中,我们采用均相共沉淀技术合成了掺杂 Er2O3 的氧化钇(Y2O3)纳米粒子(NPs),并将其集成到光纤中以增强光放大效果。合成了一系列具有不同 Y/Er 摩尔比的 NP 样品,以确定将其纳入光纤的最佳成分。X 射线衍射(XRD)分析表明,纳米粒子以立方几何形状(空间群 Ia3)结晶,晶粒大小在 20 到 41 nm 之间。当煅烧温度从 1000°C 提高到 1400°C 时,这些尺寸大约增加到 90 nm。场发射扫描电子显微镜(FESEM)证实了 XRD 的结果,而高分辨率透射电子显微镜(HRTEM)则证实了晶体结构和大约 100 nm 的平均粒度。光致发光研究表明,发射和激发强度是 Y/Er 摩尔浓度比和煅烧温度的函数,对于在 1400°C 煅烧的 Y2O3:Er2O3 比例为 0.25:0.01 的样品,其寿命可延长至 6.86 ms。为了评估合成 NPs 的性能,使用气相传输 (VPD) 方法结合溶液掺杂 (SD) 技术制备了光学预型件。然后将预型件拉制成光纤,并对其放大性能进行了评估。在 9 米长有源光纤 150 mW 泵浦功率下,所制备的光纤在 1550 nm 波长的 0 dBm 输入信号上实现了 14.9 dB 的增益,显示了其作为增益介质用于构建掺铒光纤放大器(EDFA)的潜力。
{"title":"Synthesis and characterization of Er2O3-doped Y2O3 nanoparticle incorporated optical fiber for use as optical amplifier","authors":"Shaibal Sahoo ,&nbsp;Sushanta Kr Mohapatra ,&nbsp;Dipanjan Karmakar ,&nbsp;Aruna Ghosh ,&nbsp;Uttam Kr Samanta ,&nbsp;Kausik Dana ,&nbsp;Mukul Chandra Paul ,&nbsp;K. Annapurna ,&nbsp;Arnab Mukherjee ,&nbsp;Anirban Dhar","doi":"10.1016/j.jlumin.2024.120966","DOIUrl":"10.1016/j.jlumin.2024.120966","url":null,"abstract":"<div><div>Erbium oxide (Er<sub>2</sub>O<sub>3</sub>)-doped optical fibers (EDF) are well-known for their applications in optical amplification at 1550 nm. In this study, we present the synthesis of Er<sub>2</sub>O<sub>3</sub>-doped yttrium oxide (Y<sub>2</sub>O<sub>3</sub>) nanoparticles (NPs) using a homogeneous coprecipitation technique and their integration into optical fibers for enhanced optical amplification. A series of NP samples with varying Y/Er molar ratios were synthesized to identify the optimal composition for incorporation into optical fibers. X-ray diffraction (XRD) analysis revealed that the nanoparticles crystallize in a cubic geometry (space group Ia3) with crystallite sizes ranging from 20 to 41 nm. These sizes increased approximately to 90 nm as the calcination temperature was raised from 1000°C to 1400°C. Field emission scanning electron microscopy (FESEM) corroborated the XRD results, while high-resolution transmission electron microscopy (HRTEM) confirmed the crystalline structure and an average particle size of approximately 100 nm. Photoluminescence studies showed that emission and excitation intensities were functions of the Y/Er molar concentration ratio and calcination temperature, with the lifetime extending up to 6.86 ms for a sample with a 0.25:0.01 Y<sub>2</sub>O<sub>3</sub>:Er<sub>2</sub>O<sub>3</sub> ratio calcined at 1400°C. To assess the performance of the synthesized NPs, an optical preform was prepared using the Vapor Phase Delivery (VPD) method combined with the Solution Doping (SD) technique. The preform was then drawn into fiber, and its amplification performance was evaluated. The resulting fiber demonstrated efficient amplification with a gain of 14.9 dB with respect to 0 dBm input signal at 1550 nm under 150 mW pump power from 9 m active fiber, indicating its potential as a gain medium for constructing erbium-doped fiber amplifiers (EDFAs).</div></div>","PeriodicalId":16159,"journal":{"name":"Journal of Luminescence","volume":"277 ","pages":"Article 120966"},"PeriodicalIF":3.3,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142561346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Journal of Luminescence
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1