{"title":"Progress of Two-dimensional Perovskite Solar Cells Based on Aromatic Organic Spacers","authors":"Yuping Gao, Rui Wang, Yongsheng Liu","doi":"10.37188/cjl.20220359","DOIUrl":"https://doi.org/10.37188/cjl.20220359","url":null,"abstract":"","PeriodicalId":10121,"journal":{"name":"Chinese Journal of Luminescence","volume":"77 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69941058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lead halide perovskite luminescent materials have attracted much attention due to their unique optoelec⁃ tronic advantages such as high fluorescence quantum yield, narrow emission spectrum, and adjustable emission wavelength. However, the toxicity of metal lead and the stability of perovskite are the problems that need to be solved in the practical application in the field of flat-panel display and solid-state lighting in the future. Therefore, it is an imperative trend to explore more green and environment-friendly lead-free metal halide perovskite luminescent materi⁃ als with the same optoelectronic properties as lead-based counterparts. In recent years, significant progress has been made in the research of lead-free metal halide perovskite variant (LFMHPV) luminescent materials. In this review, the crystal structure, preparation methods and luminescent mechanism of LFMHPVs are summarized. The factors af⁃ fecting the photoelectric properties of these materials are discussed, and their applications in the field of photolumi⁃ nescence and electroluminescence devices are categorized. Finally, how to further improve the performance of LFMHPV luminescent materials is summarized and prospected, which is conceived to provide useful guidelines for further design and application of novel metal halides with high performance.
{"title":"Recent Progress of Lead-free Metal Halide Perovskite Variant Luminescent Materials","authors":"Bing Han, Yizhao Qing, Zhiming Zhou, Zhanao Tan","doi":"10.37188/cjl.20230058","DOIUrl":"https://doi.org/10.37188/cjl.20230058","url":null,"abstract":"Lead halide perovskite luminescent materials have attracted much attention due to their unique optoelec⁃ tronic advantages such as high fluorescence quantum yield, narrow emission spectrum, and adjustable emission wavelength. However, the toxicity of metal lead and the stability of perovskite are the problems that need to be solved in the practical application in the field of flat-panel display and solid-state lighting in the future. Therefore, it is an imperative trend to explore more green and environment-friendly lead-free metal halide perovskite luminescent materi⁃ als with the same optoelectronic properties as lead-based counterparts. In recent years, significant progress has been made in the research of lead-free metal halide perovskite variant (LFMHPV) luminescent materials. In this review, the crystal structure, preparation methods and luminescent mechanism of LFMHPVs are summarized. The factors af⁃ fecting the photoelectric properties of these materials are discussed, and their applications in the field of photolumi⁃ nescence and electroluminescence devices are categorized. Finally, how to further improve the performance of LFMHPV luminescent materials is summarized and prospected, which is conceived to provide useful guidelines for further design and application of novel metal halides with high performance.","PeriodicalId":10121,"journal":{"name":"Chinese Journal of Luminescence","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69945610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Peng Han, He Liu, F. Guo, Shiyong Gao, Jinzhong Wang, Yong Zhang
{"title":"Fabrication and Performance of Self-powered Photoelectrochemical Detectors Based on BiI3 Modified Cs3Bi2I9","authors":"Peng Han, He Liu, F. Guo, Shiyong Gao, Jinzhong Wang, Yong Zhang","doi":"10.37188/cjl.20230063","DOIUrl":"https://doi.org/10.37188/cjl.20230063","url":null,"abstract":"","PeriodicalId":10121,"journal":{"name":"Chinese Journal of Luminescence","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69945977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Saihui Li, Shiliang Kang, Z. Chen, Yuxin Shao, Changgui Lin
： Efficient optical modulation enables a prominent improvement of optical conversion efficiency and regu⁃ lation of optical response rate ， which shows great potential in the field of optoelectronics. However ， the weak interac⁃ tion between photons poses a strong obstacle for manipulating photon - photon interactivity. Here ， upon simultaneous excitation of 850 nm and 1 550 nm ， a fast - slow optical modulation of green up - conversion luminescence in oxyfluo⁃ ride glass ceramics containing Er 3+ ∶ NaYF 4 nanocrystals can be achieved. Compared with the sum of the lumines⁃ cence intensity with two single - wavelength excitations ， the green up - conversion luminescence intensity excited by si⁃ multaneous two - wavelength presents a significant increase by an order of magnitude. It is worth noting that the fast - slow response rate of green up - conversion luminescence relies on the pump strategy of two - wavelength excitation ， showing as high as four times of the fast - slow response difference. The fast - slow optical modulation of green up - con⁃ version luminescence under two - wavelength excitation may find potential applications in emerging all - optical switching.
{"title":"Up-conversion Luminescence Performance of Oxyfluoride Glass-ceramic Containing Er3+∶NaYF4 Nanocrystals Under Two-wavelength Excitation","authors":"Saihui Li, Shiliang Kang, Z. Chen, Yuxin Shao, Changgui Lin","doi":"10.37188/cjl.20230069","DOIUrl":"https://doi.org/10.37188/cjl.20230069","url":null,"abstract":"： Efficient optical modulation enables a prominent improvement of optical conversion efficiency and regu⁃ lation of optical response rate ， which shows great potential in the field of optoelectronics. However ， the weak interac⁃ tion between photons poses a strong obstacle for manipulating photon - photon interactivity. Here ， upon simultaneous excitation of 850 nm and 1 550 nm ， a fast - slow optical modulation of green up - conversion luminescence in oxyfluo⁃ ride glass ceramics containing Er 3+ ∶ NaYF 4 nanocrystals can be achieved. Compared with the sum of the lumines⁃ cence intensity with two single - wavelength excitations ， the green up - conversion luminescence intensity excited by si⁃ multaneous two - wavelength presents a significant increase by an order of magnitude. It is worth noting that the fast - slow response rate of green up - conversion luminescence relies on the pump strategy of two - wavelength excitation ， showing as high as four times of the fast - slow response difference. The fast - slow optical modulation of green up - con⁃ version luminescence under two - wavelength excitation may find potential applications in emerging all - optical switching.","PeriodicalId":10121,"journal":{"name":"Chinese Journal of Luminescence","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69946030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
： Spectral hole - burning holographic storage has the characteristics of high - density ， anti - interference and low - energy - consumption ， and has potential ability of storing massive “ cold data ” . Based on our own research experi‐ ence ， we briefly review the development process and existing bottlenecks of spectral hole - burning. We propose a new idea to achieve room - temperature holographic spectral hole - burning in a functional unit of transition - metal - oxide/no‐ ble - metal ， which is based on the principle of plasmatic spectral hole - burning. Then we present the latest achieve‐ ments in large - area holographic discs and compact - type holographic memory devices. We also have a prospect for fu‐ ture work on high - density holographic spectral hole - burning in frequency domain via orderly arrangement of function‐ al units. A series of work of the authors group open up a new direction for high - density optical storage ， and provide a useful idea for the development of transition - metal - oxide - based optoelectronic devices with high - integration.
{"title":"Room-temperature Holographic Spectral Hole-burning: Implementation Path and Research Prospect","authors":"Shencheng Fu, Yi-Chen Liu","doi":"10.37188/cjl.20230086","DOIUrl":"https://doi.org/10.37188/cjl.20230086","url":null,"abstract":"： Spectral hole - burning holographic storage has the characteristics of high - density ， anti - interference and low - energy - consumption ， and has potential ability of storing massive “ cold data ” . Based on our own research experi‐ ence ， we briefly review the development process and existing bottlenecks of spectral hole - burning. We propose a new idea to achieve room - temperature holographic spectral hole - burning in a functional unit of transition - metal - oxide/no‐ ble - metal ， which is based on the principle of plasmatic spectral hole - burning. Then we present the latest achieve‐ ments in large - area holographic discs and compact - type holographic memory devices. We also have a prospect for fu‐ ture work on high - density holographic spectral hole - burning in frequency domain via orderly arrangement of function‐ al units. A series of work of the authors group open up a new direction for high - density optical storage ， and provide a useful idea for the development of transition - metal - oxide - based optoelectronic devices with high - integration.","PeriodicalId":10121,"journal":{"name":"Chinese Journal of Luminescence","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69946752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lei Xu, Yue Yu, Yuyu Pan, Bohan Wang, Lei Ying, Yuguang Ma
： The blue OLED material plays a vital role in the field of electroluminescence. Based on high - energy ex⁃ cited state transition ， the “ hot exciton ” materials show the potential of excellent blue light emitting. We designed and synthesized a novel D - π - A structure molecule TACN using anthracene as the core building unit ， triphenylben⁃ zene as the weak donor and phenylcyanogen as the acceptor by adjusting the ability of pushing and pulling electrons. Distorted triphenylbenzene provides a highly distorted molecular conformation ， which effectively attenuates the quenching effect in the aggregated state. Therefore ， TACN exhibits a high fluorescence quantum yield （ 47% in the aggregated state ） . The experimental results and theoretical analysis show that TACN has the “ hot exciton ” character⁃ istic ， and its large T 2 - T 1 gap （ 1. 45 eV ） effectively hinders the internal conversion （ IC ） process from T 2 to T 1 ， while its small T 2 - S 1 energy difference （ 0. 18 eV ， T 2 > S 1 ） facilitates the reverse intersystem crossing （ RISC ） process. Non - doped devices based on TACN exhibit dark blue emission （ λ max
蓝色OLED材料在电致发光领域起着至关重要的作用。基于高能被引态跃迁，“热激子”材料显示出优异的蓝光发射潜力。以蒽为核心构建单元，三苯基苯乙烯为弱给体，苯基氰为受体，通过调节电子的推拉能力，设计合成了新型的D - π - a结构分子TACN。扭曲的三苯基苯提供了一个高度扭曲的分子构象，有效地减弱了聚集态的猝灭效应。因此，TACN具有较高的荧光量子产率(聚集态为47%)。实验结果和理论分析表明，TACN具有“热激子”特性，且具有较大的t2 - t1间隙(1。45 eV)有效地阻碍了从t2到t1的内部转换(IC)过程，而其较小的t2 - s1能量差(0。18 eV, T 2 > S 1)便于反向系统间交叉(RISC)过程。基于TACN的非掺杂器件呈现出深蓝色发射(λ max)
{"title":"High-performance Deep Blue “Hot Exciton” Materials Based on Anthracene","authors":"Lei Xu, Yue Yu, Yuyu Pan, Bohan Wang, Lei Ying, Yuguang Ma","doi":"10.37188/cjl.20230137","DOIUrl":"https://doi.org/10.37188/cjl.20230137","url":null,"abstract":"： The blue OLED material plays a vital role in the field of electroluminescence. Based on high - energy ex⁃ cited state transition ， the “ hot exciton ” materials show the potential of excellent blue light emitting. We designed and synthesized a novel D - π - A structure molecule TACN using anthracene as the core building unit ， triphenylben⁃ zene as the weak donor and phenylcyanogen as the acceptor by adjusting the ability of pushing and pulling electrons. Distorted triphenylbenzene provides a highly distorted molecular conformation ， which effectively attenuates the quenching effect in the aggregated state. Therefore ， TACN exhibits a high fluorescence quantum yield （ 47% in the aggregated state ） . The experimental results and theoretical analysis show that TACN has the “ hot exciton ” character⁃ istic ， and its large T 2 - T 1 gap （ 1. 45 eV ） effectively hinders the internal conversion （ IC ） process from T 2 to T 1 ， while its small T 2 - S 1 energy difference （ 0. 18 eV ， T 2 > S 1 ） facilitates the reverse intersystem crossing （ RISC ） process. Non - doped devices based on TACN exhibit dark blue emission （ λ max","PeriodicalId":10121,"journal":{"name":"Chinese Journal of Luminescence","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69948395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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