N. V. Konoshchuk, O. P. Rozovik, H. V. Fedorenko, V. G. Koshechko, V. D. Pokhodenko
{"title":"机械化学方法获得的掺杂 Mn2+ 的混合包光体 CH3NH3PbHal3(Hal = Cl,Br)的结构和发光特性","authors":"N. V. Konoshchuk, O. P. Rozovik, H. V. Fedorenko, V. G. Koshechko, V. D. Pokhodenko","doi":"10.1007/s11237-024-09792-x","DOIUrl":null,"url":null,"abstract":"<p>A series of Mn<sup>2+</sup> -doped hybrid perovskites MAPb<sub>1-x</sub>Mn<sub>x</sub>Hal<sub>3</sub> (MA = CH<sub>3</sub>NH<sub>3</sub>, Hal = Cl and Br in different ratios, x = 0.33, 0.5, 0.67, 0.8) was obtained for the first time by mechanochemical synthesis. It is shown that materials obtained retain the perovskite structure even at the highest content of manganese ions (x = 0.8), and their structural and optical characteristics are mainly determined by the Cl/Br ratio. It is established that dispersions in toluene and nanocomposite films in polystyrene exhibit the intense photoluminescence (PL) due to the formation of pseudo-2D nanoparticles as a result of the ultrasonic disintegration of powders in an organic solvent. It is shown that the PL spectra of dispersions and nanocomposite films based on MAPb<sub>1–x</sub>Mn<sub>x</sub>Cl<sub>3</sub> are characterized by the appearance of an additional emission band from Mn<sup>2+</sup> ions in the red region of the spectrum, due to which it is possible to increase the PL quantum yield from 0.2% (for the undoped sample) to 6.3% (films) and 10.2% (dispersions).</p>","PeriodicalId":796,"journal":{"name":"Theoretical and Experimental Chemistry","volume":null,"pages":null},"PeriodicalIF":0.7000,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Structure and Luminescent Properties of Mechanochemically Obtained Mn2+-Doped Hybrid Perovskites CH3NH3PbHal3 (Hal = Cl, Br)\",\"authors\":\"N. V. Konoshchuk, O. P. Rozovik, H. V. Fedorenko, V. G. Koshechko, V. D. Pokhodenko\",\"doi\":\"10.1007/s11237-024-09792-x\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>A series of Mn<sup>2+</sup> -doped hybrid perovskites MAPb<sub>1-x</sub>Mn<sub>x</sub>Hal<sub>3</sub> (MA = CH<sub>3</sub>NH<sub>3</sub>, Hal = Cl and Br in different ratios, x = 0.33, 0.5, 0.67, 0.8) was obtained for the first time by mechanochemical synthesis. It is shown that materials obtained retain the perovskite structure even at the highest content of manganese ions (x = 0.8), and their structural and optical characteristics are mainly determined by the Cl/Br ratio. It is established that dispersions in toluene and nanocomposite films in polystyrene exhibit the intense photoluminescence (PL) due to the formation of pseudo-2D nanoparticles as a result of the ultrasonic disintegration of powders in an organic solvent. It is shown that the PL spectra of dispersions and nanocomposite films based on MAPb<sub>1–x</sub>Mn<sub>x</sub>Cl<sub>3</sub> are characterized by the appearance of an additional emission band from Mn<sup>2+</sup> ions in the red region of the spectrum, due to which it is possible to increase the PL quantum yield from 0.2% (for the undoped sample) to 6.3% (films) and 10.2% (dispersions).</p>\",\"PeriodicalId\":796,\"journal\":{\"name\":\"Theoretical and Experimental Chemistry\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.7000,\"publicationDate\":\"2024-03-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Theoretical and Experimental Chemistry\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s11237-024-09792-x\",\"RegionNum\":4,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Theoretical and Experimental Chemistry","FirstCategoryId":"92","ListUrlMain":"https://link.springer.com/article/10.1007/s11237-024-09792-x","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Structure and Luminescent Properties of Mechanochemically Obtained Mn2+-Doped Hybrid Perovskites CH3NH3PbHal3 (Hal = Cl, Br)
A series of Mn2+ -doped hybrid perovskites MAPb1-xMnxHal3 (MA = CH3NH3, Hal = Cl and Br in different ratios, x = 0.33, 0.5, 0.67, 0.8) was obtained for the first time by mechanochemical synthesis. It is shown that materials obtained retain the perovskite structure even at the highest content of manganese ions (x = 0.8), and their structural and optical characteristics are mainly determined by the Cl/Br ratio. It is established that dispersions in toluene and nanocomposite films in polystyrene exhibit the intense photoluminescence (PL) due to the formation of pseudo-2D nanoparticles as a result of the ultrasonic disintegration of powders in an organic solvent. It is shown that the PL spectra of dispersions and nanocomposite films based on MAPb1–xMnxCl3 are characterized by the appearance of an additional emission band from Mn2+ ions in the red region of the spectrum, due to which it is possible to increase the PL quantum yield from 0.2% (for the undoped sample) to 6.3% (films) and 10.2% (dispersions).
期刊介绍:
Theoretical and Experimental Chemistry is a journal for the rapid publication of research communications and reviews on modern problems of physical chemistry such as:
a) physicochemical bases, principles, and methods for creation of novel processes, compounds, and materials;
b) physicochemical principles of chemical process control, influence of external physical forces on chemical reactions;
c) physical nanochemistry, nanostructures and nanomaterials, functional nanomaterials, size-dependent properties of materials.