Hybrid Metal Halides with Multiple Photoluminescence Centers : научное издание | Научно-инновационный портал СФУ

Hybrid Metal Halides with Multiple Photoluminescence Centers : научное издание

Тип публикации: статья из журнала

Год издания: 2019

Идентификатор DOI: 10.1002/anie.201911419

Ключевые слова: light-emitting diodes, manganese, metal halides, photoluminescence, 0D materials

Аннотация: Very little is known about the realm of solid-state metal halide compounds comprising two or more halometalate anions. Such compounds would be of great interest if their optical and electronic properties could be rationally designed. Herein, we report a new example of metal halide cluster-assembled compound (C9NH20)(9)[Pb3Br11](MnBr4)(2), featuring distinctly different anionic polyhedra, namely, a rare lead halide cluster [Pb3Br11](5-) and [MnBr4](2-). In accordance with its multinary zero-dimensional (0D) structure, this compound is found to contain two distinct emission centers, 565 nm and 528 nm, resulting from the formation of self-trapped excitons and T-4(1)-(6)A(1) transition of Mn2+ ions, respectively. Based on the high durability of (C9NH20)(9)[Pb3Br11](MnBr4)(2) upon light and heat, as well as high photoluminescence quantum yield (PLQY) of 49.8 % under 450 nm blue light excitation, white light-emitting diodes (WLEDs) are fabricated, showcasing its potential in backlight application.

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Издание

Журнал: ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

ISSN журнала: 14337851

Место издания: WEINHEIM

Издатель: WILEY-V C H VERLAG GMBH

Авторы

  • Li Mingze (Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China)
  • Zhou Jun (Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China)
  • Zhou Guojun (Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China)
  • Molokeev Maxim S. (Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia; Siberian Fed Univ, Krasnoyarsk 660041, Russia; Far Eastern State Transport Univ, Dept Phys, Khabarovsk 680021, Russia)
  • Zhao Jing (Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China)
  • Morad Viktoriia (Swiss Fed Inst Technol, Lab Inorgan Chem, Dept Chem & Appl Biosci, Vladimir Prelog Weg 1, CH-8093 Zurich, Switzerland; Empa Swiss Fed Labs Mat Sci & Technol, Lab Thin Films & Photovolta, Oberlandstr 129, CH-8600 Dubendorf, SwitzerlandArticleEarly Access)
  • Kovalenko Maksym (Swiss Fed Inst Technol, Lab Inorgan Chem, Dept Chem & Appl Biosci, Vladimir Prelog Weg 1, CH-8093 Zurich, Switzerland; Empa Swiss Fed Labs Mat Sci & Technol, Lab Thin Films & Photovolta, Oberlandstr 129, CH-8600 Dubendorf, SwitzerlandArticleEarly Access)
  • Xia Zhiguo (Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China; South China Univ, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China; South China Univ, Inst Opt Commun Mat, Guangzhou 510641, Guangdong, Peoples R China)

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