Hybrid Metal Halides with Multiple Photoluminescence Centers

Mingze Li¹, Jun Zhou¹, Guojun Zhou¹, Maxim S Molokeev^{2

3

4}, Jing Zhao¹, Viktoriia Morad^{5

6}, Maksym V Kovalenko^{5

6}, Zhiguo Xia^{1

7}

Affiliations

¹ School of Materials Sciences and Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
² Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russia.
³ Siberian Federal University, Krasnoyarsk, 660041, Russia.
⁴ Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russia.
⁵ Laboratory of Inorganic Chemistry, Department of Chemistry and Applied Bioscience, ETH Zürich, Vladimir Prelog Weg 1, 8093, Zürich, Switzerland.
⁶ Laboratory for Thin Films and Photovoltaics, Empa-Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600, Dübendorf, Switzerland.
⁷ State Key Laboratory of Luminescent Materials and Devices and Institute of Optical Communication Materials, South China University of Technology, Guangzhou, 510641, China.

PMID: 31602721
DOI: 10.1002/anie.201911419

Review

Hybrid Metal Halides with Multiple Photoluminescence Centers

Mingze Li et al. Angew Chem Int Ed Engl. 2019.

. 2019 Dec 16;58(51):18670-18675.

doi: 10.1002/anie.201911419. Epub 2019 Nov 4.

Authors

Mingze Li¹, Jun Zhou¹, Guojun Zhou¹, Maxim S Molokeev^{2

3

4}, Jing Zhao¹, Viktoriia Morad^{5

6}, Maksym V Kovalenko^{5

6}, Zhiguo Xia^{1

7}

Affiliations

¹ School of Materials Sciences and Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
² Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russia.
³ Siberian Federal University, Krasnoyarsk, 660041, Russia.
⁴ Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russia.
⁵ Laboratory of Inorganic Chemistry, Department of Chemistry and Applied Bioscience, ETH Zürich, Vladimir Prelog Weg 1, 8093, Zürich, Switzerland.
⁶ Laboratory for Thin Films and Photovoltaics, Empa-Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600, Dübendorf, Switzerland.
⁷ State Key Laboratory of Luminescent Materials and Devices and Institute of Optical Communication Materials, South China University of Technology, Guangzhou, 510641, China.

PMID: 31602721
DOI: 10.1002/anie.201911419

Abstract

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 (C₉ NH₂₀ )₉ [Pb₃ Br₁₁ ](MnBr₄ )₂ , featuring distinctly different anionic polyhedra, namely, a rare lead halide cluster [Pb₃ Br₁₁ ]^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 ⁴ T₁ -⁶ A₁ transition of Mn²⁺ ions, respectively. Based on the high durability of (C₉ NH₂₀ )₉ [Pb₃ Br₁₁ ](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.

Keywords: 0D materials; light-emitting diodes; manganese; metal halides; photoluminescence.

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References

1. None
1. P. F. Smet, J. J. Joos, Nat. Mater. 2017, 16, 500-501;
1. S. Pimputkar, J. S. Speck, S. P. DenBaars, S. Nakamura, Nat. Photonics 2009, 3, 180;
1. H. X. Liao, M. Zhao, Y. Y. Zhou, M. S. Molokeev, Q. L. Liu, Q. Y. Zhang, Z. G. Xia, Adv. Funct. Mater. 2019, 29, 1901988.
1. None

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Hybrid Metal Halides with Multiple Photoluminescence Centers

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