Solvent engineering for Cs3Cu2I5 based light-emitting diodes

Xuegong Jiang; Junjie Si; Zugang Liu; Qianmin Dong; Ying Tang; Sergei I. Pavlov; Pavel N. Brunkov

doi:10.1117/12.2585473

8 December 2020 Solvent engineering for Cs₃Cu₂I₅ based light-emitting diodes

Xuegong Jiang, Junjie Si, Zugang Liu, Qianmin Dong, Ying Tang, Sergei I. Pavlov, Pavel N. Brunkov

Proceedings Volume 11606, ICOSM 2020: Optoelectronic Science and Materials; 116061A (2020) https://doi.org/10.1117/12.2585473
Event: Second International Conference on Optoelectronic Science and Materials (ICOSM 2020), 2020, Hefei, China

Abstract

All-inorganic copper based metal halides have aroused wide attention as emissive materials due to their excellent optoelectronic properties, such as high photoluminescence quantum yield (PLQY) and good environmental stability. We report a facile low temperature solution process to obtain high quality Cs₃Cu₂I₅ film by using chlorobenzene (CB) as antisolvent. The light-emitting diodes based on the high quality Cs3Cu2I5 films as emissive layers achieved a luminance of 74 cd/m² and an external quantum efficiency (EQE) of 0.013%.

Citation Download Citation

Xuegong Jiang, Junjie Si, Zugang Liu, Qianmin Dong, Ying Tang, Sergei I. Pavlov, and Pavel N. Brunkov "Solvent engineering for Cs₃Cu₂I₅ based light-emitting diodes", Proc. SPIE 11606, ICOSM 2020: Optoelectronic Science and Materials, 116061A (8 December 2020); https://doi.org/10.1117/12.2585473

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