Deciphering exciton-generation processes in quantum-dot electroluminescence

Yunzhou Deng; Xing Lin; Wei Fang; Dawei Di; Linjun Wang; Richard H. Friend; Xiaogang Peng; Yizheng Jin

doi:10.1038/s41467-020-15944-z

Nature Communications (May 2020)

Deciphering exciton-generation processes in quantum-dot electroluminescence

Yunzhou Deng,
Xing Lin,
Wei Fang,
Dawei Di,
Linjun Wang,
Richard H. Friend,
Xiaogang Peng,
Yizheng Jin

Affiliations

Yunzhou Deng: Center for Chemistry of High-Performance & Novel Materials, State Key Laboratory of Silicon Materials, Department of Chemistry, Zhejiang University
Xing Lin: Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University
Wei Fang: State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University
Dawei Di: State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University
Linjun Wang: Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University
Richard H. Friend: Cavendish Laboratory, Department of Physics, University of Cambridge
Xiaogang Peng: Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University
Yizheng Jin: Center for Chemistry of High-Performance & Novel Materials, State Key Laboratory of Silicon Materials, Department of Chemistry, Zhejiang University

DOI: https://doi.org/10.1038/s41467-020-15944-z
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 8

Abstract

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Today it remains unclear how excitons are electrically generated in individual nanocrystals. Here, the authors propose the identification of the longlived intermediate QD– state for exciton generation of CdSe-based QD-LEDs by a room temperature electrically-pumped single-molecule spectroscopy.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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