Ultralow-voltage operation of light-emitting diodes

Yaxiao Lian; Dongchen Lan; Shiyu Xing; Bingbing Guo; Zhixiang Ren; Runchen Lai; Chen Zou; Baodan Zhao; Richard H. Friend; Dawei Di

doi:10.1038/s41467-022-31478-y

Nature Communications (Jul 2022)

Ultralow-voltage operation of light-emitting diodes

Yaxiao Lian,
Dongchen Lan,
Shiyu Xing,
Bingbing Guo,
Zhixiang Ren,
Runchen Lai,
Chen Zou,
Baodan Zhao,
Richard H. Friend,
Dawei Di

Affiliations

Yaxiao Lian: State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering; International Research Center for Advanced Photonics, Zhejiang University
Dongchen Lan: College of Electrical Engineering, Zhejiang University
Shiyu Xing: State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering; International Research Center for Advanced Photonics, Zhejiang University
Bingbing Guo: State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering; International Research Center for Advanced Photonics, Zhejiang University
Zhixiang Ren: State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering; International Research Center for Advanced Photonics, Zhejiang University
Runchen Lai: State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering; International Research Center for Advanced Photonics, Zhejiang University
Chen Zou: State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering; International Research Center for Advanced Photonics, Zhejiang University
Baodan Zhao: State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering; International Research Center for Advanced Photonics, Zhejiang University
Richard H. Friend: Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue
Dawei Di: State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering; International Research Center for Advanced Photonics, Zhejiang University

DOI: https://doi.org/10.1038/s41467-022-31478-y
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 10

Abstract

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Light emission from 17 types of LEDs is observed at record-low voltages of 36–60% of the bandgaps, which cannot be explained by earlier theories. The electroluminescence-voltage curves reveal a unified mechanism for ultralow-voltage LED operation.

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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