Boosting quantum yields in two-dimensional semiconductors via proximal metal plates

Yongjun Lee; Johnathas D’arf Severo Forte; Andrey Chaves; Anshuman Kumar; Trang Thu Tran; Youngbum Kim; Shrawan Roy; Takashi Taniguchi; Kenji Watanabe; Alexey Chernikov; Joon I. Jang; Tony Low; Jeongyong Kim

doi:10.1038/s41467-021-27418-x

Nature Communications (Dec 2021)

Boosting quantum yields in two-dimensional semiconductors via proximal metal plates

Yongjun Lee,
Johnathas D’arf Severo Forte,
Andrey Chaves,
Anshuman Kumar,
Trang Thu Tran,
Youngbum Kim,
Shrawan Roy,
Takashi Taniguchi,
Kenji Watanabe,
Alexey Chernikov,
Joon I. Jang,
Tony Low,
Jeongyong Kim

Affiliations

Yongjun Lee: Department of Energy Science, Sungkyunkwan University
Johnathas D’arf Severo Forte: Departamento de Física, Universidade Federal do Ceará, Campus do Pici
Andrey Chaves: Departamento de Física, Universidade Federal do Ceará, Campus do Pici
Anshuman Kumar: Physics Department, Indian Institute of Technology Bombay
Trang Thu Tran: Department of Energy Science, Sungkyunkwan University
Youngbum Kim: Department of Energy Science, Sungkyunkwan University
Shrawan Roy: Department of Energy Science, Sungkyunkwan University
Takashi Taniguchi: International Center for Materials Nanoarchitectonics, National Institute for Materials Science
Kenji Watanabe: Research Center for Functional Materials, National Institute for Materials Science
Alexey Chernikov: Dresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Würzburg-Dresden Cluster of Excellence ct.qmat, Technische Universität Dresden
Joon I. Jang: Department of Physics, Sogang University
Tony Low: Department of Electrical & Computer Engineering, University of Minnesota
Jeongyong Kim: Department of Energy Science, Sungkyunkwan University

DOI: https://doi.org/10.1038/s41467-021-27418-x
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 9

Abstract

Read online

The short exciton lifetime and strong exciton-exciton interaction in transition metal dichalcogenides limit the efficiency of exciton emission. Here, the authors show that exciton-exciton interaction in monolayer WS2 can be screened using proximal metal plates, leading to an improved quantum yield.

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/

About the journal