Ultrafast formation of interlayer hot excitons in atomically thin MoS2/WS2 heterostructures

Hailong Chen; Xiewen Wen; Jing Zhang; Tianmin Wu; Yongji Gong; Xiang Zhang; Jiangtan Yuan; Chongyue Yi; Jun Lou; Pulickel M. Ajayan; Wei Zhuang; Guangyu Zhang; Junrong Zheng

doi:10.1038/ncomms12512

Nature Communications (Aug 2016)

Ultrafast formation of interlayer hot excitons in atomically thin MoS2/WS2 heterostructures

Hailong Chen,
Xiewen Wen,
Jing Zhang,
Tianmin Wu,
Yongji Gong,
Xiang Zhang,
Jiangtan Yuan,
Chongyue Yi,
Jun Lou,
Pulickel M. Ajayan,
Wei Zhuang,
Guangyu Zhang,
Junrong Zheng

Affiliations

Hailong Chen: College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University
Xiewen Wen: College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University
Jing Zhang: Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences
Tianmin Wu: Department of Chemical Physics, University of Science and Technology of China
Yongji Gong: Department of Chemistry, Rice University
Xiang Zhang: Department of Chemistry, Rice University
Jiangtan Yuan: Department of Materials Science and NanoEngineering, Rice University
Chongyue Yi: Department of Chemistry, Rice University
Jun Lou: Department of Materials Science and NanoEngineering, Rice University
Pulickel M. Ajayan: Department of Materials Science and NanoEngineering, Rice University
Wei Zhuang: State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences
Guangyu Zhang: Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences
Junrong Zheng: College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University

DOI: https://doi.org/10.1038/ncomms12512
Journal volume & issue: Vol. 7, no. 1
pp. 1 – 8

Abstract

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Van der Waals heterostructures, fabricated via vertical stacking of two-dimensional materials, hold promise for opto-electronic applications. Here, the authors study the exciton-assisted charge transfer mechanisms occurring in a WS2/MoS2heterojunction via ultrafast microspectroscopy.

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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