Selectively enhanced photocurrent generation in twisted bilayer graphene with van Hove singularity

Jianbo Yin; Huan Wang; Han Peng; Zhenjun Tan; Lei Liao; Li Lin; Xiao Sun; Ai Leen Koh; Yulin Chen; Hailin Peng; Zhongfan Liu

doi:10.1038/ncomms10699

Nature Communications (Mar 2016)

Selectively enhanced photocurrent generation in twisted bilayer graphene with van Hove singularity

Jianbo Yin,
Huan Wang,
Han Peng,
Zhenjun Tan,
Lei Liao,
Li Lin,
Xiao Sun,
Ai Leen Koh,
Yulin Chen,
Hailin Peng,
Zhongfan Liu

Affiliations

Jianbo Yin: Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Huan Wang: Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Han Peng: Department of Physics, Clarendon Laboratory, University of Oxford
Zhenjun Tan: Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Lei Liao: Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Li Lin: Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Xiao Sun: Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Ai Leen Koh: Stanford Nano Shared Facilities, Stanford University
Yulin Chen: Department of Physics, Clarendon Laboratory, University of Oxford
Hailin Peng: Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Zhongfan Liu: Center for Nanochemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University

DOI: https://doi.org/10.1038/ncomms10699
Journal volume & issue: Vol. 7, no. 1
pp. 1 – 8

Abstract

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Graphene has the high carrier mobility and short photoresponse time required for efficient photodetection, but broad and weak optical absorption are severe drawbacks. Here, the authors show that twisted bilayer graphene with van Hove singularities exhibits a strong light-matter interaction and selectively enhanced photocurrent generation.

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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