Ultrafast and highly sensitive infrared photodetectors based on two-dimensional oxyselenide crystals

Jianbo Yin; Zhenjun Tan; Hao Hong; Jinxiong Wu; Hongtao Yuan; Yujing Liu; Cheng Chen; Congwei Tan; Fengrui Yao; Tianran Li; Yulin Chen; Zhongfan Liu; Kaihui Liu; Hailin Peng

doi:10.1038/s41467-018-05874-2

Nature Communications (Aug 2018)

Ultrafast and highly sensitive infrared photodetectors based on two-dimensional oxyselenide crystals

Jianbo Yin,
Zhenjun Tan,
Hao Hong,
Jinxiong Wu,
Hongtao Yuan,
Yujing Liu,
Cheng Chen,
Congwei Tan,
Fengrui Yao,
Tianran Li,
Yulin Chen,
Zhongfan Liu,
Kaihui Liu,
Hailin Peng

Affiliations

Jianbo Yin: Center for Nanochemistry, Beijing Science and Engineering Centre for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Zhenjun Tan: Center for Nanochemistry, Beijing Science and Engineering Centre for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Hao Hong: State Key Laboratory for Mesoscopic Physics, School of Physics, Peking University
Jinxiong Wu: Center for Nanochemistry, Beijing Science and Engineering Centre for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Hongtao Yuan: National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University
Yujing Liu: Center for Nanochemistry, Beijing Science and Engineering Centre for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Cheng Chen: Clarendon Laboratory, Department of Physics, University of Oxford
Congwei Tan: Center for Nanochemistry, Beijing Science and Engineering Centre for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Fengrui Yao: State Key Laboratory for Mesoscopic Physics, School of Physics, Peking University
Tianran Li: Center for Nanochemistry, Beijing Science and Engineering Centre for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Yulin Chen: Clarendon Laboratory, Department of Physics, University of Oxford
Zhongfan Liu: Center for Nanochemistry, Beijing Science and Engineering Centre for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University
Kaihui Liu: Academy for Advanced Interdisciplinary Studies, Peking University
Hailin Peng: Center for Nanochemistry, Beijing Science and Engineering Centre for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University

DOI: https://doi.org/10.1038/s41467-018-05874-2
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 7

Abstract

Read online

Two-dimensional (2D) bismuth oxyselenide crystals with suitable electronic band-gap and ultrahigh carrier mobility enable near-infrared photodetection. Here, the authors report an infrared photodetector based on 2D-bismuth oxyselenide with high responsivity, ultrafast photoresponse of ~ 1 ps at room temperature and a detectable frequency limit of up to 500 GHz.

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