2D Black Phosphorus/SrTiO3-Based Programmable Photoconductive Switch

2D Black Phosphorus/SrTiO3-Based Programmable Photoconductive Switch

A novel heterostructure is designed by stacking 2D black phosphorus (BP) on a SrTiO3 substrate. The device demonstrates programmable photoconductive switching under illumination of UV and red light. The light-tunable persistent photoconductivity exhibits a large on/off ratio exceeding 105. The persi...

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Bibliographic Details
Main Authors: Liu, Fucai, Zhu, Chao, You, Lu, Liang, Shi-Jun, Zheng, Shoujun, Zhou, Jiadong, Fu, Qundong, He, Yongmin, Zeng, Qingsheng, Fan, Hong Jin, Ang, Lay Kee, Wang, Junling, Liu, Zheng
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2017
Subjects:
2D materials
Black phosphorus
Online Access:https://hdl.handle.net/10356/84716
http://hdl.handle.net/10220/41972
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Institution: Nanyang Technological University
Language: English
Description
Summary:A novel heterostructure is designed by stacking 2D black phosphorus (BP) on a SrTiO3 substrate. The device demonstrates programmable photoconductive switching under illumination of UV and red light. The light-tunable persistent photoconductivity exhibits a large on/off ratio exceeding 105. The persistent state shows almost no relaxation or decay at low temperature. These features are suitable for a new generation of optoelectronic devices for memory application.

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