Unipolar Barrier Photodetectors Based on Van Der Waals Heterostructure with Ultra‐High Light On/Off Ratio and Fast Speed

Unipolar Barrier Photodetectors Based on Van Der Waals Heterostructure with Ultra‐High Light On/Off Ratio and Fast Speed

Abstract Unipolar barrier architecture is designed to enhance the photodetector's sensitivity by inducing highly asymmetrical barriers, a higher barrier for blocking majority carriers to depressing dark current, and a low minority carrier barrier without impeding the photocurrent flow through t...

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Bibliographic Details
Main Authors: Suofu Wang, Xiuxiu Wang, Wenhui Wang, Tao Han, Feng Li, Lei Shan, Mingsheng Long
Format: Article
Language:English
Published: Wiley 2025-02-01
Series:Advanced Science
Subjects:
heterostructure
long‐wave infrared
nBn
photodetector
ptse2
Online Access:https://doi.org/10.1002/advs.202413844
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