A self-driven and high-performance photodetector based on a GeSe/Si van der Waals heterojunction with high-speed photoresponse

Nanoscale Horizons 2026

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Authors: Xiaoxiang Wu, Yu Wang, Yi Zhang, Ziwen Chen, Xinyu Zhang, Wei Xu, Peng Li, Mengge Li, Min Li, Cong Xiao, Zhanjie Qiu, Tianjian Ou
+4 more Zhengyang Zhanyi, Zhongliang Wang, Songlin Zhou, Yewu Wang
DOI: 10.1039/d6nh00050a
Cited by: 1
References: 58

Abstract

We report a self-driven, broadband GeSe/Si heterojunction photodetector. It achieves a high responsivity of 29.8 A W −1 and fast rise/decay times of 8.5/23.7 µs. This work highlights GeSe-based vdW heterostructures for next-generation optoelectronics.

Fields of Study & Subjects

2D Materials and Applications Graphene research and applications Nanowire Synthesis and Applications

Publication details

Journal / source
Nanoscale Horizons
Publisher
Royal Society of Chemistry (RSC)
Volume
11
Issue
5
Pages
1435–1442
Publication date
1 January 2026
Language
EN