Imaging ultra-weak UV light below 100 pW cm−2 using a 4H–SiC photodetector with an Al2O3 interfacial layer

Author:

Pei Xinyang1,Wang Wenyan1ORCID,Hu Kun2,Xi Yuying2,Ji Ting1,Li Guohui2,Cui Yanxia23

Affiliation:

1. College of Physics, Taiyuan University of Technology, Taiyuan 030024, China

2. College of Electronic Information and Optical Engineering, Taiyuan University of Technology, Taiyuan 030024, China

3. Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, China

Abstract

Our proposed photodetector sets a new benchmark in weak-light detection with a threshold of 31.8 pW cm−2.

Funder

Natural Science Foundation of Shanxi Province

National Natural Science Foundation of China

Shanxi Provincial Key Research and Development Project

Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering

Publisher

Royal Society of Chemistry (RSC)

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