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Self-powered CsPbBr3 photodetector with ultra-low dark current and high-temperature robustness enabled by asymmetric Au/Ti Schottky contacts

delete2026-06-15
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PRE
AI
S
Shuai Yang
J
Jialin Wang
H
Han Bao
W
Weili Liu
J
Jinshu Li
J
Jiao Xu *
H
Hongwei Liang
Y
Yiming Yang
DOI：10.1016/j.optmat.2026.118258delete
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Abstract

Abstract

En 中文
• The CVD-grown single-crystalline CsPbBr3 nanoplates exhibits excellent crystallinity with low trap density of 6.9 × 1012 cm-3. • A self-powered photodetector based on Ti/CsPbBr3/Au was realized, achieving an ultralow dark current (∼-0.25 pA) and a linear dynamic range of 137 dB. • The device remains stable up to 450 K, and the responsivity is further enhanced at elevated temperatures

Journal

Optical Materials cover
Optical Materials
IF:
4.2
Papers:
1.7W
Citations:
3.4W

Organization

B
Binzhou Institute of Technology
Scholars:
50
Papers: 30
Citations: 0
D
Dalian University of Technology
Scholars:
5.7W
Papers: 4.3W
Citations: 5.5W
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