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Self-powered CsPbBr3 photodetector with ultra-low dark current and high-temperature robustness enabled by asymmetric Au/Ti Schottky contacts
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DOI：10.1016/j.optmat.2026.118258.png)
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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
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