Gradient bandgap engineering for performance enhancement in PbSe photodetectors

作者：Ling Lin, Jinian Hao, Ruisi Gao, Liang Li, Xinyue Wang, Shenglin Jiang, Guangzu Zhang, Kanghua Li · 发表于：Nanoscale · 年份：2025 · DOI：10.1039/d5nr02942b · 被引用次数：4 · 研究领域：Advanced Semiconductor Detectors and Materials、Chalcogenide Semiconductor Thin Films、Nanowire Synthesis and Applications

, and ultrafast response times of 11.8 μs (rise) and 18.3 μs (fall), with excellent thermal stability up to 90 °C. This work offers a promising pathway for the development of high-performance, low-cost, and room-temperature-operable SWIR photodetectors.