Self-powered NIR detection
Thermal regulation produces PEA2FA4Pb5I16 with suppressed n=2 phase and thicker absorption layer, enabling self-powered NIR detection.
Lifang, Wu · Qianwen, Cao · Li, Hongyu · Xiaojie, Liu · Wanbo, Li · Wu, Tianhao · Zou, Xingli · Cheng, Jiang · Li, Lu · Zhang, Chengxi · Nemygina, Elizaveta · Tarasov, Alexey · Dong, Hongliang · Donaev, S. B. · Akimoto, Katsuhiro · Wang, Shenghao
Advanced Functional Materials 2025
On/off ratio up to 2 × 10⁵
Responsivity of 0.325 A W⁻¹ at 800nm
High-resolution imaging under 0.1 μW cm⁻² weak NIR illumination