A stable self-powered ultraviolet photodetector using CH<sub>3</sub>NH<sub>3</sub>PbCl<sub>3</sub> with weak-light detection capacity under working conditions
Zhirong Liu, Zhiyong Liu, Qiang Sun, Tao Zhang, Haixuan Yu, Xuning Zhang, Letian Dai, Guanglan Liao, Yan Shen, Xiaoli Zhang, Jun Zhu, Mingkui Wang
Abstract
An UV photodetector with a vertical-structure architecture shows a fast response time of 7.76 μs and a high on/off ratio of over 5 × 10 3 , as well as a weak-light detecting ability with a specific detectivity of 7.08 × 10 11 Jones.
Topics & Concepts
PhotodetectorUltravioletMaterials scienceOptoelectronicsOpticsPhysicsPerovskite Materials and Applications2D Materials and ApplicationsGas Sensing Nanomaterials and Sensors