Self-powered, low-dark-current, high-detectivity CsPbBr<sub>3</sub> nanowire photodetectors with excellent weak-light detection ability
Boao Xiao, Shuiguo Wen, Jianqiang Zhang, Zheng Gao, Yapeng Tang, Dingjun Wu, Jiang Zhao, Hai Zhou
Abstract
1-octyl-3-methylimidazolium hydrogen sulfate (OMIMHSO 4 ) is introduced into CsPbBr 3 nanowires for defect passivation, resulting in the corresponding nanowire photodetector with a minimum response light intensity as low as 1.14 × 10 −10 W cm −2 .
Topics & Concepts
PhotodetectorMaterials scienceDark currentOptoelectronicsNanowireCurrent (fluid)Electrical engineeringEngineeringPerovskite Materials and ApplicationsLuminescence Properties of Advanced MaterialsPhotonic and Optical Devices