Ultrafast, self-powered and charge-transport-layer-free photodetectors based on high-quality evaporated CsPbBr<sub>3</sub> perovskites for applications in optical communication
Xingyue Liu, Zhiyong Liu, Junjie Li, Xianhua Tan, Bo Sun, Han Fang, Shuang Xi, Tielin Shi, Zirong Tang, Guanglan Liao
Abstract
Ultrafast and self-powered photodetectors based on high-quality evaporated CsPbBr<sub>3</sub> perovskites for applications in optical communication are demonstrated. The photodetectors achieve an ultrafast response time of 3.8 μs and on/off ratio of 3.5 × 10<sup>4</sup>.
Topics & Concepts
PhotodetectorMaterials scienceUltrashort pulseOptoelectronicsPerovskite (structure)Layer (electronics)Quality (philosophy)PhotonicsOpticsLaserNanotechnologyPhysicsEngineeringChemical engineeringQuantum mechanicsPerovskite Materials and Applications2D Materials and ApplicationsSolid-state spectroscopy and crystallography