A high-performance self-powered photodetector based on a concentric annular α-FAPbI<sub>3</sub>/MAPbI<sub>3</sub>single crystal lateral heterojunction with broadband detectivity
Hu Zhang, Zhiliang Chen, Yanhui Li, Jianfeng Yao, Duanwangde Liu, Wei Zeng, Pengbin Gui, Zhixiang Huang
Abstract
α-FAPbI 3 /MAPbI 3 single crystal concentric annular lateral heterojunction is successfully fabricated by rheotaxy. The device exhibits high performance and wide spectrum response as well as self-driven ability, showing its broad application prospect.
Topics & Concepts
Materials scienceHeterojunctionConcentricBroadbandPhotodetectorOptoelectronicsCrystal (programming language)Single crystalNanotechnologyOpticsCrystallographyComputer scienceMathematicsChemistryPhysicsGeometryProgramming languagePerovskite Materials and Applications2D Materials and ApplicationsSemiconductor Quantum Structures and Devices