Near-infrared polarization-sensitive photodetection<i>via</i>interfacial symmetry engineering of an Si/MAPbI<sub>3</sub>heterostructural single crystal
Jianbo Wu, Xinyuan Zhang, Ziyang Wang, Lishan Liang, Xinyi Niu, Qianwen Guan, Shihai You, Junhua Luo
Abstract
By utilizing the polar symmetry induced by the directional built-in electric field at the MAPbI 3 SC/Si heterostructure interface, large polarization ratios of 3.3 at 785 nm and 2.8 at 940 nm are achieved under the self-driven mode.
Topics & Concepts
PhotodetectionInfraredMaterials sciencePolarization (electrochemistry)OptoelectronicsCrystal (programming language)NanotechnologyCrystallographyChemistryOpticsPhysicsPhotodetectorPhysical chemistryProgramming languageComputer sciencePerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyAdvanced Semiconductor Detectors and Materials