title: Enhanced Optoelectronic Performance on the (110) Lattice Plane of an MAPbBr3Single Crystal.
abstract: Hybrid organic-inorganic lead halide perovskites have attracted significant attention due to their impressive optoelectronic properties. MAPbX3(MA= CH3NH3+, X= Cl, Br or I), the most popular member of this family, has been recognized as an important next-generation optoelectronic materials contender, and remarkable progress has been achieved in both thin films and single crystals. However, the lack of optimizations in energy harvest, transportation, carrier extraction, and process compatibility is hindering their future development. In this study, a triangle prism MAPbBr3single crystal exposing (100) and (110) crystallographic planes was successfully synthesized, and the optoelectronic performances of these two lattice planes were systematically explored by employing a planar metal-semiconductor-metal (MSM) device. Compared to the device fabricated on the (100) plane, a 153.33% enhancement of responsivity was achieved under 10 μW irradiation and 10 V bias on the (110) plane. Finally, possible mechanism for such an enhancement was discussed based on the different defect migration behaviors of (100) and (110) planes.
authors.affiliation: Advanced Research Center for Optics, Shandong University , Jinan 250100, China.|State Key Laboratory of Crystal Materials, Shandong University , Jinan 250100, China.
authors.forename: Zhiyuan
authors.identifier: http://orcid.org/0000-0002-3261-9217
authors.initials: Z
authors.lastname: Zuo
authors.affiliation: State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology , Qingdao 266590, China.|College of Materials Science and Engineering, Shandong University of Science and Technology , Qingdao 266590, China.
authors.forename: Jianxu
authors.initials: J
authors.lastname: Ding
authors.affiliation: College of Materials Science and Engineering, Shandong University of Science and Technology , Qingdao 266590, China.
authors.forename: Ying
authors.initials: Y
authors.lastname: Zhao
authors.affiliation: College of Materials Science and Engineering, Shandong University of Science and Technology , Qingdao 266590, China.
authors.forename: Songjie
authors.initials: S
authors.lastname: Du
authors.affiliation: Advanced Research Center for Optics, Shandong University , Jinan 250100, China.
authors.forename: Yongfu
authors.initials: Y
authors.lastname: Li
authors.affiliation: College of Materials Science and Engineering, Shandong University of Science and Technology , Qingdao 266590, China.
authors.forename: Xiaoyuan
authors.initials: X
authors.lastname: Zhan
authors.affiliation: College of Materials Science and Engineering, Shandong University of Science and Technology , Qingdao 266590, China.
authors.forename: Hongzhi
authors.initials: H
authors.lastname: Cui