Charge carrier localised in zero-dimensional (CH₃NH₃)₃Bi₂I₉ clusters.

ABSTRACT: A metal-organic hybrid perovskite (CH₃NH₃PbI₃) with three-dimensional framework of metal-halide octahedra has been reported as a low-cost, solution-processable absorber for a thin-film solar cell with a power-conversion efficiency over 20%. Low-dimensional layered perovskites with metal halide slabs separated by the insulating organic layers are reported to show higher stability, but the efficiencies of the solar cells are limited by the confinement of excitons. In order to explore the confinement and transport of excitons in zero-dimensional metal-organic hybrid materials, a highly orientated film of (CH₃NH₃)₃Bi₂I₉ with nanometre-sized core clusters of Bi₂I₉^3- surrounde

SUBMITTER: Ni C 

PROVIDER: S-EPMC5537240 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature