Open AccessA bromide-induced highly oriented low-dimensional Ruddlesden–Popper phase for efficient and stable perovskite solar cells
Author(s) -
Jianfei Hu,
Jin Liu,
Haoran Chen,
Xueqin Ran,
Hui Zhang,
Ping Li,
Lin Song,
Peter MüllerBuschbaum,
Yingdong Xia,
Yonghua Chen
Publication year - 2021
Publication title -
journal of materials chemistry. a
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.637
H-Index - 212
eISSN - 2050-7488
pISSN - 2050-7496
DOI - 10.1039/d1ta03359j
Subject(s) - perovskite (structure) , halide , phase (matter) , materials science , crystallography , bromide , chemistry , mineralogy , inorganic chemistry , organic chemistry
A highly vertically oriented LDRP phase is achieved by introducing Br into BA lead halide perovskites, i.e. , (C 4 H 9 NH 3 ) 2 MA 4 Pb 5 Br x I 16−x . The I–Br–I based PSCs show improved PCE (15.75% vs. 12.15%) and stabilities compared to the device with the pristine I–I–I system.