Stabilized Wide Bandgap MAPbBr  x  I 3– x   Perovskite by Enhanced Grain Size and Improved Crystallinity | Zendy

Hu Miao | Zendy; Bi Cheng | Zendy; Yuan Yongbo | Zendy; Bai Yang | Zendy; Huang Jinsong | Zendy

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Stabilized Wide Bandgap MAPbBr x I 3– x Perovskite by Enhanced Grain Size and Improved Crystallinity

Author(s) -

Hu Miao,

Bi Cheng,

Yuan Yongbo,

Bai Yang,

Huang Jinsong

Publication year - 2016

Publication title -

advanced science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.388

H-Index - 100

ISSN - 2198-3844

DOI - 10.1002/advs.201500301

Subject(s) - tandem , band gap , perovskite (structure) , materials science , crystallinity , trihalide , energy conversion efficiency , optoelectronics , mesoporous material , solar cell , grain size , nanotechnology , halide , crystallography , chemistry , composite material , inorganic chemistry , biochemistry , catalysis

The light instability of CH 3 NH 3 PbI x Br 3– x is one of the biggest challenges for its application in tandem solar cells. Here we show that an improved crystallinity and grain size of CH 3 NH 3 PbI x Br 3– x films could stabilize these materials under one sun illumination, improving both the efficiency and stability of the wide‐bandgap perovskite solar cells.

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