Effects of C 4 H 9 NH 3 Br additive on properties of CH 3 NH 3 PbBr 3  perovskite thin films | Zendy

Yang Yanchun | Zendy; Yu Sheng | Zendy; Cao Yongjun | Zendy; Li Wei | Zendy

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Effects of C 4 H 9 NH 3 Br additive on properties of CH 3 NH 3 PbBr 3 perovskite thin films

Author(s) -

Yang Yanchun,

Yu Sheng,

Cao Yongjun,

Li Wei

Publication year - 2020

Publication title -

micro and nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.25

H-Index - 31

ISSN - 1750-0443

DOI - 10.1049/mnl.2019.0777

Subject(s) - perovskite (structure) , chemistry , crystallography , materials science , inorganic chemistry , analytical chemistry (journal) , chromatography

Short‐chain C 4 H 9 NH 3 Br compound can be used as the surface capping to synthesise CH 3 NH 3 PbBr 3 perovskite nanocrystal. In this work, employed as the surface ligand of CH 3 NH 3 PbBr 3 perovskite thin films, the influence of C 4 H 9 NH 3 Br additive on the morphology and optical properties of CH 3 NH 3 PbBr 3 thin films were studied systematically. As the doping ratio of C 4 H 9 NH 3 Br compound increases, the growth of CH 3 NH 3 PbBr 3 crystal grain can be controlled, and optical properties of CH 3 NH 3 PbBr 3 thin films can be improved. The best quality can be obtained with 20% of C 4 H 9 NH 3 Br. Finally, the optimal sintering conditions of CH 3 NH 3 PbBr 3 perovskite thin films are determined at 80°C, 4 min.

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