Photochromism of a Methyl Viologen Bismuth(III) Chloride: Structural Variation Before and After UV Irradiation | Zendy

Xu Gang | Zendy; Guo GuoCong | Zendy; Wang MingSheng | Zendy; Zhang ZhangJing | Zendy; Chen WenTong | Zendy; Huang  JinShun | Zendy

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Photochromism of a Methyl Viologen Bismuth(III) Chloride: Structural Variation Before and After UV Irradiation

Author(s) -

Xu Gang,

Guo GuoCong,

Wang MingSheng,

Zhang ZhangJing,

Chen WenTong,

Huang JinShun

Publication year - 2007

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200700122

Subject(s) - photochromism , viologen , photochemistry , irradiation , bismuth , chemistry , octahedron , chloride , crystallography , crystal structure , organic chemistry , physics , nuclear physics

Color scheme : Reversibly photochromic crystals of (MV)Bi 2 Cl 8 (methyl viologen, MV 2+ : N , N ′‐dimethyl‐4,4′‐bipyridinium) show structural variations before and after UV irradiation. Color reversion is accomplished by heating in air (see picture). ([Bi 2 Cl 8 ] 2− ) ∞ double‐octahedral chains serve as electron donors to in situ generated MV 2+ dications.

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