Ultrafast Absorption Changes Both in the Visible and Near- Infrared Regions Due to Photoinduced Electron Transfer Reactions of Dicyanovinylstyrylpyridinium Tetraphenylborate
作者:
Hideki Kawai,
Toshihiko Nagamura,
期刊:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
(Taylor Available online 2000)
卷期:
Volume 345,
issue 1
页码: 209-214
ISSN:1058-725X
年代: 2000
DOI:10.1080/10587250008023920
出版商: Taylor & Francis Group
关键词: photoinduced electron transfer;dimer radical cation;charge resonance band;femtosecond laser flash photolysis
数据来源: Taylor
摘要:
Ultrafast dynamics of photoinduced electron transfer reaction and dimer radical cation formation of ion pair charge transfer complexes between dicyanovinylstyrylpyridinium cation and tetraphenylborate anion were studied at room temperature in less polar solvents by femtosecond laser flash photolysis. Transient absorptions were observed both in the visible and near-infrared regions. They showed very rapid rise in less than one picosecond, which was limited by the time resolution of our flash photolysis system.
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