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Direct Evidence of Photoinduced Charge Transfer from Alternating Copolymer to Buckminsterfullerene
Author(s) -
Yang Junlin,
Bai Fenglian,
Lin Hongzhen,
Zheng Min,
Zhang Yueping,
Li Yuliang,
Sun Jian,
Liu Yang,
Zhu Daoben
Publication year - 2001
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/1521-3935(20010601)202:9<1824::aid-macp1824>3.0.co;2-i
Subject(s) - photochemistry , copolymer , chemistry , triphenylamine , photoinduced electron transfer , intramolecular force , excimer , quenching (fluorescence) , polymer chemistry , charge transfer complex , fluorescence , electron transfer , organic chemistry , polymer , physics , quantum mechanics
Fluorescence quenching of the alternating copolymer (TPA‐PAV) obtained from triphenylamine dialdehyde and the 1,10‐anthrylene di‐ylide Wittig reagent has revealed exciplex formation by intramolecular charge transfer state of TPA‐PAV and C 60 in benzene solution. The formation of the exciplex may result in an irreversible photochemical reaction. The photoinduced charge transfer from TPA‐PAV to C 60 was investigated. Furthermore, ESR signals of the C 60 anion radical were observed.