A new excited state intramolecular proton transfer chromophore of naphthalimide (NI) conjugated 2-(2-hydroxyphenyl) benzothiazole (HBT) was prepared which shows red shifted absorption and long-lived triplet excited states.
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New excited state intramolecular proton transfer (ESIPT) dyes based on naphthalimide and observation of long-lived triplet excited states
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a
State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
E-mail: zhaojzh@dlut.edu.cn
E-mail: zhaojzh@dlut.edu.cn
b
College of Chemistry and Chemical Engineering, Qiqihaer University, Qiqihaer 161006, P. R. China
Chem. Commun., 2012,48, 9720-9722
DOI: 10.1039/C2CC35210A
Received 19 Jul 2012, Accepted 09 Aug 2012
First published online 10 Aug 2012
Chemical Communications
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