New excited state intramolecular proton transfer (ESIPT) dyes based on naphthalimide and observation of long-lived triplet excited states.

Jie Ma, Jianzhang Zhao, Pei Yang, Dandan Huang, Caishun Zhang, Qiuting Li

Index: Chem. Commun. (Camb.) 48(78) , 9720-2, (2012)

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Abstract

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.