Citation: Hai Guang Zhang, Xu Tang Tao, Kao Shan Chen, Chun Xue Yuan, Shi Na Yan, Min Hua Jiang. Off-on-off luminescent switching of a dye containing imidazo [4, 5-f] [1, 10]phenanthroline[J]. Chinese Chemical Letters, ;2011, 22(6): 647-650. doi: 10.1016/j.cclet.2010.12.005 shu

Off-on-off luminescent switching of a dye containing imidazo [4, 5-f] [1, 10]phenanthroline

a College of Chemistry Science, Qufu Normal University, Qufu 273165, China;
b State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China;
c School of Life Science, Shandong University, Jinan 250100, China

Received Date: 10 September 2010

Fund Project: The authors greatly acknowledge the financial support of the State National Natural Science Foundation of China (No.50325311) and National 863 Project Foundation of China (No.2007AA10Z334)

A new acid-base fluorescent switch containing both imidazo [4,5-f] [1,10]-phenanthroline and triphenylamine groups has been synthesized.Its fluorescence emissions and absorptions can be reversibly changed through protonation/deprotonation of imidazole and amine moiety by controlling the intramolecular charge transfer(ICT)process, leading to off-on-off fluorescent molecular switching.
- Fluorescence switch,
- Imidazo [4,5-f] [1,10]phenanthroline,
- Triphenylamine,
- Intramolecular charge transfer(ICT)
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