• Rapid Communication in Photoscience
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• v.5 no.2
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• pp.21-26
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• 2016

Many kinds of fluorescent polypyridine compounds including bpy and dppz derivatives are described in understanding the recent current of fluorescent materials having photofuctionality. Those polypyridine compounds have the photofunctionality such as the fluorescence recognition and/or photo-switching. Furthermore, those compounds are applicated for the construction of long ranged photoinduced electron/energy transfer system. Various fluorescent ${\pi}-conjugation$ systems connected by amide or imine bond as well as the simple fluorescent bpy derivatives are introduced in this review paper.