Synthesis and evaluation of solid-emissive fluorescent dyes useful for energy conversion

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To develop new fluorescent dyes useful for energy conversion, novel polyheterocyclic solid-emissive fluorescent dyes have been designed and synthesized. Their potophysical properties in solution and in the solid state were measured, and the relation between the solid-fluorescence and X-ray crystal structure was investigated. Moreover, the photostability of the dye-doped films have been prepared and investigated. The dye-doped polymer films showed excellent wavelength conversion ability and exhibited good photostability.