期刊
CHEMISTRY OF MATERIALS
卷 22, 期 8, 页码 2548-2554出版社
AMER CHEMICAL SOC
DOI: 10.1021/cm9034787
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Mesostructured organosilica films with strong blue fluorescence emission were synthesized by surfactant-templated sol-gel polycondensation using a 1,3,6,8-tetraphenylpyrene (TPPy)-containing organosilane precursor. The TPPy precursor, which contained four polymerizable silyl groups, was suitable for the preparation of mesostructured films with high TPPy content in the framework. The fluorescence quantum yields of the TPPy-bridged mesostructured organosilica films reached more than 0.7, despite the dense accumulation of TPPy units within the framework. Doping of the mesostructured films with fluorescence dyes enabled fine-tuning of the emission colors over a wide range of the visible spectrum Such mesostructured organosilica films, in which different chromophores can be distributed into the framework and mesopores, have significant potential for luminescence applications
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