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    The grafting of Rhodamine B onto sol-gel derived mesoporous silicas
    (Elsevier Sci Ltd, 2003) Seçkin, T; Gültek, A; Kartaca, S
    Amorphous meseporous silica, silica foams and silica nanotubes have been prepared by the controlled hydrolysis of tetraethoxysilane in various environments. A self-similar structure was obtained in all cases. Rhodamine B was post grafted onto the meseporous silica foam which has been modified with gamma-glycidyloxypropyl trimethoxysilane. The grafting and post grafting efficiency of gamma-glycidyloxypropyl trimethoxysilane as well as the post grafting efficiency of Rhodamine B on meseporous silica foam were studied, respectively. Basic physicochemical properties of the modified particles are given. When the hybrid pigments were exposed to UV radiation pulses, the emission of the hybrid pigments was increased. (C) 2002 Elsevier Science Ltd. All rights reserved.