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Two similar triphenylamino-substituted chromophores with and without hydroxyl end, named TIOH and TI, respectively, were synthesized and incorporated into hybrid organic–inorganic materials derived from 3-glydoxypropyltrimethoxysilane (GPTMS), tetraethoxysilane (TEOS) and 3-aminopropyltriethoxysilane (APTES). These stilbene-type chromophores were characterized by elemental analysis, 1 H NMR,...
In order to obtain an efficient hybrid inorganic–organic nonlinear optical (NLO) materials, an azo-dye containing three electronic donor groups 2,5-dimethyl-4-(4′-nitrophenylazo)phenol (DMNPAP) was synthesized and reacted with 3-isocyanatopropyl triethoxysilane (ICTES) to give an alkoxysilane dye (ICTES–DMNPAP). Molecular structural characterizations for DMNPAP and ICTES–DMNPAP were investigated by...
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