Sol-Gel Synthesis of Dye–Inorganic Hybrid Materials Comprising Silica, Titania and Thiazole Dyes

International Journal of Applied Chemistry

© 2020 by SSRG - IJAC Journal

Volume 7 Issue 1

Year of Publication : 2020

Authors : Ming-Shien Yen

10.14445/23939133/IJAC-V7I1P106

How to Cite?

Ming-Shien Yen, "Sol-Gel Synthesis of Dye–Inorganic Hybrid Materials Comprising Silica, Titania and Thiazole Dyes," SSRG International Journal of Applied Chemistry, vol. 7,  no. 1, pp. 25-30, 2020. Crossref, https://doi.org/10.14445/23939133/IJAC-V7I1P106

Abstract:

A series of novel hybrid materials were prepared via the sol-gel process from methyltrimethoxysilane (MTMS) and titanium-n-butoxide (TNB) with heterocyclic thiazole dyes. Heteroaryl 2-aminothiazoles were synthesized on the basis of previous literature, as coupling components that 2-aminothiazoles undergo a coupling reaction with diazonium components p-methoxyaniline in an ice bath to yield heteroaryl thiazole dyes. Sinica/titania/thiazole dye hybrid materials were synthesized via the sol-gel process with a precursor system. Heteroaryl thiazole dyes were also obtained via the hydrolysis-condensation reaction at a constant ratio of vinyltriethoxysilane (VTES), MTMS, and TNB in the presence of a catalyst. The structures of the hybrid materials were characterized using Fourier transform infrared (FTIR) spectroscopy, 29Si-nuclear magnetic resonance (NMR), energy-dispersive X-ray spectroscopy (EDS), and ultraviolet (UV) analysis. According to the experimental results of FTIR, NMR, EDS, and ultraviolet spectra analysis, the MTMS and TNB in the hybrid material could bond thiazole dyes to form the Si–O–Si or Ti–O–Si network structures with a thiazole moiety.

Keywords:

titania, silica, thiazole dyes, hybrid materials

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