Artigo
Filmes de titânio-silício preparados por spin e dip-coating
Fecha
2003-10-01Registro en:
Química Nova. Sociedade Brasileira de Química, v. 26, n. 5, p. 674-677, 2003.
0100-4042
10.1590/S0100-40422003000500010
S0100-40422003000500010
S0100-40422003000500010.pdf
2998503841917815
6446047463034654
0000-0003-3286-9440
Autor
Universidade de Franca
Universidade Estadual Paulista (Unesp)
Resumen
The conditions for the preparation of luminescent materials, consisting of Eu3+ ions entrapped in a titanium matrix, in the forma of a thin film, using the sol-gel process, are described. The films were obtained from sols prepared with TEOS and TEOT, in the presence of acetylacetone as the hidrolysis-retarding agent, using the dip-coating and spin-coating techniques. The influence of these techniques on the films based on titanium and silicon are presented. The Eu3+ was used as a luminescent probe. The films have been characterized by luminescence, reflection and transmittance. The thickness of the films could be related to the preparation procedure. Transparent thin films have been prepared by dip-coating technique.