Photocatalytic activity of doped NaTaO3 and NaNbO3:: (Y, La, Nd, Sm) sol gel on degradation of rhodarnine B by UV irradiation

被引：8

作者：

Torres-Martinez, Leticia M. ^{[1
]}

Garza-Tovar, Lorena L. ^{[1
]}

Meza-de la Rosa, M. Elena ^{[1
]}

Martinez-de la Cruz, A. ^{[1
]}

Cruz-Lopez, Arquimedes ^{[1
]}

机构：

[1] Univ Autonom Nuevo Leon, Fac Civil Engn, Dept Ecomat Energy, Mexico City 66451, DF, Mexico

来源：

ECO-MATERIALS PROCESSING AND DESIGN VIII | 2007年 / 544-545卷

关键词：

photocatalysis; tantalates; sol-gel synthesis;

D O I：

10.4028/www.scientific.net/MSF.544-545.103

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The catalytic photo degradation of Rhodamine B with UV irradiation over NaMO3 (M= Ta and Nb) doped with Y2O3, La2O3, Nd2O3 and Sm2O3 has been studied in our laboratories. All catalysts were characterized by different techniques such as X-ray powder diffraction (XRD) and thermal analysis (DTA/TGA). Surface characterization of the solids was carried out from adsorption isotherms and infrared spectroscopy (FTIR). The band gap energy (Eg) of materials ranged from 4.1 to 2.9 eV. For comparative purpose the materials studied as catalysts were also synthesized by classical solid state reaction.

引用

页码：103 / +

页数：2

共 4 条

[1] Photocatalytic properties of Ba3Li2Ti8O20 sol-gel [J].