福建师范大学学报(自然科学版)2012,Vol.28Issue(1):82-86,5.
α-Fe2O3/SA复合薄膜光催化降解亚甲基蓝的条件及机理研究
Study on Conditions and Mechanism of Photocatalytic Degradation of Methylene Blue with α-Fe2O3/SA Film
摘要
Abstract
The detail quantitive examination was carried out to investigate the photo-catalytic degradation effect of methylene blue in violet irradiation with a-Fe2O3 catalysts. The experiment results demonstrated that photocatalysis lead to a charge transfer with the concomitant quenching of the transitional state for methylene blue and the formation of the excited state for methylene blue, then on thermodynamic grounds, charge transferred from methylene blue in the excited state to the conduction band of o-Fe2O3 and TiO2. The degradation of methelene blue with a novel multiple-semiconductor o-Fe2O3-TiO2/SA was photo-electro-catalytic-oxidative mechanism.关键词
α-Fe2O3/SA/薄膜/光催化/亚甲基蓝/降解机理Key words
a-Fe2O3/SA/ film/ photocatalysis/ methylene blue/ degradation mechanism分类
化学化工引用本文复制引用
陈力勤,谢茹胜..α-Fe2O3/SA复合薄膜光催化降解亚甲基蓝的条件及机理研究[J].福建师范大学学报(自然科学版),2012,28(1):82-86,5.基金项目
福建省科技厅重点项目(02H034) (02H034)