文献类型：期刊文献

英文题名：In situ surface hydrogenation synthesis of Ti3+ self-doped TiO2 with enhanced visible light photoactivity

作者：Huo, Junchao[1];Hu, Yanjie[1];Jiang, Hao[1];Li, Chunzhong[1]

机构：[1]E China Univ Sci & Technol, Sch Mat Sci & Engn, Key Lab Ultrafine Mat, Minist Educ, Shanghai 200237, Peoples R China

年份：2014

卷号：6

期号：15

起止页码：9078

外文期刊名：NANOSCALE

收录：;EI(收录号：20143017969703);WOS:【SCI-EXPANDED(收录号:WOS:000339861500087)】；

基金：This work was supported by the National Natural Science Foundation of China (20925621, 21236003), the Shanghai Rising-Star Program (13QA1401100), the Basic Research Program of Shanghai (11JC1403000), the Special Projects for Nanotechnology of Shanghai (11nm0500800), the Special Research Fund for the Doctoral Program of Higher Education of China (20110074110010, 20120074120004) and the Fundamental Research Funds for the Central Universities.

语种：英文

外文关键词：Hydrogenation - Light

摘要：A novel one-step, vapor-fed aerosol flame synthetic process (VAFS) has been developed to prepare Ti3+ self-doped titanium dioxide (TiO2). The freshly formed TiO2 was in situ surface hydrogenated during the condensation stage by introducing H-2 above the flame, and Ti3+ ions were created near the surface of TiO2. The relative content of Ti3+ ions near the surface of TiO2 is estimated to be 8%. Because of the high absorption of visible light and suppression of charge recombination, the photocurrent density and decomposition of MB under visible light irradiation were remarkably enhanced. This study demonstrates a simple, potential method to produce Ti3+ self-doped TiO2 with effective photoactivity in visible light.