期刊
CERAMICS INTERNATIONAL
卷 42, 期 6, 页码 6749-6754出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2016.01.047
关键词
Water splitting; Hollow sphere; Pt/HS-TiO2
Pt doped TiO2 hollow spheres (Pt/HS-TiO2) are prepared by a sol-gel method and characterized by XRD, SEM, TEM and UV-visible absorption spectra. In addition, Pt/HS-TiO2 is employed as the catalyst for photocatalytic hydrogen production from water splitting under visible light irradiation. The results show that Pt/HS-TiO2 with hollow sphere structure presents excellent photocatalytic hydrogen evolution performance. The hydrogen generation rate can reach more than 1023.71 mu mol h(-1) g(-1) at room temperature and no obvious deactivation is observed after 30 h irradiation. Furthermore, the reactively of Pt/HS-TiO2 could be reproduced in the repeated cycle. Therefore, Pt/HS-TiO2 is a promising photocatalyst to efficiently generate hydrogen under visible-light irradiation at room temperature. (c) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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