Design and Synthesis of TiO₂ Hollow Spheres with Spatially Separated Dual Cocatalysts for Efficient Photocatalytic Hydrogen Production.
TiO₂ hollow spheres modified with spatially separated Ag species and RuO₂ cocatalysts have been prepared via an alkoxide hydrolysis-precipitation method and a facile impregnation method. High-resolution transmission electron microscopy studies indicate that Ag species and RuO₂ co-located on the inner and outer surface of TiO₂ hollow spheres, respectively. The resultant catalysts show significantly enhanced activity in photocatalytic hydrogen production under simulated sunlight attributed to spatially separated Ag species and RuO₂ cocatalysts on TiO₂ hollow spheres, which results in the efficient separation and transportation of photogenerated charge carriers.
Department of Environmental Science and Engineering, Fuzhou University, Minhou 350108, China. jqq199207@163.com.
Qianqian
Q
Jiang
Department of Environmental Science and Engineering, Fuzhou University, Minhou 350108, China. lili@fjpsc.edu.cn.
Li
L
Li
Department of Environmental Science and Engineering, Fuzhou University, Minhou 350108, China. bijinhong@fzu.edu.cn.|State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou 350002, China. bijinhong@fzu.edu.cn.
Jinhong
J
Bi
Department of Environmental Science and Engineering, Fuzhou University, Minhou 350108, China. sjliang2012@fzu.edu.cn.|State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou 350002, China. sjliang2012@fzu.edu.cn.
Shijing
S
Liang
Department of Environmental Science and Engineering, Fuzhou University, Minhou 350108, China. mhliu2000@fzu.edu.cn.
Minghua
M
Liu
TiO2 hollow spheres; dual cocatalysts; hydrogen production; spatial separation