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Open AccessArticle

Design and Synthesis of TiO2 Hollow Spheres with Spatially Separated Dual Cocatalysts for Efficient Photocatalytic Hydrogen Production

1
Department of Environmental Science and Engineering, Fuzhou University, Minhou 350108, China
2
State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou 350002, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Hongqi Sun and Zhaohui Wang
Nanomaterials 2017, 7(2), 24; https://doi.org/10.3390/nano7020024
Received: 8 November 2016 / Revised: 12 January 2017 / Accepted: 17 January 2017 / Published: 25 January 2017
(This article belongs to the Special Issue Nanoscale in Photocatalysis)
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. View Full-Text
Keywords: TiO2 hollow spheres; dual cocatalysts; spatial separation; hydrogen production TiO2 hollow spheres; dual cocatalysts; spatial separation; hydrogen production
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Jiang, Q.; Li, L.; Bi, J.; Liang, S.; Liu, M. Design and Synthesis of TiO2 Hollow Spheres with Spatially Separated Dual Cocatalysts for Efficient Photocatalytic Hydrogen Production. Nanomaterials 2017, 7, 24.

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