Citation: Susana Tostón, Rafael Camarillo, Fabiola Martínez, Carlos Jiménez, Jesusa Rincón. Supercritical synthesis of platinum-modified titanium dioxide for solar fuel production from carbon dioxide[J]. Chinese Journal of Catalysis, ;2017, 38(4): 636-650. doi: 10.1016/S1872-2067(17)62766-9 shu

Supercritical synthesis of platinum-modified titanium dioxide for solar fuel production from carbon dioxide

University of Castilla-La Mancha, Department of Chemical Engineering, Faculty of Environmental Sciences and Biochemistry, Avda. Carlos Ⅲ, s/n, 45071 Toledo, Spain

Received Date: 21 November 2016
Revised Date: 21 December 2016

Fund Project: This work was supported by Spanish Government (Project CTM 2011-26564), Regional Government of Castilla-La Mancha (Project PEⅡ10-0310-5840), and Iberdrola Foundation (Research Grant in Energy and the Environment 2010/12 for Susana Tostón).

This paper investigates the properties of TiO₂-based photocatalysts synthesised under supercritical conditions. Specifically, the characteristics of Pt dispersed on TiO₂ catalysts obtained in supercritical CO₂ are discussed and compared with those of commercial TiO₂. The photocatalytic activity of the synthesised catalysts in the CO₂ photoreduction reaction to produce solar fuel is tested. The main conclusion of the study is that photocatalysts with better or similar features, including high surface area, crystallisation degree, hydroxyl surface concentration, pore volume, absorbance in the visible range and methane production rate, to those of commercial TiO₂ may be produced for the reduction of CO₂ to fuel by synthesis in supercritical media.
- Titanium dioxide,
- Platinum,
- Photocatalyst,
- Metal dispersion,
- Carbon dioxide photoreduction
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