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Citation: Fang Wang, Yong Zhou, Ping Li, Libang Kuai, Zhigang Zou. Synthesis of bionic-macro/microporous MgO-modified TiO₂for enhanced CO₂ photoreduction into hydrocarbon fuels[J]. Chinese Journal of Catalysis, ;2016, 37(6): 863-868. doi: 10.1016/S1872-2067(15)61111-1 shu

Synthesis of bionic-macro/microporous MgO-modified TiO₂for enhanced CO₂ photoreduction into hydrocarbon fuels

Fang Wang ^a,b, ,
Yong Zhou ^a,c,d ,
Ping Li ^c,d ,
Libang Kuai ^c,d ,
Zhigang Zou ^b,c

a Key Laboratory of Modern Acoustics, MOE, Institute of Acoustics, School of Physics, Nanjing University, Nanjing 210093, Jiangsu, China;
b Department of Materials Science and Engineering, Nanjing University, Nanjing 210093, Jiangsu China;
c Ecomaterials and Renewable Energy Research Center (ERERC), Nanjing University, Nanjing 210093, Jiangsu, China;
d National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory for NanoTechnology, Nanjing University, Nanjing 210093, Jiangsu, China

Received Date: 29 January 2016
Revised Date: 13 April 2016

Fund Project: This work was supported by the National Basic Research Program of China (973 Program, 2014CB239302, 2013CB632404), the Natural Science Foundation of Jiangsu Province (BK20130053), the National Natural Science Foundation of China (51272101, 51202005, 21473091).

The stems of water convolvulus were employed as biotemplates for the replication of their optimized 3D hierarchical architecture to synthesize porous MgO-modified TiO₂. The photocatalytic reduction of CO₂ with H₂O vapor into hydrocarbon fuel was studied with these MgO-TiO₂ nanostructures as the photocatalysts with the benefits of improved CO₂ adsorption and activation through incorporated MgO. Various factors involving CO₂ adsorption capacity, migration of charge carriers to the surface, and the number of activity sites, which depend on the amount of added MgO, determine the photocatalytic conversion efficiency.
- Magnesium oxide,
- Titanium dioxide,
- Carbon dioxide photoreduction,
- Carbon dioxide activiation,
- Bionic-porous structure,
- Biotemplate
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