Abstract
In recent years, the increase of carbon dioxide (CO2) in the atmosphere has become a global environmental issue because of the serious problems, such as the “greenhouse effect”. The idea of mimicking the overall natural photosynthetic cycle of chemical conversion of CO2 into useful fuels has been consistently gaining attention for more than thirty years. Such artificial photosynthesis allows direct conversion of CO2 and water on photocatalysts into valuable hydrocarbon using sunlight at room temperature and ambient pressure to serve to reduce atmospheric CO2 concentrations while providing on a renewable carbon fixation and energy storage. In this presentation, we will report the utilization of solar energy to highly efficient conversion of CO2 into renewable hydrocarbon fuel over structured nanomaterials. The geometric shape and exposure of specific crystal planes of the nanostructures as well as combination of graphene as a good electron collector and transporter are a requisite for the high level of photocatalytic reduction of CO2. [1] W. G. Tu, Y. Zhou, Z. G. Zou, Adv. Mater. 2014, 26, 4607 (review article) [2] Q. Liu, Y. Zhou, J. H. Kou, X. Y. Chen, Z. P. Tian, J. Gao, S. C. Yan, Z. G. Zou J. Am. Chem. Soc. 2010, 132, 14385.
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