Photocatalytic reduction of CO_(2) with water by photocatalysts such as TiO_(2) to produce solar fuels is an attractive approach to alleviate the environmental influences of greenhouse gases and in the meantime produc...Photocatalytic reduction of CO_(2) with water by photocatalysts such as TiO_(2) to produce solar fuels is an attractive approach to alleviate the environmental influences of greenhouse gases and in the meantime produce valuable carbon-neutral fuels.Among the materials properties that affect catalytic activity of CO_(2) photoreduction,the point defect on TiO_(2) is one of the most important but not frequently addressed and well understood in the literature.In this review,we have examined the major influences of TiO_(2) point defects on CO_(2)photoreduction with H_(2)O,by changing the catalysts'gas adsorption capabilities,optical properties,and electronic structures.In addition,the performances of various defective TiO_(2) toward CO_(2) photoreduction are summarized and compared in terms of productivity,selectivity,and stability.We hope this review can contribute to understanding the mechanism of CO_(2) photoreduction on defective TiO_(2) and provide insights to the design of highly efficient defect-rich TiO_(2) to boost the CO_(2) utilization.展开更多
基金The authors acknowledge the financial support from National Science Foundation CAREER Award(CBET#1538404).
文摘Photocatalytic reduction of CO_(2) with water by photocatalysts such as TiO_(2) to produce solar fuels is an attractive approach to alleviate the environmental influences of greenhouse gases and in the meantime produce valuable carbon-neutral fuels.Among the materials properties that affect catalytic activity of CO_(2) photoreduction,the point defect on TiO_(2) is one of the most important but not frequently addressed and well understood in the literature.In this review,we have examined the major influences of TiO_(2) point defects on CO_(2)photoreduction with H_(2)O,by changing the catalysts'gas adsorption capabilities,optical properties,and electronic structures.In addition,the performances of various defective TiO_(2) toward CO_(2) photoreduction are summarized and compared in terms of productivity,selectivity,and stability.We hope this review can contribute to understanding the mechanism of CO_(2) photoreduction on defective TiO_(2) and provide insights to the design of highly efficient defect-rich TiO_(2) to boost the CO_(2) utilization.
