半导体
光催化
材料科学
纳米技术
电子转移
二氧化碳电化学还原
电催化剂
吸附
碳纤维
人工光合作用
催化作用
化学
光化学
一氧化碳
光电子学
电化学
物理化学
有机化学
复合数
电极
复合材料
作者
Shaohan Xu,Qi Shen,Jingui Zheng,Zhiming Wang,Xun Pan,Nianjun Yang,Guohua Zhao
标识
DOI:10.1002/advs.202203941
摘要
Emerging photoelectrocatalysis (PEC) systems synergize the advantages of electrocatalysis (EC) and photocatalysis (PC) and are considered a green and efficient approach to CO2 conversion. However, improving the selectivity and conversion rate remains a major challenge. Strategies mimicking natural photosynthesis provide a prospective way to convert CO2 with high efficiency. Herein, several typical strategies are described for constructing biomimetic photoelectric functional interfaces; such interfaces include metal cocatalysts/semiconductors, small molecules/semiconductors, molecular catalysts/semiconductors, MOFs/semiconductors, and microorganisms/semiconductors. The biomimetic PEC interface must have enhanced CO2 adsorption capacity, preferentially activate CO2 , and have an efficient conversion ability; with these properties, it can activate CO bonds effectively and promote electron transfer and CC coupling to convert CO2 to single-carbon or multicarbon products. Interfacial electron transfer and proton coupling on the biomimetic PEC interface are also discussed to clarify the mechanism of CO2 reduction. Finally, the existing challenges and perspectives for biomimetic photoelectrocatalytic CO2 reduction are presented.
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