光电催化还原 CO2 生成燃料或日用化学品是一个应对能源危机和全球变暖的有效途径.光电催化反应中电解质和催化剂表面间的相互作用影响 CO2 还原反应的结果.因此,深入探究电解质对CO2光电催化还原的影响,对于设计出高效和高选择性地将CO2转化为有价值产品的光电催化反应至关重要.综述了不同阴、阳离子组成的电解质对催化反应产生的影响,尤其是对于反应活性以及选择性的显著影响,并讨论了如何依据这些影响进行光电催化系统的参数设计.
Effect of Electrolyte on Photoelectrocatalytic Reduction of CO2
Photoelectrocatalytic reduction of CO2 to produce fuel or daily chemicals is an effective way to deal with the energy crisis and global warming.The role of electrolyte is very worthy of in-depth study,because the interaction between electrolyte and catalyst surface determines the result of CO2 reduction reaction in a certain way.Therefore,it is very important to study the effect of electrolyte on CO2 photocatalysis reduction in order to design a photocatalysis reaction that can efficiently and selectively convert CO2 into valuable products.In this paper,the effects of electrolytes with different anion and cation compositions on catalytic reaction,especially on the reactivity and selectivity,were reviewed,and how to design the parameters of photoelectric catalytic system according to these effects was discussed.
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