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Advances in molecular photocatalytic and electrocatalytic CO_2 reduction

机译：分子光催化和电催化CO_2还原的研究进展

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摘要

This review describes recent developments in photocatalytic and electrocatalytic CO_2 reduction. On the electrocatalytic side, there have been advances in optimization of known rhenium motifs sometimes in conjunction with silicon photoelectrodes giving enhanced catalytic current and stability. Complexes of copper capable of absorbing atmospheric CO_2 have been incorporated into an electrocatalytic cycle and metal-free electrocatalysis of CO_2 to methanol has been achieved with pyridinium ions. A complete cell with two photo-electrodes, one for water oxidation and the other for CO_2 reduction to formate has been set up successfully. The cathode employs ruthenium catalysts on InP. Progress in photocatalytic CO_2 reduction has been made with osmium complexes exhibiting good selectivity and stability. The separation between Ru and Re centers in light-harvesting donor-acceptor dyads has been investigated providing some inspiration for design. A ruthenium catalyst has been sensitized by tantalum oxide particles. Metalloporphyrin-rhenium dyads have also been studied for photocatalytic CO_2 reduction. In the biological arena, a ruthenium complex has been used to sensitize carbon monoxide dehydrogenase on titanium dioxide particles.
机译：这篇评论描述了光催化和电催化CO_2还原的最新进展。在电催化方面，有时优化已知的motif图案有时与提供增强的催化电流和稳定性的硅光电电极结合已取得进展。能够吸收大气中CO_2的铜络合物已被纳入电催化循环中，并且利用吡啶鎓离子已实现了CO_2对甲醇的无金属电催化。一个带有两个光电电极的完整电池已经成功建立，一个用于水氧化，另一个用于将CO_2还原成甲酸盐。阴极在InP上使用钌催化剂。配合物表现出良好的选择性和稳定性，已在光催化还原CO_2方面取得了进展。研究了光收集供体-受体二元组中Ru和Re中心之间的分离，为设计提供了一些启示。钌催化剂已被氧化钽颗粒敏化。还研究了金属卟啉-二联体对光催化还原CO_2的作用。在生物领域中，钌络合物已用于敏化二氧化钛颗粒上的一氧化碳脱氢酶。

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