金属酞菁/卟啉分子电催化CO_(2)还原的研究进展

Research Progress of Electrocatalytic Reduction of CO_(2) by Metal Phthalocyanine/Porphyrin Molecules

大气中日益增加的CO_(2)浓度导致了气候变化等环境问题。将CO_(2)催化转化为有价值的化学品具有重要意义。利用太阳能、风能等可再生能源产生的电能,通过电化学方法将CO_(2)还原转化为有价值的碳基化合物是最具有应用前景的方式。分子催化剂具有明确的结构和清晰的活性位点,可实现基于机理的性能优化。综述了近年来金属酞菁/卟啉分子在电催化CO_(2)还原为CO的实验和理论方面的最新研究进展。首先,介绍了金属酞菁/卟啉分子电催化CO_(2)还原为CO的详细机理。然后,重点介绍了如何通过分子分散和配体修饰提升金属酞菁/卟啉分子电催化CO_(2)还原为CO的活性和选择性。最后,讨论了金属酞菁/卟啉分子电催化CO_(2)还原存在的挑战及其可能的解决方案。

The increasing concentration of CO_(2) in the atmosphere contributes to environmental problems such as climate change.The catalytic conversion of CO_(2) into valuable chemicals is of great significance.It is the most promising way to use the electric energy provided by solar energy,wind energy and other renewable energy to reduce CO_(2) into valuable carbon-based compounds by electrochemical method.The molecular catalyst has distinct structures and clear active sites,which is conducive to the optimization of performance based on the mechanism.The latest experimental and theoretical research in the electrocatalytic reduction of CO_(2) to CO by metal phthalocyanine/porphyrin molecules in recent years was reviewed.Firstly,we introduced the detailed mechanism of electrocatalytic of CO_(2) to CO.And then,we focused on how to improve the activity and selectivity of electrocatalytic of metal phthalocyanine/porphyrin molecules for reducing CO_(2) to CO through molecular dispersion and ligand modification.Finally,we discussed the challenges and possible solutions of metal phthalocyanine/porphyrin molecular in the process of electrocatalytic CO_(2) reduction.