A Bio-inspired Cu<sub>4</sub>
O<sub>4</sub>
Cubane: Effective Molecular Catalysts for Electrocatalytic Water Oxidation in Aqueous Solution
作者:Xin Jiang、Jian Li、Bing Yang、Xiang-Zhu Wei、Bo-Wei Dong、Yi Kao、Mao-Yong Huang、Chen-Ho Tung、Li-Zhu Wu
DOI:10.1002/anie.201803944
日期:2018.6.25
II, tetrametallic molecular water oxidation catalysts, especially M4O4 cubane‐like clusters (M=transition metals), have aroused great interest in developing highly active and robust catalysts for water oxidation. Among these M4O4 clusters, however, copper‐based molecular catalysts are poorly understood. Now, bio‐inspired Cu4O4 cubanes are presented as effective molecular catalysts for electrocatalytic
受光系统II中天然氧气释放复合物的立方Mn 4 CaO 5簇的启发,四金属分子水氧化催化剂,尤其是M 4 O 4古巴样簇(M =过渡金属),引起了人们对开发高活性和高活性的巨大兴趣。强大的水氧化催化剂。但是,在这些M 4 O 4簇中,对铜基分子催化剂的了解很少。现在,受到生物启发的Cu 4 O 4古巴烷被提出作为在水溶液(pH 12)中进行电催化水氧化的有效分子催化剂。以267 s的周转频率(TOF)表现出非凡的催化活性-1用于[(L甘氨酸-Cu)4 ]在1.70 V和10 5个S -1为[(L谷氨酸-Cu)4 ]在1.56 V.电化学和光谱研究在铜揭示了连续两个电子转移过程4 Ò 4立方烷,以形成高价的Cu III和Cu III Ò 。催化过程中的中间体。