https://scholars.lib.ntu.edu.tw/handle/123456789/405790
標題: | Imidazole for Pyridine Substitution Leads to Enhanced Activity Under Milder Conditions in Cobalt Water Oxidation Electrocatalysis | 作者: | MU-CHIEH CHANG | 公開日期: | 2019 | 卷: | 58 | 期: | 2 | 來源出版物: | Inorganic Chemistry | 摘要: | © 2018 American Chemical Society. A previously reported cobalt complex featuring a tetraimidazolyl-substituted pyridine chelate is an active water oxidation electrocatalyst with moderate overpotential at pH 7. While this complex decomposes rapidly to a less-active species under electrocatalytic conditions, detailed electrochemical studies support the agency of an initial molecular catalyst. Cyclic voltammetry measurements confirm that the imidazolyl donors result in a more electron-rich Co center when compared with previous pyridine-based systems. The primary changes in electrocatalytic behavior of the present case are enhanced activity at lower pH and a marked dependence of catalytic activity on pH. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/405790 | ISSN: | 0020-1669 1520-510X |
DOI: | 10.1021/acstnorgchem.8b02942 |
顯示於: | 化學系 |
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