用于将CO电化学还原为CO的咪唑锌金属有机框架材料（ZIF-8）
Zinc Imidazolate Metal-Organic Frameworks (ZIF-8) for Electrochemical Reduction of CO to CO.
作者信息
Wang Yulin, Hou Pengfei, Wang Zhuo, Kang Peng
机构信息
Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Road, Haidian District, Beijing, China.
University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, China.
出版信息
Chemphyschem. 2017 Nov 17;18(22):3142-3147. doi: 10.1002/cphc.201700716. Epub 2017 Aug 16.
Metal-organic frameworks (MOFs) are regarded as promising materials for CO adsorption, which is an important step in CO electrochemical reduction. In this work, zeolitic imidazolate framework (ZIF-8) nanomaterials were synthesized with various zinc sources and used as electrocatalysts for CO reduction to CO. Among them, ZIF-8, prepared using ZnSO , delivers the best catalytic activity towards CO electroreduction, with 65 % CO yield. The main catalytic center can be attributed to the discrete Zn nodes in ZIF-8. Electrolytes are important in increasing the CO selectivity, and NaCl is the best suitable electrolyte due to facile anion exchange.
金属有机框架材料（MOFs）被认为是用于CO吸附的有前景的材料，而CO吸附是CO电化学还原中的重要一步。在这项工作中，使用各种锌源合成了沸石咪唑酯骨架（ZIF-8）纳米材料，并将其用作将CO还原为CO的电催化剂。其中，使用ZnSO制备的ZIF-8对CO电还原具有最佳的催化活性，CO产率为65%。主要催化中心可归因于ZIF-8中离散的Zn节点。电解质对于提高CO选择性很重要，而NaCl由于易于进行阴离子交换是最合适的电解质。
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