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Crystalline Copper(II) Phthalocyanine Catalysts for Electrochemical Reduction of Carbon Dioxide in Aqueous Media
ACS Catalysis ( IF 11.3 ) Pub Date : 2017-11-08 00:00:00 , DOI: 10.1021/acscatal.7b02220 Shoko Kusama 1 , Teruhiko Saito 1 , Hiroshi Hashiba 1 , Akihiro Sakai 1 , Satoshi Yotsuhashi 1
ACS Catalysis ( IF 11.3 ) Pub Date : 2017-11-08 00:00:00 , DOI: 10.1021/acscatal.7b02220 Shoko Kusama 1 , Teruhiko Saito 1 , Hiroshi Hashiba 1 , Akihiro Sakai 1 , Satoshi Yotsuhashi 1
Affiliation
We achieved highly selective electrochemical reduction of CO2 to C2H4 (faradaic efficiency of 25%) by crystalline copper phthalocyanine (CuPc) supported on carbon black. Remarkably, noncrystalline CuPc generated by treatment of crystalline CuPc with sulfuric acid did not give C2H4 selectively, suggesting that catalyst crystallinity is crucial for the selective conversion of CO2 to C2H4. The stability of crystalline CuPc under electrochemical reduction conditions was also evaluated, showing that crystalline CuPc can selectively convert CO to C2H4 in the initial stage (<10 000 s), as long as the crystallinity of the catalyst is maintained.
中文翻译:
结晶铜(II)酞菁催化剂,用于在水性介质中电化学还原二氧化碳
我们通过负载在炭黑上的结晶铜酞菁(CuPc)实现了高选择性的电化学还原,将CO 2还原为C 2 H 4(法拉第效率为25%)。值得注意的是,通过用硫酸处理结晶的CuPc而生成的非晶态的CuPc没有选择性地产生C 2 H 4,这表明催化剂的结晶度对于将CO 2选择性转化为C 2 H 4至关重要。还评估了结晶CuPc在电化学还原条件下的稳定性,表明结晶CuPc可以选择性地将CO转化为C 2 H 4。 在初始阶段(<10000 s),只要保持催化剂的结晶度即可。
更新日期:2017-11-09
中文翻译:
结晶铜(II)酞菁催化剂,用于在水性介质中电化学还原二氧化碳
我们通过负载在炭黑上的结晶铜酞菁(CuPc)实现了高选择性的电化学还原,将CO 2还原为C 2 H 4(法拉第效率为25%)。值得注意的是,通过用硫酸处理结晶的CuPc而生成的非晶态的CuPc没有选择性地产生C 2 H 4,这表明催化剂的结晶度对于将CO 2选择性转化为C 2 H 4至关重要。还评估了结晶CuPc在电化学还原条件下的稳定性,表明结晶CuPc可以选择性地将CO转化为C 2 H 4。 在初始阶段(<10000 s),只要保持催化剂的结晶度即可。