文献类型：期刊文献

英文题名：Molecular engineering to introduce carbonyl between nickel salophen active sites to enhance electrochemical CO2 reduction to methanol

作者：Liang, Zhifu[1,4]; Wang, Jianghao[2]; Tang, Pengyi[3,8]; Tang, Weiqiang[7]; Liu, Lijia[5]; Shakouri, Mohsen[10]; Wang, Xiang[4]; Llorca, Jordi[9]; Zhao, Shuangliang[7,11]; Heggen, Marc[8]; Dunin-Borkowski, Rafal E.[8]; Cabot, Andreu[4,12]; Wu, Hao Bin[6]; Arbiol, Jordi[1,12]

机构：[1] Catalan Institute of Nanoscience and Nanotechnology [ICN2], CSIC and BIST, Campus UAB, Bellaterra, Catalonia, Barcelona, 08193, Spain; [2] Institute of Zhejiang University - Quzhou, 78 Jiuhua Boulevard North, Quzhou, 324000, China; [3] State Key Laboratory of Information Functional Materials, 2020 X-Lab, Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; [4] Catalonia Institute for Energy Research – IREC, Sant Adrià de Besòs, Catalonia, Barcelona, 08930, Spain; [5] Department of Chemistry, Western University, 1151 Richmond Street, London, ON, N6A5B7, Canada; [6] Institute for Composites Science Innovation, [InCSI], School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, China; [7] State Key Laboratory of Chemical Engineering and School of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, China; [8] Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute Forschungszentrum Jülich GmbH, Jülich, 52425, Germany; [9] Institute of Energy Technologies, Department of Chemical Engineering and Barcelona, Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, EEBE, Catalonia, Barcelona, 08019, Spain; [10] Canadian Light Source, Saskatoon, S7N 2V3, Canada; [11] Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China; [12] ICREA, Pg. Lluís Companys 23, Catalonia, Barcelona, 08010, Spain

年份：2022

卷号：314

外文期刊名：Applied Catalysis B: Environmental

收录：EI(收录号：20221912100463)

语种：英文

外文关键词：Carbon dioxide - Cost effectiveness - Electrocatalysts - Electrolytic reduction - Greenhouse gases - Ligands - Metal-Organic Frameworks - Nickel compounds

摘要：The electrochemical reduction of CO2 to methanol is a potentially cost-effective strategy to reduce the concentration of this greenhouse gas while at the same time producing a value-added chemical. Herein, we detail a highly efficient 2D nickel organic framework containing a large density of highly dispersed salophen NiN2O2 active sites toward electrochemical CO2RR to methanol. By tuning the ligand environment of the salophen NiN2O2, the electrocatalytic activity of the material toward CO2 reduction can be significantly improved. We prove that by introducing a carbonyl group at the ligand environment of the Ni active sites, the electrochemical CO2 reduction activity is highly promoted and its product selectivity reaches a Faradaic efficiency of 27% toward the production of methanol at ? 0.9 V vs RHE. The salophen-based π-d conjugated metal-organic framework presented here thus provides the best performance toward CO2 reduction to methanol among the previously developed nickel-based electrocatalysts. ? 2022 The Authors