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Architecture engineering and lattice modulation of exposed Cu (100)/(111) surfaces for efficient electrochemical CO2
Zhen He1,2, Hanwen Cheng3, Hao Liu1
1Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, China. liaolw@issp.ac.cn.
None:
Core-shell and hierarchical Pd-Cu nanowires, with exposed strained Cu(100) and Cu (100)/Cu(111) surfaces, respectively, were constructed. The hierarchical Pd-Cu demonstrated superior overall activity, ethylene selectivity, and reaction kinetics toward the electrochemical CO2 reduction reaction. Theoretical calculations indicate that the lattice-expanded Cu (100)/(111) interface effectively reduces the energy barrier for C2 production.
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