Bimetallic Synergy in Single-Atom Alloy Nanocatalysts for CO2 Reduction to Ethylene
Source abstract
Abstract
Carbon dioxide reduction has been regarded as a promising strategy for the generation of value-added multi-carbon compounds. Taking advantage of the synergy of the distinct chemical characters of adsorption sites, the single-atom Sc-doped Cu(111) surface exhibits excellent performance for C 2 H 4 selectivity. O is more strongly bound to Sc than C to Cu, leading to the facilitation of CO 2 activation and C 2 H 4 desorption. The Sc dopant promotes C–C dimerization through the CO dimer into COCO, which is difficult to occur on the pristine Cu(111), and the COCO─involved reaction pathway is favorable both in thermodynamics and kinetics. This study sheds light on nanocatalyst design for reaction products with different chemical characters from reactants. Typically, the control of the electron-deficient and electron-sufficient sites on catalyst surfaces is beneficial for chemical reactions with oxygenated reactants and hydrocarbon products.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: CO2 Reduction Techniques and Catalysts · Catalytic Processes in Materials Science · Carbon dioxide utilization in catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Molecular Plus, Tianjin University, Tianjin 300072, PR China
College of Chemistry, Zhengzhou University, Zhengzhou 450001, PR China
Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, PR China
School of Science, Beijing Jiaotong University, Beijing 100044, PR China
Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Science, Beijing 100190, PR China
Funding
Guangdong Science and Technology Department · Ministry of Science and Technology of the People's Republic of China · State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University · China Petrochemical Corporation · Central University Basic Research Fund of China · National Natural Science Foundation of China · Haihe Laboratory of Sustainable Chemical Transformations, Tianjin University · Chemistry and Chemical Engineering Guangdong Laboratory
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