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  • Wang, Haibin, et al. (author)
  • Strain in Copper/Ceria Heterostructure Promotes Electrosynthesis of Multicarbon Products
  • 2023
  • In: ACS Nano. - : American Chemical Society. - 1936-0851 .- 1936-086X. ; 17:1, s. 346-354
  • Journal article (peer-reviewed)abstract
    • Elastic strains in metallic catalysts induce enhanced selectivity for carbon dioxide reduction (CO2R) toward valuable multicarbon (C2+) products. However, under working conditions, the structure of catalysts inevitably undergoes reconstruction, hardly retaining the initial strain. Herein, we present a metal/metal oxide synthetic strategy to introduce and maintain the tensile strain in a copper/ceria heterostructure, enabled by the presence of a thin interface layer of Cu2O/CeO2. The tensile strain in the copper domain and deficient electron environment around interfacial Cu sites resulted in strengthened adsorption of carbonaceous intermediates and promoted*CO dimerization. The strain effect in the copper/ceria heterostructure leads to an improved C2+ selectivity with a maximum Faradaic efficiency of 76.4% and a half-cell power conversion efficiency of 49.1%. The fundamental insights gained from this system can facilitate the rational design of heterostructure catalysts for CO2R.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Vomiero, Alberto (1)
Huang, Yan (1)
Li, Jun (1)
Zhang, Hao (1)
Qian, Zhao (1)
Wang, Haibin (1)
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Liu, Yongchang (1)
Sun, Xuhui (1)
Liang, Hongyan (1)
Wang, Yuhang (1)
Wang, Haiyu (1)
Ozden, Adnan (1)
Yao, Kaili (1)
Li, Huamin (1)
Guo, Qianying (1)
Wang, Ziyun (1)
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University
Luleå University of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2023 (1)

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