Synthesis of Boron-imidazolate Framework nanosheet with Dimer Cu units for CO2 Electroreduction to Ethylene.

Ping Shao, Wei Zhou, Qin-Long Hong, Luocai Yi, Lirong Zheng, Wenjing Wang, Hai-Xia Zhang, Huabin Zhang, Jian Zhang

Research output: Contribution to journalArticlepeer-review

49 Scopus citations

Abstract

Fundamental understanding of the dependence between the structure and composition on the electrochemical CO 2 reduction reaction (CO 2 RR) would guide the rational design of highly efficient and selective electrocatalysts. A major impediment to the deep reduction CO 2 to multi-carbon products is the complexity of carbon-carbon bond coupling. The chemically well-defined catalysts with atomically dispersed dual-metal sites are required for these C-C coupling involved processes. Here, we developed a catalyst (BIF-102NSs) that features Cl - bridged dimer copper (Cu 2 ) units, which delivers high catalytic activity and selectivity for C 2 H 4 . Mechanistic investigation verifies that neighboring Cu monomers not only perform as regulator for varying the reaction barrier, but also afford distinct reaction paths compared with isolated monomers, resulting in greatly improved electroreduction performance for CO 2 .
Original languageEnglish (US)
JournalAngewandte Chemie (International ed. in English)
DOIs
StatePublished - May 12 2021

Bibliographical note

KAUST Repository Item: Exported on 2021-06-10
Acknowledgements: This work is supported by National Natural Science Foundation of China (21935010, 21773242), National Key Research and Development Program of China (2018YFA0208600), and the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB20000000).

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis

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