Sulfur boosting CO 2 reduction activity of bismuth subcarbonate nanosheets via promoting proton-coupled electron transfer
Applied Surface Science, ISSN: 0169-4332, Vol: 562, Page: 150197
2021
- 24Citations
- 14Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Bismuth (Bi) based nanomaterials are attractive catalysts for electrochemical CO 2 reduction to formate, while both high selectivity and high activity still need further investigation. Herein, we report a facile strategy, via introducing sulfur (S) atoms to modulate the electronic structure of two-dimensional (2D) bismuth subcarbonate Bi 2 O 2 CO 3 (BiOC) nanosheets, to improve their catalytic activity meanwhile maintain high formate selectivity. The lower electronegativity of the substituted S than O enhances the local electron density around Bi active sites, promoting the proton-coupled electron transfer to the CO 2 intermediate, and thus contributing to the superior CO 2 reduction performance with the selectivity of formate >90% in a wide negative potential range and high partial current density up to 29.0 mA cm −2 at −0.9 vs RHE. This study provides an in-depth understanding on the design of advanced CO 2 reduction electrocatalysts via heteroatom doping.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0169433221012733; http://dx.doi.org/10.1016/j.apsusc.2021.150197; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85107155075&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0169433221012733; https://dx.doi.org/10.1016/j.apsusc.2021.150197
Elsevier BV
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