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@article{Mezzavilla:2019:10.1002/ange.201811422,
author = {Mezzavilla, S and Horch, S and Stephens, IEL and Seger, B and Chorkendorff, I},
doi = {10.1002/ange.201811422},
journal = {Angewandte Chemie},
pages = {3814--3818},
title = {Structure Sensitivity in the Electrocatalytic Reduction of CO<sub>2</sub> with Gold Catalysts},
url = {http://dx.doi.org/10.1002/ange.201811422},
volume = {131},
year = {2019}
}

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TY  - JOUR
AB  - <jats:title>Abstract</jats:title><jats:p>An understanding of the influence of structural surface features on electrocatalytic reactions is vital for the development of efficient nanostructured catalysts. Gold is the most active and selective known electrocatalyst for the reduction of CO<jats:sub>2</jats:sub> to CO in aqueous electrolytes. Numerous strategies have been proposed to improve its intrinsic activity. Nonetheless, the atomistic knowledge of the nature of the active sites remains elusive. We systematically investigated the structure sensitivity of Au single crystals for electrocatalytic CO<jats:sub>2</jats:sub> reduction. Reaction kinetics for the formation of CO are strongly dependent on the surface structure. Undercoordinated sites, such as those present in Au(110) and at the steps of Au(211), show at least 20fold higher activity than more coordinated configurations (for example, Au(100)). By selectively poisoning undercoordinated sites with Pb, we have confirmed that these are the active sites for CO<jats:sub>2</jats:sub> reduction.</jats:p>
AU  - Mezzavilla,S
AU  - Horch,S
AU  - Stephens,IEL
AU  - Seger,B
AU  - Chorkendorff,I
DO  - 10.1002/ange.201811422
EP  - 3818
PY  - 2019///
SN  - 0044-8249
SP  - 3814
TI  - Structure Sensitivity in the Electrocatalytic Reduction of CO<sub>2</sub> with Gold Catalysts
T2  - Angewandte Chemie
UR  - http://dx.doi.org/10.1002/ange.201811422
VL  - 131
ER  -

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Prof. Ifan E. L. Stephens

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