The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.
Cu-Pd alloy nanoparticles as highly selective catalysts for efficient electrochemical reduction of CO2 to CO
Abstract
Abstract Although a copper catalyst has very interesting properties in CO2 electroreduction reaction (CO2RR), the high overpotential of this reaction and low selectivity of the catalyst for a single product are major hindrances to catalyst commercialization. In this work, monodisperse Cu-Pd nanoparticles (NPs) with various compositions are synthesized using the colloidal method. These NPs show a totally different catalytic performance than bulk Cu catalysts. Alloying Cu with Pd suppresses hydrocarbon production on the alloy NP catalyst surface. NPs with a 1:1 Cu-Pd ratio show the best catalytic activity for the conversion of CO2 to CO. At -0.9 V (vs. RHE), 87% CO Faradaic efficiency is achieved, as well as a high noble metal mass activity of 47 mA m g P d - 1 , for CO production. Density functional theory calculations suggest that the energy barrier to the CO* protonation step is increased when Pd is alloyed with Cu; this increase suppresses the reduction of CO2 to hydrocarbons. This result is a significant advance toward selective electrochemical reduction of CO2.
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Metadata
- Authors
- Mun, Y., Lee, S., Cho, A., Kim, S., Han, J. W., & Lee, J.
- Venue
- Applied Catalysis B: Environmental
- Publisher
- Elsevier BV
- Published
- 2019-06
- Volume
- 246
- Pages
- 82-88
- ISSN
- 0926-3373 (ISSN-L)
- OpenAlex
- W2908561184
- Cited by
- 253
- References
- 61
- FWCI
- 6.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- Mun, Y., Lee, S., Cho, A., Kim, S., Han, J. W., & Lee, J. (2019). Cu-Pd alloy nanoparticles as highly selective catalysts for efficient electrochemical reduction of CO2 to CO. Applied Catalysis B: Environmental. https://doi.org/10.1016/j.apcatb.2019.01.021
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