Matches in SemOpenAlex for { <https://semopenalex.org/work/W2000296776> ?p ?o ?g. }
Showing items 1 to 90 of
90
with 100 items per page.
- W2000296776 endingPage "12432" @default.
- W2000296776 startingPage "12425" @default.
- W2000296776 abstract "The aim of the present work is to provide a deeper understanding of gold catalysis for CO electrooxidation in alkaline media, through a combined electrochemical, spectroscopic, and DFT study. Voltammetric and spectroscopic measurements evidence that the amount of CO irreversibly adsorbed on gold increases as the adsorption potential becomes more negative (vs SHE). This explains why higher CO coverages can be achieved in more alkaline solutions, since the value of adsorption potential vs RHE becomes more negative vs SHE with increasing pH. On the other hand, the combination of FTIRRAS experiments and DFT calculations shows that the adsorption site of irreversibly adsorbed CO on Au(111) depends on the value of the adsorption potential. It is concluded that CO adsorption on top sites takes place at all studied potentials, and hollow and bridge sites also become occupied for adsorption potentials lower and higher than 0 V vs RHE, respectively. However, it should be noted that our DFT calculations give values of the CO binding energies that are not strong enough to explain CO irreversible adsorption. This may be partly attributed to the fact that OH coadsorption is not included in the calculations. Indeed, this work presents two experimental facts that suggest that CO adsorption on gold promotes the coadsorption of OH species: (i) CO irreversibly adsorbed on Au(111) and Au(100) leads to an unusual voltammetric feature, whose charge indicates the stabilization of one OH species per adsorbed CO species; (ii) the apparent transfer coefficient of this unusual state is close to unity, suggesting that it is due to a presumed structural transformation coupled to OH adsorption. Finally, the effect of the adsorption potential on the bulk CO electrooxidation is also studied. It is found that, on Au(111), an increased occupation of CO on multifold (hollow) sites seems to result in a less efficient catalysis. However, on Au(110), an increased coverage of CO on top sites does not produce any significant change in catalysis." @default.
- W2000296776 created "2016-06-24" @default.
- W2000296776 creator A5028485156 @default.
- W2000296776 creator A5033741028 @default.
- W2000296776 creator A5033853790 @default.
- W2000296776 creator A5044482615 @default.
- W2000296776 creator A5062008142 @default.
- W2000296776 date "2010-06-18" @default.
- W2000296776 modified "2023-10-14" @default.
- W2000296776 title "CO Electroxidation on Gold in Alkaline Media: A Combined Electrochemical, Spectroscopic, and DFT Study" @default.
- W2000296776 cites W1504154191 @default.
- W2000296776 cites W1973878961 @default.
- W2000296776 cites W1992277893 @default.
- W2000296776 cites W2006636051 @default.
- W2000296776 cites W2008431378 @default.
- W2000296776 cites W2010650372 @default.
- W2000296776 cites W2014091689 @default.
- W2000296776 cites W2033412312 @default.
- W2000296776 cites W2036965740 @default.
- W2000296776 cites W2061813474 @default.
- W2000296776 cites W2062789612 @default.
- W2000296776 cites W2072609386 @default.
- W2000296776 cites W2079105963 @default.
- W2000296776 cites W2083222334 @default.
- W2000296776 cites W2087025126 @default.
- W2000296776 cites W2145413612 @default.
- W2000296776 cites W2479211260 @default.
- W2000296776 cites W4327518229 @default.
- W2000296776 doi "https://doi.org/10.1021/la1014048" @default.
- W2000296776 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/20560579" @default.
- W2000296776 hasPublicationYear "2010" @default.
- W2000296776 type Work @default.
- W2000296776 sameAs 2000296776 @default.
- W2000296776 citedByCount "56" @default.
- W2000296776 countsByYear W20002967762012 @default.
- W2000296776 countsByYear W20002967762013 @default.
- W2000296776 countsByYear W20002967762014 @default.
- W2000296776 countsByYear W20002967762015 @default.
- W2000296776 countsByYear W20002967762016 @default.
- W2000296776 countsByYear W20002967762017 @default.
- W2000296776 countsByYear W20002967762018 @default.
- W2000296776 countsByYear W20002967762019 @default.
- W2000296776 countsByYear W20002967762020 @default.
- W2000296776 countsByYear W20002967762021 @default.
- W2000296776 countsByYear W20002967762022 @default.
- W2000296776 countsByYear W20002967762023 @default.
- W2000296776 crossrefType "journal-article" @default.
- W2000296776 hasAuthorship W2000296776A5028485156 @default.
- W2000296776 hasAuthorship W2000296776A5033741028 @default.
- W2000296776 hasAuthorship W2000296776A5033853790 @default.
- W2000296776 hasAuthorship W2000296776A5044482615 @default.
- W2000296776 hasAuthorship W2000296776A5062008142 @default.
- W2000296776 hasConcept C147789679 @default.
- W2000296776 hasConcept C150394285 @default.
- W2000296776 hasConcept C161790260 @default.
- W2000296776 hasConcept C17525397 @default.
- W2000296776 hasConcept C178790620 @default.
- W2000296776 hasConcept C179104552 @default.
- W2000296776 hasConcept C185592680 @default.
- W2000296776 hasConcept C52859227 @default.
- W2000296776 hasConceptScore W2000296776C147789679 @default.
- W2000296776 hasConceptScore W2000296776C150394285 @default.
- W2000296776 hasConceptScore W2000296776C161790260 @default.
- W2000296776 hasConceptScore W2000296776C17525397 @default.
- W2000296776 hasConceptScore W2000296776C178790620 @default.
- W2000296776 hasConceptScore W2000296776C179104552 @default.
- W2000296776 hasConceptScore W2000296776C185592680 @default.
- W2000296776 hasConceptScore W2000296776C52859227 @default.
- W2000296776 hasIssue "14" @default.
- W2000296776 hasLocation W20002967761 @default.
- W2000296776 hasLocation W20002967762 @default.
- W2000296776 hasOpenAccess W2000296776 @default.
- W2000296776 hasPrimaryLocation W20002967761 @default.
- W2000296776 hasRelatedWork W1974837029 @default.
- W2000296776 hasRelatedWork W1996267637 @default.
- W2000296776 hasRelatedWork W2092275170 @default.
- W2000296776 hasRelatedWork W2347546526 @default.
- W2000296776 hasRelatedWork W2349867250 @default.
- W2000296776 hasRelatedWork W2384269164 @default.
- W2000296776 hasRelatedWork W2411146788 @default.
- W2000296776 hasRelatedWork W3139224643 @default.
- W2000296776 hasRelatedWork W3193749472 @default.
- W2000296776 hasRelatedWork W4307686465 @default.
- W2000296776 hasVolume "26" @default.
- W2000296776 isParatext "false" @default.
- W2000296776 isRetracted "false" @default.
- W2000296776 magId "2000296776" @default.
- W2000296776 workType "article" @default.