Formic acid oxidation on Pd/RuO2: does the RuO2 support enhance the electrocatalytic activity of Pd nanoparticles?
The aim of this work was to study the effect of a RuO 2 support on the activity of Pd nanoparticles for formic acid oxidation, comparing the results with those obtained for Pd/C. In contrast with reports of enhancing effects of RuO 2 for other systems, such as methanol oxidation on Pt particles, our...
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| Veröffentlicht in: | Journal of solid state electrochemistry 2023-09, Vol.27 (9), p.2465-2477 |
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| container_title | Journal of solid state electrochemistry |
| container_volume | 27 |
| creator | Alvarenga, Gabriel M. Palombarini, Julio Gonçalves, Rosana A. Berengue, Olivia M. Nunes, Ronaldo S. Santos, Sydney F. Villullas, Hebe M. Ciapina, Eduardo G. |
| description | The aim of this work was to study the effect of a RuO
2
support on the activity of Pd nanoparticles for formic acid oxidation, comparing the results with those obtained for Pd/C. In contrast with reports of enhancing effects of RuO
2
for other systems, such as methanol oxidation on Pt particles, our data reveal a detrimental effect of the RuO
2
support on the activity of Pd nanoparticles for the oxidation of formic acid. FTIR spectra show CO
2
formation at potentials as low as 0.10 V and absence of adsorbed CO signals, suggesting that a bifunctional mechanism involving OH species on the oxide support surface does not occur nor has a significant contribution and that formic acid oxidation on Pd/RuO
2
and Pd/C takes place by the direct pathway. The unfavorable effect of the RuO
2
support on activity seems likely to be due to metal-support interactions that modify the Pd electronic properties.
Graphical abstract |
| doi_str_mv | 10.1007/s10008-023-05524-8 |
| format | Article |
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2
support on the activity of Pd nanoparticles for formic acid oxidation, comparing the results with those obtained for Pd/C. In contrast with reports of enhancing effects of RuO
2
for other systems, such as methanol oxidation on Pt particles, our data reveal a detrimental effect of the RuO
2
support on the activity of Pd nanoparticles for the oxidation of formic acid. FTIR spectra show CO
2
formation at potentials as low as 0.10 V and absence of adsorbed CO signals, suggesting that a bifunctional mechanism involving OH species on the oxide support surface does not occur nor has a significant contribution and that formic acid oxidation on Pd/RuO
2
and Pd/C takes place by the direct pathway. The unfavorable effect of the RuO
2
support on activity seems likely to be due to metal-support interactions that modify the Pd electronic properties.
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2
support on the activity of Pd nanoparticles for formic acid oxidation, comparing the results with those obtained for Pd/C. In contrast with reports of enhancing effects of RuO
2
for other systems, such as methanol oxidation on Pt particles, our data reveal a detrimental effect of the RuO
2
support on the activity of Pd nanoparticles for the oxidation of formic acid. FTIR spectra show CO
2
formation at potentials as low as 0.10 V and absence of adsorbed CO signals, suggesting that a bifunctional mechanism involving OH species on the oxide support surface does not occur nor has a significant contribution and that formic acid oxidation on Pd/RuO
2
and Pd/C takes place by the direct pathway. The unfavorable effect of the RuO
2
support on activity seems likely to be due to metal-support interactions that modify the Pd electronic properties.
Graphical abstract</description><subject>Analytical Chemistry</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Condensed Matter Physics</subject><subject>Electrochemistry</subject><subject>Energy Storage</subject><subject>Formic acid</subject><subject>Nanoparticles</subject><subject>Original Paper</subject><subject>Oxidation</subject><subject>Palladium</subject><subject>Physical Chemistry</subject><subject>Ruthenium oxide</subject><issn>1432-8488</issn><issn>1433-0768</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9UFtLwzAULqLgnP4BnwI-15006Zr6IjKcCsJE9Dlkyanr6JqapOL-vVkr-CYczoXvcuBLkksK1xSgmPnYQaSQsRTyPOOpOEomlLN4FnNxPOxZKrgQp8mZ91sAWswpTBK3tG5Xa6J0bYj9ro0KtW1JrBcze-1X2Q0xFj0JGySHk_i-66wLBNuNajUOADaog7NaBdXsw-AW6q867Imtog9pVWs75SLSoL89T04q1Xi8-J3T5H15_7Z4TJ9XD0-Lu-dUM1qGlLM54LoAZphGLFiJ2dqAAGN4oYTJNQeudAFrRiujgQpteMVykfM8wohsmlyNvp2znz36ILe2d218KTORU1qKooTIykaWdtZ7h5XsXL1Tbi8pyEO2csxWxmzlkK0UUcRGkY_k9gPdn_U_qh_kpX0j</recordid><startdate>20230901</startdate><enddate>20230901</enddate><creator>Alvarenga, Gabriel M.</creator><creator>Palombarini, Julio</creator><creator>Gonçalves, Rosana A.</creator><creator>Berengue, Olivia M.</creator><creator>Nunes, Ronaldo S.</creator><creator>Santos, Sydney F.</creator><creator>Villullas, Hebe M.</creator><creator>Ciapina, Eduardo G.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0003-1276-4086</orcidid><orcidid>https://orcid.org/0000-0002-5001-5038</orcidid><orcidid>https://orcid.org/0000-0001-9853-4438</orcidid><orcidid>https://orcid.org/0000-0002-9069-467X</orcidid><orcidid>https://orcid.org/0000-0002-0919-3289</orcidid><orcidid>https://orcid.org/0000-0002-3718-0493</orcidid></search><sort><creationdate>20230901</creationdate><title>Formic acid oxidation on Pd/RuO2: does the RuO2 support enhance the electrocatalytic activity of Pd nanoparticles?</title><author>Alvarenga, Gabriel M. ; Palombarini, Julio ; Gonçalves, Rosana A. ; Berengue, Olivia M. ; Nunes, Ronaldo S. ; Santos, Sydney F. ; Villullas, Hebe M. ; Ciapina, Eduardo G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-4360eb703d3cee739e2bd080dd47a8d5c404ac70b31fdc018cd4f358545a8dee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Analytical Chemistry</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Condensed Matter Physics</topic><topic>Electrochemistry</topic><topic>Energy Storage</topic><topic>Formic acid</topic><topic>Nanoparticles</topic><topic>Original Paper</topic><topic>Oxidation</topic><topic>Palladium</topic><topic>Physical Chemistry</topic><topic>Ruthenium oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Alvarenga, Gabriel M.</creatorcontrib><creatorcontrib>Palombarini, Julio</creatorcontrib><creatorcontrib>Gonçalves, Rosana A.</creatorcontrib><creatorcontrib>Berengue, Olivia M.</creatorcontrib><creatorcontrib>Nunes, Ronaldo S.</creatorcontrib><creatorcontrib>Santos, Sydney F.</creatorcontrib><creatorcontrib>Villullas, Hebe M.</creatorcontrib><creatorcontrib>Ciapina, Eduardo G.</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of solid state electrochemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Alvarenga, Gabriel M.</au><au>Palombarini, Julio</au><au>Gonçalves, Rosana A.</au><au>Berengue, Olivia M.</au><au>Nunes, Ronaldo S.</au><au>Santos, Sydney F.</au><au>Villullas, Hebe M.</au><au>Ciapina, Eduardo G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formic acid oxidation on Pd/RuO2: does the RuO2 support enhance the electrocatalytic activity of Pd nanoparticles?</atitle><jtitle>Journal of solid state electrochemistry</jtitle><stitle>J Solid State Electrochem</stitle><date>2023-09-01</date><risdate>2023</risdate><volume>27</volume><issue>9</issue><spage>2465</spage><epage>2477</epage><pages>2465-2477</pages><issn>1432-8488</issn><eissn>1433-0768</eissn><abstract>The aim of this work was to study the effect of a RuO
2
support on the activity of Pd nanoparticles for formic acid oxidation, comparing the results with those obtained for Pd/C. In contrast with reports of enhancing effects of RuO
2
for other systems, such as methanol oxidation on Pt particles, our data reveal a detrimental effect of the RuO
2
support on the activity of Pd nanoparticles for the oxidation of formic acid. FTIR spectra show CO
2
formation at potentials as low as 0.10 V and absence of adsorbed CO signals, suggesting that a bifunctional mechanism involving OH species on the oxide support surface does not occur nor has a significant contribution and that formic acid oxidation on Pd/RuO
2
and Pd/C takes place by the direct pathway. The unfavorable effect of the RuO
2
support on activity seems likely to be due to metal-support interactions that modify the Pd electronic properties.
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| subjects | Analytical Chemistry Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Condensed Matter Physics Electrochemistry Energy Storage Formic acid Nanoparticles Original Paper Oxidation Palladium Physical Chemistry Ruthenium oxide |
| title | Formic acid oxidation on Pd/RuO2: does the RuO2 support enhance the electrocatalytic activity of Pd nanoparticles? |
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