Aromatic Ring Size Effect of a Surface Modification Agent on Platinum Nanoparticle Electrocatalysts for Oxygen Reduction Reaction
Platinum nanoparticles (NPs) modified with alkylamines containing various aromatic rings (benzyl, naphtyl, anthryl, and pyrenyl) were synthesized as model cathode catalysts for fuel cells to investigate the role of aromatic surface modification agents on catalytic performance. Surface modification o...
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| Veröffentlicht in: | Electrocatalysis 2018-07, Vol.9 (4), p.486-494 |
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| creator | Miyabayashi, Keiko Ishihara, Kenta Joshi, Prerna Shen, Zhongrong Miyake, Mikio |
| description | Platinum nanoparticles (NPs) modified with alkylamines containing various aromatic rings (benzyl, naphtyl, anthryl, and pyrenyl) were synthesized as model cathode catalysts for fuel cells to investigate the role of aromatic surface modification agents on catalytic performance. Surface modification of Pt was confirmed by nuclear magnetic resonance spectra for NPs and thermogravimetric analysis for carbon-supported catalysts. Surface modification of Pt NPs with aromatic alkylamines improved the electrocatalytic activities for the oxygen reduction reaction, whose activity values increased by increasing the number of aromatic rings. The effect of surface modification on the electronic properties of the catalyst was evaluated by X-ray photoelectron spectroscopy. A large positive shift in the Pt 4f binding energy of surface-modified catalyst, especially for anthryl and pyrenyl modifications, was observed, indicating that one of the important factors is metal–support interaction facilitated by the aromatic groups through the π–π interactions with carbon support.
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| doi_str_mv | 10.1007/s12678-018-0462-6 |
| format | Article |
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Graphical Abstract
ᅟ</description><subject>Alkylamines</subject><subject>Aromatic compounds</subject><subject>Carbon</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Chemical synthesis</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Electrocatalysts</subject><subject>Electrochemistry</subject><subject>Electronic properties</subject><subject>Energy Systems</subject><subject>Fuel cells</subject><subject>Metals</subject><subject>Nanoparticles</subject><subject>NMR</subject><subject>Nuclear fuels</subject><subject>Nuclear magnetic resonance</subject><subject>Original Research</subject><subject>Oxygen reduction reactions</subject><subject>Physical Chemistry</subject><subject>Platinum</subject><subject>Size effects</subject><subject>Spectrum analysis</subject><subject>Thermogravimetric analysis</subject><issn>1868-2529</issn><issn>1868-5994</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kEtLAzEUhYMoWLQ_wF3A9Wgek8xkWUp9QLXS6jqkmaRMmU5qMgPWnf_c2we4MhByk5zvXO5B6IaSO0pIcZ8ok0WZEQo7lyyTZ2hAS1lmQqn8_FQzwdQlGqa0JrC44qQUA_QzimFjutried2u8KL-dnjivbMdDh4bvOijN9bhl1DVvragDC0erVwL_y1-a-Ch7Tf41bRhayL4NMA3gMcAYtPsUpewDxHPvnZA4bmrenswmTtzKK7RhTdNcsPTeYU-Hibv46dsOnt8Ho-mmeWCdxkVhSkEM3wJwzjvPDcSrqQklHlqlHG2Ukta2Eoqqiq2lGVOlaSKca-YqPgVuj36bmP47F3q9Dr0sYWWmhFBaV5ClqCiR5WNIaXovN7GemPiTlOi92HrY9gawtb7sLUEhh2ZBNp25eKf8__QL8jugqc</recordid><startdate>20180701</startdate><enddate>20180701</enddate><creator>Miyabayashi, Keiko</creator><creator>Ishihara, Kenta</creator><creator>Joshi, Prerna</creator><creator>Shen, Zhongrong</creator><creator>Miyake, Mikio</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-1895-4756</orcidid></search><sort><creationdate>20180701</creationdate><title>Aromatic Ring Size Effect of a Surface Modification Agent on Platinum Nanoparticle Electrocatalysts for Oxygen Reduction Reaction</title><author>Miyabayashi, Keiko ; Ishihara, Kenta ; Joshi, Prerna ; Shen, Zhongrong ; Miyake, Mikio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c353t-157a752a3b868efef3a652a08012f1a9aecd9b17cd6919d2b6841961923f925d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Alkylamines</topic><topic>Aromatic compounds</topic><topic>Carbon</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Chemical synthesis</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Electrocatalysts</topic><topic>Electrochemistry</topic><topic>Electronic properties</topic><topic>Energy Systems</topic><topic>Fuel cells</topic><topic>Metals</topic><topic>Nanoparticles</topic><topic>NMR</topic><topic>Nuclear fuels</topic><topic>Nuclear magnetic resonance</topic><topic>Original Research</topic><topic>Oxygen reduction reactions</topic><topic>Physical Chemistry</topic><topic>Platinum</topic><topic>Size effects</topic><topic>Spectrum analysis</topic><topic>Thermogravimetric analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Miyabayashi, Keiko</creatorcontrib><creatorcontrib>Ishihara, Kenta</creatorcontrib><creatorcontrib>Joshi, Prerna</creatorcontrib><creatorcontrib>Shen, Zhongrong</creatorcontrib><creatorcontrib>Miyake, Mikio</creatorcontrib><collection>CrossRef</collection><jtitle>Electrocatalysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Miyabayashi, Keiko</au><au>Ishihara, Kenta</au><au>Joshi, Prerna</au><au>Shen, Zhongrong</au><au>Miyake, Mikio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Aromatic Ring Size Effect of a Surface Modification Agent on Platinum Nanoparticle Electrocatalysts for Oxygen Reduction Reaction</atitle><jtitle>Electrocatalysis</jtitle><stitle>Electrocatalysis</stitle><date>2018-07-01</date><risdate>2018</risdate><volume>9</volume><issue>4</issue><spage>486</spage><epage>494</epage><pages>486-494</pages><issn>1868-2529</issn><eissn>1868-5994</eissn><abstract>Platinum nanoparticles (NPs) modified with alkylamines containing various aromatic rings (benzyl, naphtyl, anthryl, and pyrenyl) were synthesized as model cathode catalysts for fuel cells to investigate the role of aromatic surface modification agents on catalytic performance. Surface modification of Pt was confirmed by nuclear magnetic resonance spectra for NPs and thermogravimetric analysis for carbon-supported catalysts. Surface modification of Pt NPs with aromatic alkylamines improved the electrocatalytic activities for the oxygen reduction reaction, whose activity values increased by increasing the number of aromatic rings. The effect of surface modification on the electronic properties of the catalyst was evaluated by X-ray photoelectron spectroscopy. A large positive shift in the Pt 4f binding energy of surface-modified catalyst, especially for anthryl and pyrenyl modifications, was observed, indicating that one of the important factors is metal–support interaction facilitated by the aromatic groups through the π–π interactions with carbon support.
Graphical Abstract
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| subjects | Alkylamines Aromatic compounds Carbon Catalysis Catalysts Chemical synthesis Chemistry Chemistry and Materials Science Electrocatalysts Electrochemistry Electronic properties Energy Systems Fuel cells Metals Nanoparticles NMR Nuclear fuels Nuclear magnetic resonance Original Research Oxygen reduction reactions Physical Chemistry Platinum Size effects Spectrum analysis Thermogravimetric analysis |
| title | Aromatic Ring Size Effect of a Surface Modification Agent on Platinum Nanoparticle Electrocatalysts for Oxygen Reduction Reaction |
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