Tuning Pt-skinned PtAg nanotubes in nanoscales to efficiently modify electronic structure for boosting performance of methanol electrooxidation
[Display omitted] •Pt-skinned PtAg bimetallic nanotubes with the Pt skin as thin as 1.5 nm are prepared.•The electronic structure of Pt in PtAgNTs is prominently optimized by Pt skin.•The dissociation of methanol molecules is highly enhanced by PtAgNTs.•PtAgNTs could reduce the adsorption energy of...
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| Veröffentlicht in: | Applied catalysis. B, Environmental Environmental, 2020-05, Vol.265, p.118606, Article 118606 |
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| container_title | Applied catalysis. B, Environmental |
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| creator | Ouyang, Yirui Cao, Haijie Wu, Huijie Wu, Diben Wang, Fengqian Fan, Xiaojing Yuan, Weiyong He, Maoxia Zhang, Lian Ying Li, Chang Ming |
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•Pt-skinned PtAg bimetallic nanotubes with the Pt skin as thin as 1.5 nm are prepared.•The electronic structure of Pt in PtAgNTs is prominently optimized by Pt skin.•The dissociation of methanol molecules is highly enhanced by PtAgNTs.•PtAgNTs could reduce the adsorption energy of CO molecules.•PtAgNTs/C show much higher catalytic activity and stability than commercial Pt/C.
The modification of electronic structure can significantly affect electrocatalytic activity. An architecture art of Pt-skinned PtAg bimetallic nanotubes is successfully synthesized, delivering much higher catalytic activity and better stability toward methanol electrooxidation than PtAg bimetallic nanoparticles and commercial Pt/C catalysts. Theoretical studies reveal that the Pt skin on PtAg bimetallic nanotubes prominently optimize the electronic structure of Pt to greatly enhance the dissociative adsorption of methanol while increasing CO poisoning resistance for fast electrode kinetics, high catalytic current density and stability. This work offers a low Pt loading but highly active anode catalyst for direct methanol fuel cells, demonstrating that rationally tuning the electronic structure by well-controlling surface morphology in nanoscales could open new opportunities to greatly improve the electrocatalytic properties. |
| doi_str_mv | 10.1016/j.apcatb.2020.118606 |
| format | Article |
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•Pt-skinned PtAg bimetallic nanotubes with the Pt skin as thin as 1.5 nm are prepared.•The electronic structure of Pt in PtAgNTs is prominently optimized by Pt skin.•The dissociation of methanol molecules is highly enhanced by PtAgNTs.•PtAgNTs could reduce the adsorption energy of CO molecules.•PtAgNTs/C show much higher catalytic activity and stability than commercial Pt/C.
The modification of electronic structure can significantly affect electrocatalytic activity. An architecture art of Pt-skinned PtAg bimetallic nanotubes is successfully synthesized, delivering much higher catalytic activity and better stability toward methanol electrooxidation than PtAg bimetallic nanoparticles and commercial Pt/C catalysts. Theoretical studies reveal that the Pt skin on PtAg bimetallic nanotubes prominently optimize the electronic structure of Pt to greatly enhance the dissociative adsorption of methanol while increasing CO poisoning resistance for fast electrode kinetics, high catalytic current density and stability. This work offers a low Pt loading but highly active anode catalyst for direct methanol fuel cells, demonstrating that rationally tuning the electronic structure by well-controlling surface morphology in nanoscales could open new opportunities to greatly improve the electrocatalytic properties.</description><identifier>ISSN: 0926-3373</identifier><identifier>EISSN: 1873-3883</identifier><identifier>DOI: 10.1016/j.apcatb.2020.118606</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Bimetals ; Catalysts ; Catalytic activity ; Chemical synthesis ; Cytology ; Electronic structure ; Electronic structure modification ; Electrons ; Fuel cells ; Fuel technology ; Intermetallic compounds ; Methanol ; Methanol oxidation reaction ; Morphology ; Nanoparticles ; Nanotechnology ; Nanotubes ; Pt skin ; PtAg alloy ; Reaction kinetics ; Stability ; Tuning</subject><ispartof>Applied catalysis. B, Environmental, 2020-05, Vol.265, p.118606, Article 118606</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright Elsevier BV May 15, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-22d13bf087fd0e838655e5d6539cbc3d926d55688f0b4501c145824ef0c4a6063</citedby><cites>FETCH-LOGICAL-c334t-22d13bf087fd0e838655e5d6539cbc3d926d55688f0b4501c145824ef0c4a6063</cites><orcidid>0000-0002-4041-2574 ; 0000-0002-2281-6794</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apcatb.2020.118606$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Ouyang, Yirui</creatorcontrib><creatorcontrib>Cao, Haijie</creatorcontrib><creatorcontrib>Wu, Huijie</creatorcontrib><creatorcontrib>Wu, Diben</creatorcontrib><creatorcontrib>Wang, Fengqian</creatorcontrib><creatorcontrib>Fan, Xiaojing</creatorcontrib><creatorcontrib>Yuan, Weiyong</creatorcontrib><creatorcontrib>He, Maoxia</creatorcontrib><creatorcontrib>Zhang, Lian Ying</creatorcontrib><creatorcontrib>Li, Chang Ming</creatorcontrib><title>Tuning Pt-skinned PtAg nanotubes in nanoscales to efficiently modify electronic structure for boosting performance of methanol electrooxidation</title><title>Applied catalysis. B, Environmental</title><description>[Display omitted]
•Pt-skinned PtAg bimetallic nanotubes with the Pt skin as thin as 1.5 nm are prepared.•The electronic structure of Pt in PtAgNTs is prominently optimized by Pt skin.•The dissociation of methanol molecules is highly enhanced by PtAgNTs.•PtAgNTs could reduce the adsorption energy of CO molecules.•PtAgNTs/C show much higher catalytic activity and stability than commercial Pt/C.
The modification of electronic structure can significantly affect electrocatalytic activity. An architecture art of Pt-skinned PtAg bimetallic nanotubes is successfully synthesized, delivering much higher catalytic activity and better stability toward methanol electrooxidation than PtAg bimetallic nanoparticles and commercial Pt/C catalysts. Theoretical studies reveal that the Pt skin on PtAg bimetallic nanotubes prominently optimize the electronic structure of Pt to greatly enhance the dissociative adsorption of methanol while increasing CO poisoning resistance for fast electrode kinetics, high catalytic current density and stability. This work offers a low Pt loading but highly active anode catalyst for direct methanol fuel cells, demonstrating that rationally tuning the electronic structure by well-controlling surface morphology in nanoscales could open new opportunities to greatly improve the electrocatalytic properties.</description><subject>Bimetals</subject><subject>Catalysts</subject><subject>Catalytic activity</subject><subject>Chemical synthesis</subject><subject>Cytology</subject><subject>Electronic structure</subject><subject>Electronic structure modification</subject><subject>Electrons</subject><subject>Fuel cells</subject><subject>Fuel technology</subject><subject>Intermetallic compounds</subject><subject>Methanol</subject><subject>Methanol oxidation reaction</subject><subject>Morphology</subject><subject>Nanoparticles</subject><subject>Nanotechnology</subject><subject>Nanotubes</subject><subject>Pt skin</subject><subject>PtAg alloy</subject><subject>Reaction kinetics</subject><subject>Stability</subject><subject>Tuning</subject><issn>0926-3373</issn><issn>1873-3883</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kM1uGyEUhVGVSnXcvkEXSF2Py88MxptIlpWfSpaShbtGDFxcnDG4wETxU_SVizvNNqt7D7rnoPMh9JWSBSVUfD8s9Mno0i8YYfWJSkHEBzSjcskbLiW_QjOyYqLhfMk_oeucD4QQxpmcoT-7Mfiwx0-lyc8-BLB1Xe9x0CGWsYeMffgnstFDVSVicM4bD6EMZ3yM1rszhgFMSTF4g3NJoyljAuxiwn2MuVzyT5CqPupgAEeHj1B-1dDhzRlfvdXFx_AZfXR6yPDl_5yjn3e3u81Ds328_7FZbxvDeVsaxizlvSNy6SwByaXoOuis6PjK9Ibb2tZ2nZDSkb7tCDW07SRrwRHT6kqHz9G3KfeU4u8RclGHOKZQv1SMC7YSQrZtvWqnK5NizgmcOiV_1OmsKFEX9OqgJvTqgl5N6KvtZrJBbfDiIal8AWbA-lTrKhv9-wF_ARI6kX4</recordid><startdate>20200515</startdate><enddate>20200515</enddate><creator>Ouyang, Yirui</creator><creator>Cao, Haijie</creator><creator>Wu, Huijie</creator><creator>Wu, Diben</creator><creator>Wang, Fengqian</creator><creator>Fan, Xiaojing</creator><creator>Yuan, Weiyong</creator><creator>He, Maoxia</creator><creator>Zhang, Lian Ying</creator><creator>Li, Chang Ming</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-4041-2574</orcidid><orcidid>https://orcid.org/0000-0002-2281-6794</orcidid></search><sort><creationdate>20200515</creationdate><title>Tuning Pt-skinned PtAg nanotubes in nanoscales to efficiently modify electronic structure for boosting performance of methanol electrooxidation</title><author>Ouyang, Yirui ; Cao, Haijie ; Wu, Huijie ; Wu, Diben ; Wang, Fengqian ; Fan, Xiaojing ; Yuan, Weiyong ; He, Maoxia ; Zhang, Lian Ying ; Li, Chang Ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-22d13bf087fd0e838655e5d6539cbc3d926d55688f0b4501c145824ef0c4a6063</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Bimetals</topic><topic>Catalysts</topic><topic>Catalytic activity</topic><topic>Chemical synthesis</topic><topic>Cytology</topic><topic>Electronic structure</topic><topic>Electronic structure modification</topic><topic>Electrons</topic><topic>Fuel cells</topic><topic>Fuel technology</topic><topic>Intermetallic compounds</topic><topic>Methanol</topic><topic>Methanol oxidation reaction</topic><topic>Morphology</topic><topic>Nanoparticles</topic><topic>Nanotechnology</topic><topic>Nanotubes</topic><topic>Pt skin</topic><topic>PtAg alloy</topic><topic>Reaction kinetics</topic><topic>Stability</topic><topic>Tuning</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ouyang, Yirui</creatorcontrib><creatorcontrib>Cao, Haijie</creatorcontrib><creatorcontrib>Wu, Huijie</creatorcontrib><creatorcontrib>Wu, Diben</creatorcontrib><creatorcontrib>Wang, Fengqian</creatorcontrib><creatorcontrib>Fan, Xiaojing</creatorcontrib><creatorcontrib>Yuan, Weiyong</creatorcontrib><creatorcontrib>He, Maoxia</creatorcontrib><creatorcontrib>Zhang, Lian Ying</creatorcontrib><creatorcontrib>Li, Chang Ming</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Applied catalysis. B, Environmental</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ouyang, Yirui</au><au>Cao, Haijie</au><au>Wu, Huijie</au><au>Wu, Diben</au><au>Wang, Fengqian</au><au>Fan, Xiaojing</au><au>Yuan, Weiyong</au><au>He, Maoxia</au><au>Zhang, Lian Ying</au><au>Li, Chang Ming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tuning Pt-skinned PtAg nanotubes in nanoscales to efficiently modify electronic structure for boosting performance of methanol electrooxidation</atitle><jtitle>Applied catalysis. B, Environmental</jtitle><date>2020-05-15</date><risdate>2020</risdate><volume>265</volume><spage>118606</spage><pages>118606-</pages><artnum>118606</artnum><issn>0926-3373</issn><eissn>1873-3883</eissn><abstract>[Display omitted]
•Pt-skinned PtAg bimetallic nanotubes with the Pt skin as thin as 1.5 nm are prepared.•The electronic structure of Pt in PtAgNTs is prominently optimized by Pt skin.•The dissociation of methanol molecules is highly enhanced by PtAgNTs.•PtAgNTs could reduce the adsorption energy of CO molecules.•PtAgNTs/C show much higher catalytic activity and stability than commercial Pt/C.
The modification of electronic structure can significantly affect electrocatalytic activity. An architecture art of Pt-skinned PtAg bimetallic nanotubes is successfully synthesized, delivering much higher catalytic activity and better stability toward methanol electrooxidation than PtAg bimetallic nanoparticles and commercial Pt/C catalysts. Theoretical studies reveal that the Pt skin on PtAg bimetallic nanotubes prominently optimize the electronic structure of Pt to greatly enhance the dissociative adsorption of methanol while increasing CO poisoning resistance for fast electrode kinetics, high catalytic current density and stability. This work offers a low Pt loading but highly active anode catalyst for direct methanol fuel cells, demonstrating that rationally tuning the electronic structure by well-controlling surface morphology in nanoscales could open new opportunities to greatly improve the electrocatalytic properties.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.apcatb.2020.118606</doi><orcidid>https://orcid.org/0000-0002-4041-2574</orcidid><orcidid>https://orcid.org/0000-0002-2281-6794</orcidid></addata></record> |
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| subjects | Bimetals Catalysts Catalytic activity Chemical synthesis Cytology Electronic structure Electronic structure modification Electrons Fuel cells Fuel technology Intermetallic compounds Methanol Methanol oxidation reaction Morphology Nanoparticles Nanotechnology Nanotubes Pt skin PtAg alloy Reaction kinetics Stability Tuning |
| title | Tuning Pt-skinned PtAg nanotubes in nanoscales to efficiently modify electronic structure for boosting performance of methanol electrooxidation |
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