Core-shell PdPb@Pd aerogels with multiply-twinned intermetallic nanostructures: facile synthesis with accelerated gelation kinetics and their enhanced electrocatalytic properties
Delicately engineering well-defined noble metal aerogels with favorable structural and compositional features is of vital importance for wide applications. Here, we reported a one-pot and facile method for synthesizing core-shell PdPb@Pd hydrogels/aerogels with multiply-twinned grains and an ordered...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2018, Vol.6 (17), p.7517-7521 |
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| container_issue | 17 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
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| creator | Zhu, Chengzhou Shi, Qiurong Fu, Shaofang Song, Junhua Du, Dan Su, Dong Engelhard, Mark H Lin, Yuehe |
| description | Delicately engineering well-defined noble metal aerogels with favorable structural and compositional features is of vital importance for wide applications. Here, we reported a one-pot and facile method for synthesizing core-shell PdPb@Pd hydrogels/aerogels with multiply-twinned grains and an ordered intermetallic phase using sodium hypophosphite as a multifunctional reducing agent. Due to the accelerated gelation kinetics induced by increased reaction temperature and the specific function of sodium hypophosphite, the formation of hydrogels can be completed within 4 h. Owing to their unique porous structure and favorable geometric and electronic effects, the optimized PdPb@Pd aerogels exhibit enhanced electrochemical performance towards ethylene glycol oxidation with a mass activity of 5.8 times higher than Pd black.
Core-shell PdPb@Pd aerogels with multiply-twinned grains and an ordered intermetallic phase was synthesized, which exhibited good electrocatalytic activity towards ethanol oxidation. |
| doi_str_mv | 10.1039/c7ta11233e |
| format | Article |
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Core-shell PdPb@Pd aerogels with multiply-twinned grains and an ordered intermetallic phase was synthesized, which exhibited good electrocatalytic activity towards ethanol oxidation.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/c7ta11233e</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Aerogel ; Aerogels ; Electrocatalysis ; Electrochemical analysis ; Electrochemistry ; Ethylene glycol ; Gelation ; Hydrogels ; INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY ; Intermetallic phases ; Kinetics ; Nanostructure ; Noble metals ; Oxidation ; Palladium ; PdPb@Pd ; Reaction kinetics ; Reducing agents ; Sodium</subject><ispartof>Journal of materials chemistry. A, Materials for energy and sustainability, 2018, Vol.6 (17), p.7517-7521</ispartof><rights>Copyright Royal Society of Chemistry 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c296e-c2bfeed268bd89c618a6a4f29547ac26dc927f7cbd9253acafd6dd90ab50abaf3</citedby><cites>FETCH-LOGICAL-c296e-c2bfeed268bd89c618a6a4f29547ac26dc927f7cbd9253acafd6dd90ab50abaf3</cites><orcidid>0000-0003-0679-7965 ; 0000-0002-7871-6573 ; 0000-0002-5543-0812 ; 0000-0003-2152-675X ; 0000-0002-3912-1649 ; 0000-0002-1921-6683 ; 0000000278716573 ; 000000032152675X ; 0000000306797965 ; 0000000239121649 ; 0000000219216683 ; 0000000255430812</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,4023,27922,27923,27924</link.rule.ids><backlink>$$Uhttps://www.osti.gov/servlets/purl/1433968$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhu, Chengzhou</creatorcontrib><creatorcontrib>Shi, Qiurong</creatorcontrib><creatorcontrib>Fu, Shaofang</creatorcontrib><creatorcontrib>Song, Junhua</creatorcontrib><creatorcontrib>Du, Dan</creatorcontrib><creatorcontrib>Su, Dong</creatorcontrib><creatorcontrib>Engelhard, Mark H</creatorcontrib><creatorcontrib>Lin, Yuehe</creatorcontrib><creatorcontrib>Brookhaven National Lab. (BNL), Upton, NY (United States)</creatorcontrib><title>Core-shell PdPb@Pd aerogels with multiply-twinned intermetallic nanostructures: facile synthesis with accelerated gelation kinetics and their enhanced electrocatalytic properties</title><title>Journal of materials chemistry. A, Materials for energy and sustainability</title><description>Delicately engineering well-defined noble metal aerogels with favorable structural and compositional features is of vital importance for wide applications. Here, we reported a one-pot and facile method for synthesizing core-shell PdPb@Pd hydrogels/aerogels with multiply-twinned grains and an ordered intermetallic phase using sodium hypophosphite as a multifunctional reducing agent. Due to the accelerated gelation kinetics induced by increased reaction temperature and the specific function of sodium hypophosphite, the formation of hydrogels can be completed within 4 h. Owing to their unique porous structure and favorable geometric and electronic effects, the optimized PdPb@Pd aerogels exhibit enhanced electrochemical performance towards ethylene glycol oxidation with a mass activity of 5.8 times higher than Pd black.
Core-shell PdPb@Pd aerogels with multiply-twinned grains and an ordered intermetallic phase was synthesized, which exhibited good electrocatalytic activity towards ethanol oxidation.</description><subject>Aerogel</subject><subject>Aerogels</subject><subject>Electrocatalysis</subject><subject>Electrochemical analysis</subject><subject>Electrochemistry</subject><subject>Ethylene glycol</subject><subject>Gelation</subject><subject>Hydrogels</subject><subject>INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY</subject><subject>Intermetallic phases</subject><subject>Kinetics</subject><subject>Nanostructure</subject><subject>Noble metals</subject><subject>Oxidation</subject><subject>Palladium</subject><subject>PdPb@Pd</subject><subject>Reaction kinetics</subject><subject>Reducing agents</subject><subject>Sodium</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpF0U9rFDEUAPBBLFjaXrwLQW_C1Eyym0k8WZbaCoXuoZ6HNy9vnNRssiYZyn4tP6HRLTWQP4df3nvJa5q3Hb_suDSfsC_QdUJKetWcCr7mbb8y6vXLWes3zUXOj7wOzbky5rT5vYmJ2jyT92xrt-OXrWVAKf4gn9mTKzPbLb64vT-05cmFQJa5UCjtqID3DlmAEHNJC5YlUf7MJkDnieVDKDNl9xwEEMlTglLv19BQXAzspwtUHGYGwbKqXWIUZghYUdVYUkSoaQ4VsX2Ke0rFUT5vTibwmS6e97Pm-9frh81te3d_821zddeiMIrqOk5EVig9Wm1QdRoUrCZh1qseUCiLRvRTj6M1Yi0BYbLKWsNhXNcJkzxr3h_j1ve5IaMrhDPG-gdYhm4lpVG6og9HVOv7tVAuw2NcUqh1DYJLobnQSlT18agwxZwTTcM-uR2kw9Dx4W_vhk3_cPWvd9cVvzvilPHF_e-t_AN17Jx1</recordid><startdate>2018</startdate><enddate>2018</enddate><creator>Zhu, Chengzhou</creator><creator>Shi, Qiurong</creator><creator>Fu, Shaofang</creator><creator>Song, Junhua</creator><creator>Du, Dan</creator><creator>Su, Dong</creator><creator>Engelhard, Mark H</creator><creator>Lin, Yuehe</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>JG9</scope><scope>L7M</scope><scope>SOI</scope><scope>OIOZB</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0003-0679-7965</orcidid><orcidid>https://orcid.org/0000-0002-7871-6573</orcidid><orcidid>https://orcid.org/0000-0002-5543-0812</orcidid><orcidid>https://orcid.org/0000-0003-2152-675X</orcidid><orcidid>https://orcid.org/0000-0002-3912-1649</orcidid><orcidid>https://orcid.org/0000-0002-1921-6683</orcidid><orcidid>https://orcid.org/0000000278716573</orcidid><orcidid>https://orcid.org/000000032152675X</orcidid><orcidid>https://orcid.org/0000000306797965</orcidid><orcidid>https://orcid.org/0000000239121649</orcidid><orcidid>https://orcid.org/0000000219216683</orcidid><orcidid>https://orcid.org/0000000255430812</orcidid></search><sort><creationdate>2018</creationdate><title>Core-shell PdPb@Pd aerogels with multiply-twinned intermetallic nanostructures: facile synthesis with accelerated gelation kinetics and their enhanced electrocatalytic properties</title><author>Zhu, Chengzhou ; Shi, Qiurong ; Fu, Shaofang ; Song, Junhua ; Du, Dan ; Su, Dong ; Engelhard, Mark H ; Lin, Yuehe</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c296e-c2bfeed268bd89c618a6a4f29547ac26dc927f7cbd9253acafd6dd90ab50abaf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Aerogel</topic><topic>Aerogels</topic><topic>Electrocatalysis</topic><topic>Electrochemical analysis</topic><topic>Electrochemistry</topic><topic>Ethylene glycol</topic><topic>Gelation</topic><topic>Hydrogels</topic><topic>INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY</topic><topic>Intermetallic phases</topic><topic>Kinetics</topic><topic>Nanostructure</topic><topic>Noble metals</topic><topic>Oxidation</topic><topic>Palladium</topic><topic>PdPb@Pd</topic><topic>Reaction kinetics</topic><topic>Reducing agents</topic><topic>Sodium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhu, Chengzhou</creatorcontrib><creatorcontrib>Shi, Qiurong</creatorcontrib><creatorcontrib>Fu, Shaofang</creatorcontrib><creatorcontrib>Song, Junhua</creatorcontrib><creatorcontrib>Du, Dan</creatorcontrib><creatorcontrib>Su, Dong</creatorcontrib><creatorcontrib>Engelhard, Mark H</creatorcontrib><creatorcontrib>Lin, Yuehe</creatorcontrib><creatorcontrib>Brookhaven National Lab. (BNL), Upton, NY (United States)</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</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>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhu, Chengzhou</au><au>Shi, Qiurong</au><au>Fu, Shaofang</au><au>Song, Junhua</au><au>Du, Dan</au><au>Su, Dong</au><au>Engelhard, Mark H</au><au>Lin, Yuehe</au><aucorp>Brookhaven National Lab. (BNL), Upton, NY (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Core-shell PdPb@Pd aerogels with multiply-twinned intermetallic nanostructures: facile synthesis with accelerated gelation kinetics and their enhanced electrocatalytic properties</atitle><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle><date>2018</date><risdate>2018</risdate><volume>6</volume><issue>17</issue><spage>7517</spage><epage>7521</epage><pages>7517-7521</pages><issn>2050-7488</issn><eissn>2050-7496</eissn><abstract>Delicately engineering well-defined noble metal aerogels with favorable structural and compositional features is of vital importance for wide applications. Here, we reported a one-pot and facile method for synthesizing core-shell PdPb@Pd hydrogels/aerogels with multiply-twinned grains and an ordered intermetallic phase using sodium hypophosphite as a multifunctional reducing agent. Due to the accelerated gelation kinetics induced by increased reaction temperature and the specific function of sodium hypophosphite, the formation of hydrogels can be completed within 4 h. Owing to their unique porous structure and favorable geometric and electronic effects, the optimized PdPb@Pd aerogels exhibit enhanced electrochemical performance towards ethylene glycol oxidation with a mass activity of 5.8 times higher than Pd black.
Core-shell PdPb@Pd aerogels with multiply-twinned grains and an ordered intermetallic phase was synthesized, which exhibited good electrocatalytic activity towards ethanol oxidation.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/c7ta11233e</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-0679-7965</orcidid><orcidid>https://orcid.org/0000-0002-7871-6573</orcidid><orcidid>https://orcid.org/0000-0002-5543-0812</orcidid><orcidid>https://orcid.org/0000-0003-2152-675X</orcidid><orcidid>https://orcid.org/0000-0002-3912-1649</orcidid><orcidid>https://orcid.org/0000-0002-1921-6683</orcidid><orcidid>https://orcid.org/0000000278716573</orcidid><orcidid>https://orcid.org/000000032152675X</orcidid><orcidid>https://orcid.org/0000000306797965</orcidid><orcidid>https://orcid.org/0000000239121649</orcidid><orcidid>https://orcid.org/0000000219216683</orcidid><orcidid>https://orcid.org/0000000255430812</orcidid><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 2050-7488 |
| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2018, Vol.6 (17), p.7517-7521 |
| issn | 2050-7488 2050-7496 |
| language | eng |
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| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Aerogel Aerogels Electrocatalysis Electrochemical analysis Electrochemistry Ethylene glycol Gelation Hydrogels INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY Intermetallic phases Kinetics Nanostructure Noble metals Oxidation Palladium PdPb@Pd Reaction kinetics Reducing agents Sodium |
| title | Core-shell PdPb@Pd aerogels with multiply-twinned intermetallic nanostructures: facile synthesis with accelerated gelation kinetics and their enhanced electrocatalytic properties |
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