Glycine-Mediated Syntheses of Pt Concave Nanocubes with High-Index {hk0} Facets and Their Enhanced Electrocatalytic Activities
Metal nanocrystals with high-index facets (HIFs) have drawn significant attention for their superior catalysis activity compared to that of low-index faces. However, because of the high surface energy of HIFs, it is still challenging to preserve HIFs during the growth of nanocrystals. In this study,...
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| Veröffentlicht in: | Langmuir 2012-10, Vol.28 (42), p.14845-14848 |
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| creator | Zhang, Zhi-cheng Hui, Jun-feng Liu, Zhi-Chang Zhang, Xin Zhuang, Jing Wang, Xun |
| description | Metal nanocrystals with high-index facets (HIFs) have drawn significant attention for their superior catalysis activity compared to that of low-index faces. However, because of the high surface energy of HIFs, it is still challenging to preserve HIFs during the growth of nanocrystals. In this study, highly selective Pt concave nanocubes (CNCs) with high-index {hk0} facets have been successfully prepared in a simple aqueous solution. The vital role of glycine as the surface controller in the formation of CNCs was demonstrated. These Pt CNCs exhibited enhanced specific activities toward the electro-oxidation of methanol and formic acid in comparison to commercial Pt black and Pt/C catalysts. |
| doi_str_mv | 10.1021/la302973r |
| format | Article |
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However, because of the high surface energy of HIFs, it is still challenging to preserve HIFs during the growth of nanocrystals. In this study, highly selective Pt concave nanocubes (CNCs) with high-index {hk0} facets have been successfully prepared in a simple aqueous solution. The vital role of glycine as the surface controller in the formation of CNCs was demonstrated. These Pt CNCs exhibited enhanced specific activities toward the electro-oxidation of methanol and formic acid in comparison to commercial Pt black and Pt/C catalysts.</description><identifier>ISSN: 0743-7463</identifier><identifier>EISSN: 1520-5827</identifier><identifier>DOI: 10.1021/la302973r</identifier><identifier>PMID: 23046108</identifier><identifier>CODEN: LANGD5</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Catalysis ; Chemistry ; Electrochemical Techniques ; Electrochemistry ; Exact sciences and technology ; General and physical chemistry ; Glycine - chemistry ; Kinetics and mechanism of reactions ; Metal Nanoparticles - chemistry ; Particle Size ; Platinum - chemistry ; Surface Properties ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><ispartof>Langmuir, 2012-10, Vol.28 (42), p.14845-14848</ispartof><rights>Copyright © 2012 American Chemical Society</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a345t-27df11f69f6d2e9b84d94131a9d7733a35f74b9c833f81a34d07ce0f4c34abd43</citedby><cites>FETCH-LOGICAL-a345t-27df11f69f6d2e9b84d94131a9d7733a35f74b9c833f81a34d07ce0f4c34abd43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/la302973r$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/la302973r$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,2765,27076,27924,27925,56738,56788</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26507379$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23046108$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Zhi-cheng</creatorcontrib><creatorcontrib>Hui, Jun-feng</creatorcontrib><creatorcontrib>Liu, Zhi-Chang</creatorcontrib><creatorcontrib>Zhang, Xin</creatorcontrib><creatorcontrib>Zhuang, Jing</creatorcontrib><creatorcontrib>Wang, Xun</creatorcontrib><title>Glycine-Mediated Syntheses of Pt Concave Nanocubes with High-Index {hk0} Facets and Their Enhanced Electrocatalytic Activities</title><title>Langmuir</title><addtitle>Langmuir</addtitle><description>Metal nanocrystals with high-index facets (HIFs) have drawn significant attention for their superior catalysis activity compared to that of low-index faces. However, because of the high surface energy of HIFs, it is still challenging to preserve HIFs during the growth of nanocrystals. In this study, highly selective Pt concave nanocubes (CNCs) with high-index {hk0} facets have been successfully prepared in a simple aqueous solution. The vital role of glycine as the surface controller in the formation of CNCs was demonstrated. These Pt CNCs exhibited enhanced specific activities toward the electro-oxidation of methanol and formic acid in comparison to commercial Pt black and Pt/C catalysts.</description><subject>Catalysis</subject><subject>Chemistry</subject><subject>Electrochemical Techniques</subject><subject>Electrochemistry</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Glycine - chemistry</subject><subject>Kinetics and mechanism of reactions</subject><subject>Metal Nanoparticles - chemistry</subject><subject>Particle Size</subject><subject>Platinum - chemistry</subject><subject>Surface Properties</subject><subject>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><issn>0743-7463</issn><issn>1520-5827</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpt0Etv1DAUhmELgei0sOAPIG-QYBGwc5w4WVaj6UUqF4myjk7sY-KScYrtFEYV_HaCOrQbVpasx5-ll7EXUryVopTvRgRRthriI7aSVSmKqin1Y7YSWkGhVQ0H7DClKyFEC6p9yg5KEKqWolmx36fjzvhAxXuyHjNZ_nkX8kCJEp8c_5T5egoGb4h_wDCZuV_uf_g88DP_dSjOg6Wf_Hb4Jn7xEzSUE8dg-eVAPvJNGDCYZXEzkslxMphx3GVv-LHJ_sZnT-kZe-JwTPR8fx6xLyeby_VZcfHx9Hx9fFEgqCoXpbZOSle3rrYltX2jbKskSGyt1gAIldOqb00D4Bq5vLFCGxJOGVDYWwVH7PXd7nWcvs-Ucrf1ydA4YqBpTp2UshI1ANQLfXNHTZxSiuS66-i3GHedFN3f3N197sW-3M_O_ZbsvfzXdwGv9gCTwdHFpYhPD66uhAbdPjg0qbua5hiWGv_58A_gBJQF</recordid><startdate>20121023</startdate><enddate>20121023</enddate><creator>Zhang, Zhi-cheng</creator><creator>Hui, Jun-feng</creator><creator>Liu, Zhi-Chang</creator><creator>Zhang, Xin</creator><creator>Zhuang, Jing</creator><creator>Wang, Xun</creator><general>American Chemical Society</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20121023</creationdate><title>Glycine-Mediated Syntheses of Pt Concave Nanocubes with High-Index {hk0} Facets and Their Enhanced Electrocatalytic Activities</title><author>Zhang, Zhi-cheng ; Hui, Jun-feng ; Liu, Zhi-Chang ; Zhang, Xin ; Zhuang, Jing ; Wang, Xun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a345t-27df11f69f6d2e9b84d94131a9d7733a35f74b9c833f81a34d07ce0f4c34abd43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Catalysis</topic><topic>Chemistry</topic><topic>Electrochemical Techniques</topic><topic>Electrochemistry</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Glycine - chemistry</topic><topic>Kinetics and mechanism of reactions</topic><topic>Metal Nanoparticles - chemistry</topic><topic>Particle Size</topic><topic>Platinum - chemistry</topic><topic>Surface Properties</topic><topic>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Zhi-cheng</creatorcontrib><creatorcontrib>Hui, Jun-feng</creatorcontrib><creatorcontrib>Liu, Zhi-Chang</creatorcontrib><creatorcontrib>Zhang, Xin</creatorcontrib><creatorcontrib>Zhuang, Jing</creatorcontrib><creatorcontrib>Wang, Xun</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Langmuir</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Zhi-cheng</au><au>Hui, Jun-feng</au><au>Liu, Zhi-Chang</au><au>Zhang, Xin</au><au>Zhuang, Jing</au><au>Wang, Xun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Glycine-Mediated Syntheses of Pt Concave Nanocubes with High-Index {hk0} Facets and Their Enhanced Electrocatalytic Activities</atitle><jtitle>Langmuir</jtitle><addtitle>Langmuir</addtitle><date>2012-10-23</date><risdate>2012</risdate><volume>28</volume><issue>42</issue><spage>14845</spage><epage>14848</epage><pages>14845-14848</pages><issn>0743-7463</issn><eissn>1520-5827</eissn><coden>LANGD5</coden><abstract>Metal nanocrystals with high-index facets (HIFs) have drawn significant attention for their superior catalysis activity compared to that of low-index faces. However, because of the high surface energy of HIFs, it is still challenging to preserve HIFs during the growth of nanocrystals. In this study, highly selective Pt concave nanocubes (CNCs) with high-index {hk0} facets have been successfully prepared in a simple aqueous solution. The vital role of glycine as the surface controller in the formation of CNCs was demonstrated. These Pt CNCs exhibited enhanced specific activities toward the electro-oxidation of methanol and formic acid in comparison to commercial Pt black and Pt/C catalysts.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>23046108</pmid><doi>10.1021/la302973r</doi><tpages>4</tpages></addata></record> |
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| subjects | Catalysis Chemistry Electrochemical Techniques Electrochemistry Exact sciences and technology General and physical chemistry Glycine - chemistry Kinetics and mechanism of reactions Metal Nanoparticles - chemistry Particle Size Platinum - chemistry Surface Properties Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry |
| title | Glycine-Mediated Syntheses of Pt Concave Nanocubes with High-Index {hk0} Facets and Their Enhanced Electrocatalytic Activities |
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