Boron doped graphene wrapped silver nanowires as an efficient electrocatalyst for molecular oxygen reduction
Metal nanowires exhibit unusually high catalytic activity towards oxygen reduction reaction (ORR) due to their inherent electronic structures. However, controllable synthesis of stable nanowires still remains as a daunting challenge. Herein, we report the in situ synthesis of silver nanowires (AgNWs...
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| Veröffentlicht in: | Scientific reports 2016-12, Vol.6 (1), p.37731-37731, Article 37731 |
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| creator | Nair, Anju K. Thazhe veettil, Vineesh Kalarikkal, Nandakumar Thomas, Sabu Kala, M. S. Sahajwalla, Veena Joshi, Rakesh K. Alwarappan, Subbiah |
| description | Metal nanowires exhibit unusually high catalytic activity towards oxygen reduction reaction (ORR) due to their inherent electronic structures. However, controllable synthesis of stable nanowires still remains as a daunting challenge. Herein, we report the
in situ
synthesis of silver nanowires (AgNWs) over boron doped graphene sheets (BG) and demonstrated its efficient electrocatalytic activity towards ORR for the first time. The electrocatalytic ORR efficacy of BG-AgNW is studied using various voltammetric techniques. The BG wrapped AgNWs shows excellent ORR activity, with very high onset potential and current density and it followed four electron transfer mechanism with high methanol tolerance and stability towards ORR. The results are comparable to the commercially available 20% Pt/C in terms of performance. |
| doi_str_mv | 10.1038/srep37731 |
| format | Article |
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in situ
synthesis of silver nanowires (AgNWs) over boron doped graphene sheets (BG) and demonstrated its efficient electrocatalytic activity towards ORR for the first time. The electrocatalytic ORR efficacy of BG-AgNW is studied using various voltammetric techniques. The BG wrapped AgNWs shows excellent ORR activity, with very high onset potential and current density and it followed four electron transfer mechanism with high methanol tolerance and stability towards ORR. The results are comparable to the commercially available 20% Pt/C in terms of performance.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/srep37731</identifier><identifier>PMID: 27941954</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>140/133 ; 639/301/299 ; 639/301/299/886 ; Boron ; Chemical reduction ; Electron transfer ; Humanities and Social Sciences ; Methanol ; multidisciplinary ; Nanotechnology ; Nanowires ; Oxygen ; Science ; Silver</subject><ispartof>Scientific reports, 2016-12, Vol.6 (1), p.37731-37731, Article 37731</ispartof><rights>The Author(s) 2016</rights><rights>Copyright Nature Publishing Group Dec 2016</rights><rights>Copyright © 2016, The Author(s) 2016 The Author(s)</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c438t-79f03f722926eab33e8e7723c75f365496cd3a1381d431cf749579629a8f98c93</citedby><cites>FETCH-LOGICAL-c438t-79f03f722926eab33e8e7723c75f365496cd3a1381d431cf749579629a8f98c93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5150258/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5150258/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,41120,42189,51576,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27941954$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nair, Anju K.</creatorcontrib><creatorcontrib>Thazhe veettil, Vineesh</creatorcontrib><creatorcontrib>Kalarikkal, Nandakumar</creatorcontrib><creatorcontrib>Thomas, Sabu</creatorcontrib><creatorcontrib>Kala, M. S.</creatorcontrib><creatorcontrib>Sahajwalla, Veena</creatorcontrib><creatorcontrib>Joshi, Rakesh K.</creatorcontrib><creatorcontrib>Alwarappan, Subbiah</creatorcontrib><title>Boron doped graphene wrapped silver nanowires as an efficient electrocatalyst for molecular oxygen reduction</title><title>Scientific reports</title><addtitle>Sci Rep</addtitle><addtitle>Sci Rep</addtitle><description>Metal nanowires exhibit unusually high catalytic activity towards oxygen reduction reaction (ORR) due to their inherent electronic structures. However, controllable synthesis of stable nanowires still remains as a daunting challenge. Herein, we report the
in situ
synthesis of silver nanowires (AgNWs) over boron doped graphene sheets (BG) and demonstrated its efficient electrocatalytic activity towards ORR for the first time. The electrocatalytic ORR efficacy of BG-AgNW is studied using various voltammetric techniques. The BG wrapped AgNWs shows excellent ORR activity, with very high onset potential and current density and it followed four electron transfer mechanism with high methanol tolerance and stability towards ORR. The results are comparable to the commercially available 20% Pt/C in terms of performance.</description><subject>140/133</subject><subject>639/301/299</subject><subject>639/301/299/886</subject><subject>Boron</subject><subject>Chemical reduction</subject><subject>Electron transfer</subject><subject>Humanities and Social Sciences</subject><subject>Methanol</subject><subject>multidisciplinary</subject><subject>Nanotechnology</subject><subject>Nanowires</subject><subject>Oxygen</subject><subject>Science</subject><subject>Silver</subject><issn>2045-2322</issn><issn>2045-2322</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNplkV9rXCEQxaW0NCHNQ79AEfrSFja5OtdVXwpp6J9AIC_tsxjvuDG4eqv3Jt1vX5dNl20rgoeZH2dGDiGvWXfGOlDnteAIUgJ7Ro5514sFB86fH-gjclrrfdeO4Lpn-iU54nIrRH9M4qdccqJDHnGgq2LHO0xIH5vYFmqID1hosik_hoKV2nYTRe-DC5gmihHdVLKzk42bOlGfC13nVpyjLTT_2qww0YLD7KaQ0yvywttY8fTpPSE_vnz-fvltcX3z9ery4nrhelDTQmrfgZeca75EewuACqXk4KTwsBS9XroBLAPFhh6Y87LXQuol11Z5rZyGE_Jx5zvOt2scXNu02GjGEta2bEy2wfzdSeHOrPKDEUx0XKhm8O7JoOSfM9bJrEN1GKNNmOdqmBKMK9AcGvr2H_Q-zyW17zVKa5CKCdao9zvKlVxbYn6_DOvMNkazj7Gxbw6335N_QmvAhx1QWyutsByM_M_tN48yqGA</recordid><startdate>20161212</startdate><enddate>20161212</enddate><creator>Nair, Anju K.</creator><creator>Thazhe veettil, Vineesh</creator><creator>Kalarikkal, Nandakumar</creator><creator>Thomas, Sabu</creator><creator>Kala, M. S.</creator><creator>Sahajwalla, Veena</creator><creator>Joshi, Rakesh K.</creator><creator>Alwarappan, Subbiah</creator><general>Nature Publishing Group UK</general><general>Nature Publishing Group</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20161212</creationdate><title>Boron doped graphene wrapped silver nanowires as an efficient electrocatalyst for molecular oxygen reduction</title><author>Nair, Anju K. ; Thazhe veettil, Vineesh ; Kalarikkal, Nandakumar ; Thomas, Sabu ; Kala, M. S. ; Sahajwalla, Veena ; Joshi, Rakesh K. ; Alwarappan, Subbiah</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c438t-79f03f722926eab33e8e7723c75f365496cd3a1381d431cf749579629a8f98c93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>140/133</topic><topic>639/301/299</topic><topic>639/301/299/886</topic><topic>Boron</topic><topic>Chemical reduction</topic><topic>Electron transfer</topic><topic>Humanities and Social Sciences</topic><topic>Methanol</topic><topic>multidisciplinary</topic><topic>Nanotechnology</topic><topic>Nanowires</topic><topic>Oxygen</topic><topic>Science</topic><topic>Silver</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nair, Anju K.</creatorcontrib><creatorcontrib>Thazhe veettil, Vineesh</creatorcontrib><creatorcontrib>Kalarikkal, Nandakumar</creatorcontrib><creatorcontrib>Thomas, Sabu</creatorcontrib><creatorcontrib>Kala, M. 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in situ
synthesis of silver nanowires (AgNWs) over boron doped graphene sheets (BG) and demonstrated its efficient electrocatalytic activity towards ORR for the first time. The electrocatalytic ORR efficacy of BG-AgNW is studied using various voltammetric techniques. The BG wrapped AgNWs shows excellent ORR activity, with very high onset potential and current density and it followed four electron transfer mechanism with high methanol tolerance and stability towards ORR. The results are comparable to the commercially available 20% Pt/C in terms of performance.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>27941954</pmid><doi>10.1038/srep37731</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 140/133 639/301/299 639/301/299/886 Boron Chemical reduction Electron transfer Humanities and Social Sciences Methanol multidisciplinary Nanotechnology Nanowires Oxygen Science Silver |
| title | Boron doped graphene wrapped silver nanowires as an efficient electrocatalyst for molecular oxygen reduction |
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