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Preparation and electrocatalytic property of WC/carbon nanotube composite
Tungsten carbide/carbon nanotube composite was prepared by surface decoration and in situ reduction-carbonization. The samples were characterized by XRD, SEM, EDS, TEM, HRTEM and BET, respectively. The XRD results show that the sample is composed of carbon nanotube, tungsten carbide and tungsten oxi...
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Published in: | Electrochimica acta 2007, Vol.52 (5), p.2018-2023 |
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container_end_page | 2023 |
container_issue | 5 |
container_start_page | 2018 |
container_title | Electrochimica acta |
container_volume | 52 |
creator | Li, Guohua Ma, Chun’an Tang, Junyan Sheng, Jiangfeng |
description | Tungsten carbide/carbon nanotube composite was prepared by surface decoration and
in situ reduction-carbonization. The samples were characterized by XRD, SEM, EDS, TEM, HRTEM and BET, respectively. The XRD results show that the sample is composed of carbon nanotube, tungsten carbide and tungsten oxide. The EDS results show that the distribution of tungsten oxide is consistent with that of tungsten carbide. SEM, TEM and HRTEM results show that the tungsten carbide nanoparticle with irregular granule grows on the outside surface of carbon nanotube homogenously. The electrocatalytic activity of the sample for
p-nitrophenol reduction was tested by a powder microelectrode in a basic solution. The results show that the electrocatalytic activity of the sample is higher than that of granular tungsten carbide, hollow globe tungsten carbide with mesoporosity and carbon nanotube purified. The improvement of the electrocatalytic activity of the sample can be attributed to its components and composite structure. These results indicate that tungsten carbide/carbon nanotube composite is one of the effective ways to improve the electrocatalytic activity of tungsten carbide. |
doi_str_mv | 10.1016/j.electacta.2006.07.063 |
format | article |
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in situ reduction-carbonization. The samples were characterized by XRD, SEM, EDS, TEM, HRTEM and BET, respectively. The XRD results show that the sample is composed of carbon nanotube, tungsten carbide and tungsten oxide. The EDS results show that the distribution of tungsten oxide is consistent with that of tungsten carbide. SEM, TEM and HRTEM results show that the tungsten carbide nanoparticle with irregular granule grows on the outside surface of carbon nanotube homogenously. The electrocatalytic activity of the sample for
p-nitrophenol reduction was tested by a powder microelectrode in a basic solution. The results show that the electrocatalytic activity of the sample is higher than that of granular tungsten carbide, hollow globe tungsten carbide with mesoporosity and carbon nanotube purified. The improvement of the electrocatalytic activity of the sample can be attributed to its components and composite structure. These results indicate that tungsten carbide/carbon nanotube composite is one of the effective ways to improve the electrocatalytic activity of tungsten carbide.</description><identifier>ISSN: 0013-4686</identifier><identifier>EISSN: 1873-3859</identifier><identifier>DOI: 10.1016/j.electacta.2006.07.063</identifier><identifier>CODEN: ELCAAV</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Carbon nanotube ; Chemistry ; Electrocatalytic property ; Electrochemistry ; Electrodes: preparations and properties ; Exact sciences and technology ; General and physical chemistry ; Kinetics and mechanism of reactions ; Nanocomposite ; Other electrodes ; Preparation ; Tungsten carbide</subject><ispartof>Electrochimica acta, 2007, Vol.52 (5), p.2018-2023</ispartof><rights>2006 Elsevier Ltd</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c442t-23f967a46126c39ed02e9b9cbfbcc979d18f9ac298c48e5f773c4d548b809cee3</citedby><cites>FETCH-LOGICAL-c442t-23f967a46126c39ed02e9b9cbfbcc979d18f9ac298c48e5f773c4d548b809cee3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18440980$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Guohua</creatorcontrib><creatorcontrib>Ma, Chun’an</creatorcontrib><creatorcontrib>Tang, Junyan</creatorcontrib><creatorcontrib>Sheng, Jiangfeng</creatorcontrib><title>Preparation and electrocatalytic property of WC/carbon nanotube composite</title><title>Electrochimica acta</title><description>Tungsten carbide/carbon nanotube composite was prepared by surface decoration and
in situ reduction-carbonization. The samples were characterized by XRD, SEM, EDS, TEM, HRTEM and BET, respectively. The XRD results show that the sample is composed of carbon nanotube, tungsten carbide and tungsten oxide. The EDS results show that the distribution of tungsten oxide is consistent with that of tungsten carbide. SEM, TEM and HRTEM results show that the tungsten carbide nanoparticle with irregular granule grows on the outside surface of carbon nanotube homogenously. The electrocatalytic activity of the sample for
p-nitrophenol reduction was tested by a powder microelectrode in a basic solution. The results show that the electrocatalytic activity of the sample is higher than that of granular tungsten carbide, hollow globe tungsten carbide with mesoporosity and carbon nanotube purified. The improvement of the electrocatalytic activity of the sample can be attributed to its components and composite structure. These results indicate that tungsten carbide/carbon nanotube composite is one of the effective ways to improve the electrocatalytic activity of tungsten carbide.</description><subject>Carbon nanotube</subject><subject>Chemistry</subject><subject>Electrocatalytic property</subject><subject>Electrochemistry</subject><subject>Electrodes: preparations and properties</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Kinetics and mechanism of reactions</subject><subject>Nanocomposite</subject><subject>Other electrodes</subject><subject>Preparation</subject><subject>Tungsten carbide</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkE9r3DAQxUVooNsknyG-JDc7Y0urP8dladrAQntoyFHI4zFo8VqOpC3st4_SDe2xMDCX33tv5jF220LTQisf9g1NhNmVaToA2YBqQPILtmq14jXXa_OJrQBaXgup5Wf2JaU9ACipYMWefkZaXHTZh7ly81D9MYsBXXbTKXuslhgWivlUhbF62T6gi31BZzeHfOypwnBYQvKZrtnl6KZENx_7ij0_fv21_V7vfnx72m52NQrR5brjo5HKCdl2ErmhAToyvcF-7BGNMkOrR-OwMxqFpvWoFEcxrIXuNRgk4lfs_uxbDns9Usr24BPSNLmZwjHZzqyl4FIVUJ1BjCGlSKNdoj-4eLIt2Pfq7N7-rc6-V2dB2VJdUd59RLiEbhqjm9Gnf3ItBBgNhducOSr__vYUbUJPM9LgY_G1Q_D_zXoDmTmKLw</recordid><startdate>2007</startdate><enddate>2007</enddate><creator>Li, Guohua</creator><creator>Ma, Chun’an</creator><creator>Tang, Junyan</creator><creator>Sheng, Jiangfeng</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>2007</creationdate><title>Preparation and electrocatalytic property of WC/carbon nanotube composite</title><author>Li, Guohua ; Ma, Chun’an ; Tang, Junyan ; Sheng, Jiangfeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c442t-23f967a46126c39ed02e9b9cbfbcc979d18f9ac298c48e5f773c4d548b809cee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Carbon nanotube</topic><topic>Chemistry</topic><topic>Electrocatalytic property</topic><topic>Electrochemistry</topic><topic>Electrodes: preparations and properties</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Kinetics and mechanism of reactions</topic><topic>Nanocomposite</topic><topic>Other electrodes</topic><topic>Preparation</topic><topic>Tungsten carbide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Guohua</creatorcontrib><creatorcontrib>Ma, Chun’an</creatorcontrib><creatorcontrib>Tang, Junyan</creatorcontrib><creatorcontrib>Sheng, Jiangfeng</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Electrochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Guohua</au><au>Ma, Chun’an</au><au>Tang, Junyan</au><au>Sheng, Jiangfeng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation and electrocatalytic property of WC/carbon nanotube composite</atitle><jtitle>Electrochimica acta</jtitle><date>2007</date><risdate>2007</risdate><volume>52</volume><issue>5</issue><spage>2018</spage><epage>2023</epage><pages>2018-2023</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><coden>ELCAAV</coden><abstract>Tungsten carbide/carbon nanotube composite was prepared by surface decoration and
in situ reduction-carbonization. The samples were characterized by XRD, SEM, EDS, TEM, HRTEM and BET, respectively. The XRD results show that the sample is composed of carbon nanotube, tungsten carbide and tungsten oxide. The EDS results show that the distribution of tungsten oxide is consistent with that of tungsten carbide. SEM, TEM and HRTEM results show that the tungsten carbide nanoparticle with irregular granule grows on the outside surface of carbon nanotube homogenously. The electrocatalytic activity of the sample for
p-nitrophenol reduction was tested by a powder microelectrode in a basic solution. The results show that the electrocatalytic activity of the sample is higher than that of granular tungsten carbide, hollow globe tungsten carbide with mesoporosity and carbon nanotube purified. The improvement of the electrocatalytic activity of the sample can be attributed to its components and composite structure. These results indicate that tungsten carbide/carbon nanotube composite is one of the effective ways to improve the electrocatalytic activity of tungsten carbide.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.electacta.2006.07.063</doi><tpages>6</tpages></addata></record> |
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source | ScienceDirect Journals |
subjects | Carbon nanotube Chemistry Electrocatalytic property Electrochemistry Electrodes: preparations and properties Exact sciences and technology General and physical chemistry Kinetics and mechanism of reactions Nanocomposite Other electrodes Preparation Tungsten carbide |
title | Preparation and electrocatalytic property of WC/carbon nanotube composite |
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