Effect of Outer Carbon Layer Thickness of Carbon-covered N-doped Hollow Carbon Nanospheres on Its Electrocatalytic Performance
Hollow nitrogen-doped porous carbon materials covered with different thicknesses of carbon layers were synthesized to assist evaluation of the influence of nitrogen atom on the surrounding carbon atoms. The designed carbon-based materials were synthesized through pyrolysis of surface-attached block...
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| Veröffentlicht in: | Journal of Wuhan University of Technology. Materials science edition 2021-04, Vol.36 (2), p.166-173 |
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| container_issue | 2 |
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| container_title | Journal of Wuhan University of Technology. Materials science edition |
| container_volume | 36 |
| creator | Tao, Bowen Pan, Xiangchuan Zhang, Haining |
| description | Hollow nitrogen-doped porous carbon materials covered with different thicknesses of carbon layers were synthesized to assist evaluation of the influence of nitrogen atom on the surrounding carbon atoms. The designed carbon-based materials were synthesized through pyrolysis of surface-attached block copolymer layers on silica nanoparticles with different thicknesses of the second block of grafted polymer chains, followed by removal of silica templates. The experimental results reveal that coverage a carbon layer with proper thickness can improve the oxygen reaction reduction activity of nitrogen-doped carbon materials as evidenced by the positive shift of half-wave potential in linear scanning voltammetry response curves. The conclusions may provide a reference work on understanding the active sites and designing materials with superior electrochemical performance. |
| doi_str_mv | 10.1007/s11595-021-2390-1 |
| format | Article |
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The designed carbon-based materials were synthesized through pyrolysis of surface-attached block copolymer layers on silica nanoparticles with different thicknesses of the second block of grafted polymer chains, followed by removal of silica templates. The experimental results reveal that coverage a carbon layer with proper thickness can improve the oxygen reaction reduction activity of nitrogen-doped carbon materials as evidenced by the positive shift of half-wave potential in linear scanning voltammetry response curves. The conclusions may provide a reference work on understanding the active sites and designing materials with superior electrochemical performance.</description><identifier>ISSN: 1000-2413</identifier><identifier>EISSN: 1993-0437</identifier><identifier>DOI: 10.1007/s11595-021-2390-1</identifier><language>eng</language><publisher>Wuhan: Wuhan University of Technology</publisher><subject>Advanced Materials ; Block copolymers ; Carbon ; Chemistry and Materials Science ; Electrochemical analysis ; Materials Science ; Nanoparticles ; Nanospheres ; Nitrogen ; Porous materials ; Pyrolysis ; Silicon dioxide ; Thickness</subject><ispartof>Journal of Wuhan University of Technology. 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The conclusions may provide a reference work on understanding the active sites and designing materials with superior electrochemical performance.</description><subject>Advanced Materials</subject><subject>Block copolymers</subject><subject>Carbon</subject><subject>Chemistry and Materials Science</subject><subject>Electrochemical analysis</subject><subject>Materials Science</subject><subject>Nanoparticles</subject><subject>Nanospheres</subject><subject>Nitrogen</subject><subject>Porous materials</subject><subject>Pyrolysis</subject><subject>Silicon dioxide</subject><subject>Thickness</subject><issn>1000-2413</issn><issn>1993-0437</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kM1OwzAQhC0EEqXwANwscTbYsePER1QVWqlqOZSz5fiHtqRxsFNQL312HAXEidPsaueblQaAW4LvCcbFQyQkFznCGUEZFRiRMzAiQlCEGS3O04wxRhkj9BJcxbjDmGHK-Qicps5Z3UHv4OrQ2QAnKlS-gQt1TMt6s9XvjY2xvw8XpP2nDdbAJTK-TTrzde2_frmlanxsN8mRmAbOuwindXoQvFadqo_dVsMXG5wPe9Voew0unKqjvfnRMXh9mq4nM7RYPc8njwukKeEdclyoXNmSVcwoo2jFVOVKyoymONNCF7wodS6YY4QZUxa8KqzgvDKVsCzDgo7B3ZDbBv9xsLGTO38ITXopszxnRckoIclFBpcOPsZgnWzDdq_CURIs-5rlULNMNcu-Ztkz2cDE5G3ebPhL_h_6BtajgTw</recordid><startdate>20210401</startdate><enddate>20210401</enddate><creator>Tao, Bowen</creator><creator>Pan, Xiangchuan</creator><creator>Zhang, Haining</creator><general>Wuhan University of Technology</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20210401</creationdate><title>Effect of Outer Carbon Layer Thickness of Carbon-covered N-doped Hollow Carbon Nanospheres on Its Electrocatalytic Performance</title><author>Tao, Bowen ; Pan, Xiangchuan ; Zhang, Haining</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-f69a5ae84b4dada3b4abf834dc302c9c7678c594f414dd876b7e966bdb9e42093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Advanced Materials</topic><topic>Block copolymers</topic><topic>Carbon</topic><topic>Chemistry and Materials Science</topic><topic>Electrochemical analysis</topic><topic>Materials Science</topic><topic>Nanoparticles</topic><topic>Nanospheres</topic><topic>Nitrogen</topic><topic>Porous materials</topic><topic>Pyrolysis</topic><topic>Silicon dioxide</topic><topic>Thickness</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tao, Bowen</creatorcontrib><creatorcontrib>Pan, Xiangchuan</creatorcontrib><creatorcontrib>Zhang, Haining</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of Wuhan University of Technology. 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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Advanced Materials Block copolymers Carbon Chemistry and Materials Science Electrochemical analysis Materials Science Nanoparticles Nanospheres Nitrogen Porous materials Pyrolysis Silicon dioxide Thickness |
| title | Effect of Outer Carbon Layer Thickness of Carbon-covered N-doped Hollow Carbon Nanospheres on Its Electrocatalytic Performance |
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