Enhancement of mineralization ability of C3N4via a lower valence position by a tetracyanoquinodimethane organic semiconductor
7,7,8,8-Tetracyanoquinodimethane-g-C3N4 (TCNQ-g-C3N4) organic composite photocatalysts were prepared by a liquid ultrasonic route in water. The phenol mineralization ability of a TCNQ-g-C3N4 composite was dramatically enhanced via decreasing the valence position of the composite by adjusting the mas...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2014-07, Vol.2 (29), p.11432-11438 |
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| container_end_page | 11438 |
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| container_issue | 29 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
| container_volume | 2 |
| creator | Zhang, Mo Yao, Wenqing Lv, Yanhui Bai, Xiaojuan Liu, Yanfang Jiang, Wenjun Zhu, Yongfa |
| description | 7,7,8,8-Tetracyanoquinodimethane-g-C3N4 (TCNQ-g-C3N4) organic composite photocatalysts were prepared by a liquid ultrasonic route in water. The phenol mineralization ability of a TCNQ-g-C3N4 composite was dramatically enhanced via decreasing the valence position of the composite by adjusting the mass fraction of TCNQ. The transition of photogenerated electrons from the valence band of C3N4 to the LUMO of TCNQ was promoted by the charge transfer between C3N4 donor and TCNQ acceptor. The separation and immigration efficiency of photoinduced charge carriers was greatly enhanced and the catalytic activity of the TCNQ-g-C3N4 composite was increased about 8.4 times for phenol degradation. |
| doi_str_mv | 10.1039/c4ta01471e |
| format | Article |
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The phenol mineralization ability of a TCNQ-g-C3N4 composite was dramatically enhanced via decreasing the valence position of the composite by adjusting the mass fraction of TCNQ. The transition of photogenerated electrons from the valence band of C3N4 to the LUMO of TCNQ was promoted by the charge transfer between C3N4 donor and TCNQ acceptor. The separation and immigration efficiency of photoinduced charge carriers was greatly enhanced and the catalytic activity of the TCNQ-g-C3N4 composite was increased about 8.4 times for phenol degradation.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/c4ta01471e</identifier><language>eng</language><subject>Charge transfer ; Efficiency ; Liquids ; Mineralization ; Phenol ; Photocatalysts ; Polymer matrix composites ; Renewable energy</subject><ispartof>Journal of materials chemistry. 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The separation and immigration efficiency of photoinduced charge carriers was greatly enhanced and the catalytic activity of the TCNQ-g-C3N4 composite was increased about 8.4 times for phenol degradation.</description><subject>Charge transfer</subject><subject>Efficiency</subject><subject>Liquids</subject><subject>Mineralization</subject><subject>Phenol</subject><subject>Photocatalysts</subject><subject>Polymer matrix composites</subject><subject>Renewable energy</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNT7tOAzEQtBBIRJCGL3BJc2CffT67RFF4SBE0UEdr3yYY-exwdoKCxL9zPETNNrPSzO7MEHLG2QVnwlw6WYBx2XI8IJOaNaxqpVGHf7vWx2Sa8wsbRzOmjJmQj3l8huiwx1hoWtHeRxwg-HcoPkUK1gdf9l_MTNzLnQcKNKQ3HOgOAo6HdJOy_9ba_cgVLAO4PcT0uvUxdb7HMhogTcMaonc0Y-9dit3WlTSckqMVhIzTXzwhT9fzx9lttXi4uZtdLap1LUypOmGMQLC6ZRoMH-tYUzfMSNkJK7gSlrWOqcYoqxpoO2xt62xXG5DQiBrFCTn_-bsZxlyYy7L32WEIY7K0zUuulWyEYIb9QyqVrLkyWnwCQu5yGA</recordid><startdate>20140701</startdate><enddate>20140701</enddate><creator>Zhang, Mo</creator><creator>Yao, Wenqing</creator><creator>Lv, Yanhui</creator><creator>Bai, Xiaojuan</creator><creator>Liu, Yanfang</creator><creator>Jiang, Wenjun</creator><creator>Zhu, Yongfa</creator><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7SP</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140701</creationdate><title>Enhancement of mineralization ability of C3N4via a lower valence position by a tetracyanoquinodimethane organic semiconductor</title><author>Zhang, Mo ; Yao, Wenqing ; Lv, Yanhui ; Bai, Xiaojuan ; Liu, Yanfang ; Jiang, Wenjun ; Zhu, Yongfa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g239t-d3993eab8708a91205b9250944d3b3163b07c06596b65a7de7b7cbd29a4a532e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Charge transfer</topic><topic>Efficiency</topic><topic>Liquids</topic><topic>Mineralization</topic><topic>Phenol</topic><topic>Photocatalysts</topic><topic>Polymer matrix composites</topic><topic>Renewable energy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Mo</creatorcontrib><creatorcontrib>Yao, Wenqing</creatorcontrib><creatorcontrib>Lv, Yanhui</creatorcontrib><creatorcontrib>Bai, Xiaojuan</creatorcontrib><creatorcontrib>Liu, Yanfang</creatorcontrib><creatorcontrib>Jiang, Wenjun</creatorcontrib><creatorcontrib>Zhu, Yongfa</creatorcontrib><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Electronics & Communications Abstracts</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>Journal of materials chemistry. 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| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2014-07, Vol.2 (29), p.11432-11438 |
| issn | 2050-7488 2050-7496 |
| language | eng |
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| source | Royal Society Of Chemistry Journals; Alma/SFX Local Collection |
| subjects | Charge transfer Efficiency Liquids Mineralization Phenol Photocatalysts Polymer matrix composites Renewable energy |
| title | Enhancement of mineralization ability of C3N4via a lower valence position by a tetracyanoquinodimethane organic semiconductor |
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