Dual-functional CeOx fence promoting Au nanocatalyst for CO oxidation under wide working conditions
A supported gold catalyst was regarded as one of the most critical heterogeneous catalysts for CO oxidation in auto-emission and fuel cells, but it suffered bottlenecks in achieving high activity and stability under different conditions. Herein, a CeOx fence with a particular structure was successfu...
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| Veröffentlicht in: | New journal of chemistry 2023-10, Vol.47 (39), p.18235-18242 |
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| container_issue | 39 |
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| container_title | New journal of chemistry |
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| creator | Chen, Jie Huang, Jianhui Zeng, Jianpeng Zheng, Fengying Li, Shunxing |
| description | A supported gold catalyst was regarded as one of the most critical heterogeneous catalysts for CO oxidation in auto-emission and fuel cells, but it suffered bottlenecks in achieving high activity and stability under different conditions. Herein, a CeOx fence with a particular structure was successfully synthesized around Au nanoparticles dispersed in various supports by an auto-redox strategy. The dual-functional properties of this CeOx fence showed that it can not only enhance the activation of oxygen and activity of CO oxidation, but also stabilize Au nanoparticles in severe conditions. The optimal catalyst showed no deactivation after 100 hours of catalytic reaction at a temperature lower than 20 °C, and maintained high catalytic performance even after three rounds of thermal calcination at 800 °C. This work provides insights into the large-scale synthesis of supported gold catalysts with both superior activity and excellent stability in industrial applications. |
| doi_str_mv | 10.1039/d3nj02395h |
| format | Article |
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Herein, a CeOx fence with a particular structure was successfully synthesized around Au nanoparticles dispersed in various supports by an auto-redox strategy. The dual-functional properties of this CeOx fence showed that it can not only enhance the activation of oxygen and activity of CO oxidation, but also stabilize Au nanoparticles in severe conditions. The optimal catalyst showed no deactivation after 100 hours of catalytic reaction at a temperature lower than 20 °C, and maintained high catalytic performance even after three rounds of thermal calcination at 800 °C. 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This work provides insights into the large-scale synthesis of supported gold catalysts with both superior activity and excellent stability in industrial applications.</description><subject>Carbon monoxide</subject><subject>Catalysts</subject><subject>Chemical synthesis</subject><subject>Fuel cells</subject><subject>Gold</subject><subject>Industrial applications</subject><subject>Nanoparticles</subject><subject>Oxidation</subject><issn>1144-0546</issn><issn>1369-9261</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNotj01LAzEYhIMoWKsXf0HA82revJtkcyzrJxR60XPJp25dk7rZpfXf26KnGRieYYaQa2C3wFDfeUwbxlGLjxMyA5S60lzC6cFDXVdM1PKcXJSyYQxASZgRdz-ZvopTcmOXk-lpG1Z7GkNygW6H_JXHLr3TxUSTSdmZ0fQ_ZaQxD7Rd0bzvvDlydEo-DHTX-UB3efg8Mi4n3x3DcknOoulLuPrXOXl7fHhtn6vl6umlXSyrLTQ4VlZyIYF77UAqBMsDWnRCmyZKrqwH7mJs6ohRRdBemeisw0YokNZZEXBObv56D8O_p1DG9SZPw-FUWfNG1VygYgJ_AX3GWIM</recordid><startdate>20231009</startdate><enddate>20231009</enddate><creator>Chen, Jie</creator><creator>Huang, Jianhui</creator><creator>Zeng, Jianpeng</creator><creator>Zheng, Fengying</creator><creator>Li, Shunxing</creator><general>Royal Society of Chemistry</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>H9R</scope><scope>JG9</scope><scope>KA0</scope></search><sort><creationdate>20231009</creationdate><title>Dual-functional CeOx fence promoting Au nanocatalyst for CO oxidation under wide working conditions</title><author>Chen, Jie ; Huang, Jianhui ; Zeng, Jianpeng ; Zheng, Fengying ; Li, Shunxing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p183t-b625612d9c16731b2e3b3c59a8f627bd12cff84f3f7f19d7afcbc385716bcb5e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Carbon monoxide</topic><topic>Catalysts</topic><topic>Chemical synthesis</topic><topic>Fuel cells</topic><topic>Gold</topic><topic>Industrial applications</topic><topic>Nanoparticles</topic><topic>Oxidation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Jie</creatorcontrib><creatorcontrib>Huang, Jianhui</creatorcontrib><creatorcontrib>Zeng, Jianpeng</creatorcontrib><creatorcontrib>Zheng, Fengying</creatorcontrib><creatorcontrib>Li, Shunxing</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Illustrata: Natural Sciences</collection><collection>Materials Research Database</collection><collection>ProQuest Illustrata: Technology Collection</collection><jtitle>New journal of chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Jie</au><au>Huang, Jianhui</au><au>Zeng, Jianpeng</au><au>Zheng, Fengying</au><au>Li, Shunxing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dual-functional CeOx fence promoting Au nanocatalyst for CO oxidation under wide working conditions</atitle><jtitle>New journal of chemistry</jtitle><date>2023-10-09</date><risdate>2023</risdate><volume>47</volume><issue>39</issue><spage>18235</spage><epage>18242</epage><pages>18235-18242</pages><issn>1144-0546</issn><eissn>1369-9261</eissn><abstract>A supported gold catalyst was regarded as one of the most critical heterogeneous catalysts for CO oxidation in auto-emission and fuel cells, but it suffered bottlenecks in achieving high activity and stability under different conditions. 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| ispartof | New journal of chemistry, 2023-10, Vol.47 (39), p.18235-18242 |
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Carbon monoxide Catalysts Chemical synthesis Fuel cells Gold Industrial applications Nanoparticles Oxidation |
| title | Dual-functional CeOx fence promoting Au nanocatalyst for CO oxidation under wide working conditions |
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