Cd0.8Mn0.2S/MoO3 composites with an S-scheme heterojunction for efficient photocatalytic hydrogen evolution
High-performance and noble metal-free MoO3/Cd0.8Mn0.2S nanocomposites were synthesized via a simple direct physical mixing process. Consequently, from the many characterization methods, the obtained MoO3/Cd0.8Mn0.2S composites exhibited excellent photocatalytic hydrogen production performance and st...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2021-04, Vol.50 (15), p.5360-5369 |
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| container_title | Dalton transactions : an international journal of inorganic chemistry |
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| creator | Jiang, Guoping Zheng, Chaoyue Teng, Yan Jin, Zhiliang |
| description | High-performance and noble metal-free MoO3/Cd0.8Mn0.2S nanocomposites were synthesized via a simple direct physical mixing process. Consequently, from the many characterization methods, the obtained MoO3/Cd0.8Mn0.2S composites exhibited excellent photocatalytic hydrogen production performance and stability. The enhanced photocatalytic activity of the MoO3/Cd0.8Mn0.2S catalyst could be ascribed to the close contact interfaces and well-matched band structure of MoO3 and Mn0.8Cd0.2S, which is beneficial to the transport and separation of photonic excitons. Besides, the hydrogen production performance of the MoO3/Cd0.8Mn0.2S composite catalyst was 1.7 times higher than that of the pure MoO3. Based on the results of time-resolved fluorescence (TRPL) and electrochemical measurements, the possible S-scheme heterojunction mechanism of the photocatalytic hydrogen evolution of MoO3/Cd0.8Mn0.2S was proposed. This work has contributed to the transformation of solar energy into chemical energy. |
| doi_str_mv | 10.1039/d1dt00799h |
| format | Article |
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Consequently, from the many characterization methods, the obtained MoO3/Cd0.8Mn0.2S composites exhibited excellent photocatalytic hydrogen production performance and stability. The enhanced photocatalytic activity of the MoO3/Cd0.8Mn0.2S catalyst could be ascribed to the close contact interfaces and well-matched band structure of MoO3 and Mn0.8Cd0.2S, which is beneficial to the transport and separation of photonic excitons. Besides, the hydrogen production performance of the MoO3/Cd0.8Mn0.2S composite catalyst was 1.7 times higher than that of the pure MoO3. Based on the results of time-resolved fluorescence (TRPL) and electrochemical measurements, the possible S-scheme heterojunction mechanism of the photocatalytic hydrogen evolution of MoO3/Cd0.8Mn0.2S was proposed. This work has contributed to the transformation of solar energy into chemical energy.</description><identifier>ISSN: 1477-9226</identifier><identifier>EISSN: 1477-9234</identifier><identifier>DOI: 10.1039/d1dt00799h</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Catalysts ; Catalytic activity ; Chemical energy ; Excitons ; Fluorescence ; Heterojunctions ; Hydrogen ; Hydrogen evolution ; Hydrogen production ; Molybdenum oxides ; Molybdenum trioxide ; Nanocomposites ; Noble metals ; Photocatalysis ; Solar energy</subject><ispartof>Dalton transactions : an international journal of inorganic chemistry, 2021-04, Vol.50 (15), p.5360-5369</ispartof><rights>Copyright Royal Society of Chemistry 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Jiang, Guoping</creatorcontrib><creatorcontrib>Zheng, Chaoyue</creatorcontrib><creatorcontrib>Teng, Yan</creatorcontrib><creatorcontrib>Jin, Zhiliang</creatorcontrib><title>Cd0.8Mn0.2S/MoO3 composites with an S-scheme heterojunction for efficient photocatalytic hydrogen evolution</title><title>Dalton transactions : an international journal of inorganic chemistry</title><description>High-performance and noble metal-free MoO3/Cd0.8Mn0.2S nanocomposites were synthesized via a simple direct physical mixing process. Consequently, from the many characterization methods, the obtained MoO3/Cd0.8Mn0.2S composites exhibited excellent photocatalytic hydrogen production performance and stability. The enhanced photocatalytic activity of the MoO3/Cd0.8Mn0.2S catalyst could be ascribed to the close contact interfaces and well-matched band structure of MoO3 and Mn0.8Cd0.2S, which is beneficial to the transport and separation of photonic excitons. Besides, the hydrogen production performance of the MoO3/Cd0.8Mn0.2S composite catalyst was 1.7 times higher than that of the pure MoO3. Based on the results of time-resolved fluorescence (TRPL) and electrochemical measurements, the possible S-scheme heterojunction mechanism of the photocatalytic hydrogen evolution of MoO3/Cd0.8Mn0.2S was proposed. This work has contributed to the transformation of solar energy into chemical energy.</description><subject>Catalysts</subject><subject>Catalytic activity</subject><subject>Chemical energy</subject><subject>Excitons</subject><subject>Fluorescence</subject><subject>Heterojunctions</subject><subject>Hydrogen</subject><subject>Hydrogen evolution</subject><subject>Hydrogen production</subject><subject>Molybdenum oxides</subject><subject>Molybdenum trioxide</subject><subject>Nanocomposites</subject><subject>Noble metals</subject><subject>Photocatalysis</subject><subject>Solar energy</subject><issn>1477-9226</issn><issn>1477-9234</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpdzz1PwzAQBmALgUQpLPwCSywsac9fcTKiii-pVYfCXCXOmaSkdogdUP89qUAMDKd7h0en9wi5ZjBjIPJ5xaoIoPO8PiETJrVOci7k6V_m6Tm5CGEHwDkoPiHviwpm2crBjG_mK78W1Ph950MTMdCvJta0cHSTBFPjHmmNEXu_G5yJjXfU-p6itY1p0EXa1T56U8SiPcTG0PpQ9f4NHcVP3w5Hf0nObNEGvPrdU_L6cP-yeEqW68fnxd0y6ZhMY2JTyDKsBC-ZMkoiWGaVBGGFEKVmDKTNwIiqVCkC05XRpeaK6TIdB8Z_p-T2527X-48BQ9zum2CwbQuHfgjbEaecSwFipDf_6M4PvRvbHZVSMhcqFd_U3mcS</recordid><startdate>20210421</startdate><enddate>20210421</enddate><creator>Jiang, Guoping</creator><creator>Zheng, Chaoyue</creator><creator>Teng, Yan</creator><creator>Jin, Zhiliang</creator><general>Royal Society of Chemistry</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20210421</creationdate><title>Cd0.8Mn0.2S/MoO3 composites with an S-scheme heterojunction for efficient photocatalytic hydrogen evolution</title><author>Jiang, Guoping ; Zheng, Chaoyue ; Teng, Yan ; Jin, Zhiliang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p146t-f6088ed32b15c54e0f1f5403f333b71104f80c3db56e017dc7b72517b617b0923</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Catalysts</topic><topic>Catalytic activity</topic><topic>Chemical energy</topic><topic>Excitons</topic><topic>Fluorescence</topic><topic>Heterojunctions</topic><topic>Hydrogen</topic><topic>Hydrogen evolution</topic><topic>Hydrogen production</topic><topic>Molybdenum oxides</topic><topic>Molybdenum trioxide</topic><topic>Nanocomposites</topic><topic>Noble metals</topic><topic>Photocatalysis</topic><topic>Solar energy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jiang, Guoping</creatorcontrib><creatorcontrib>Zheng, Chaoyue</creatorcontrib><creatorcontrib>Teng, Yan</creatorcontrib><creatorcontrib>Jin, Zhiliang</creatorcontrib><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><collection>MEDLINE - Academic</collection><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jiang, Guoping</au><au>Zheng, Chaoyue</au><au>Teng, Yan</au><au>Jin, Zhiliang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cd0.8Mn0.2S/MoO3 composites with an S-scheme heterojunction for efficient photocatalytic hydrogen evolution</atitle><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle><date>2021-04-21</date><risdate>2021</risdate><volume>50</volume><issue>15</issue><spage>5360</spage><epage>5369</epage><pages>5360-5369</pages><issn>1477-9226</issn><eissn>1477-9234</eissn><abstract>High-performance and noble metal-free MoO3/Cd0.8Mn0.2S nanocomposites were synthesized via a simple direct physical mixing process. Consequently, from the many characterization methods, the obtained MoO3/Cd0.8Mn0.2S composites exhibited excellent photocatalytic hydrogen production performance and stability. The enhanced photocatalytic activity of the MoO3/Cd0.8Mn0.2S catalyst could be ascribed to the close contact interfaces and well-matched band structure of MoO3 and Mn0.8Cd0.2S, which is beneficial to the transport and separation of photonic excitons. Besides, the hydrogen production performance of the MoO3/Cd0.8Mn0.2S composite catalyst was 1.7 times higher than that of the pure MoO3. Based on the results of time-resolved fluorescence (TRPL) and electrochemical measurements, the possible S-scheme heterojunction mechanism of the photocatalytic hydrogen evolution of MoO3/Cd0.8Mn0.2S was proposed. 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| identifier | ISSN: 1477-9226 |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Catalysts Catalytic activity Chemical energy Excitons Fluorescence Heterojunctions Hydrogen Hydrogen evolution Hydrogen production Molybdenum oxides Molybdenum trioxide Nanocomposites Noble metals Photocatalysis Solar energy |
| title | Cd0.8Mn0.2S/MoO3 composites with an S-scheme heterojunction for efficient photocatalytic hydrogen evolution |
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