Visible Light Photocatalytic H2-Production Activity of CuS/ZnS Porous Nanosheets Based on Photoinduced Interfacial Charge Transfer
Visible light photocatalytic H2 production through water splitting is of great importance for its potential application in converting solar energy into chemical energy. In this study, a novel visible-light-driven photocatalyst was designed based on photoinduced interfacial charge transfer (IFCT) thr...
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| Veröffentlicht in: | Nano letters 2011-11, Vol.11 (11), p.4774-4779 |
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| creator | Zhang, Jun Yu, Jiaguo Zhang, Yimin Li, Qin Gong, Jian Ru |
| description | Visible light photocatalytic H2 production through water splitting is of great importance for its potential application in converting solar energy into chemical energy. In this study, a novel visible-light-driven photocatalyst was designed based on photoinduced interfacial charge transfer (IFCT) through surface modification of ZnS porous nanosheets by CuS. CuS/ZnS porous nanosheet photocatalysts were prepared by a simple hydrothermal and cation exchange reaction between preformed ZnS(en)0.5 nanosheets and Cu(NO3)2. Even without a Pt cocatalyst, the as-prepared CuS/ZnS porous nanosheets reach a high H2-production rate of 4147 μmol h–1 g–1 at CuS loading content of 2 mol % and an apparent quantum efficiency of 20% at 420 nm. This high visible light photocatalytic H2-production activity is due to the IFCT from the valence band of ZnS to CuS, which causes the reduction of partial CuS to Cu2S and thus enhances H2-production activity. This work not only shows a possibility for substituting low-cost CuS for noble metals in the photocatalytic H2 production but also for the first time exhibits a facile method for enhancing H2-production activity by photoinduced IFCT. |
| doi_str_mv | 10.1021/nl202587b |
| format | Article |
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In this study, a novel visible-light-driven photocatalyst was designed based on photoinduced interfacial charge transfer (IFCT) through surface modification of ZnS porous nanosheets by CuS. CuS/ZnS porous nanosheet photocatalysts were prepared by a simple hydrothermal and cation exchange reaction between preformed ZnS(en)0.5 nanosheets and Cu(NO3)2. Even without a Pt cocatalyst, the as-prepared CuS/ZnS porous nanosheets reach a high H2-production rate of 4147 μmol h–1 g–1 at CuS loading content of 2 mol % and an apparent quantum efficiency of 20% at 420 nm. This high visible light photocatalytic H2-production activity is due to the IFCT from the valence band of ZnS to CuS, which causes the reduction of partial CuS to Cu2S and thus enhances H2-production activity. This work not only shows a possibility for substituting low-cost CuS for noble metals in the photocatalytic H2 production but also for the first time exhibits a facile method for enhancing H2-production activity by photoinduced IFCT.</description><identifier>ISSN: 1530-6984</identifier><identifier>EISSN: 1530-6992</identifier><identifier>DOI: 10.1021/nl202587b</identifier><identifier>PMID: 21981013</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Catalysis ; Catalytic methods ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cross-disciplinary physics: materials science; rheology ; Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures ; Electronic structure of nanoscale materials : clusters, nanoparticles, nanotubes, and nanocrystals ; Exact sciences and technology ; Hydrogen - chemistry ; Light ; Materials science ; Materials Testing ; Membranes, Artificial ; Methods of nanofabrication ; Nanostructures - chemistry ; Nanostructures - radiation effects ; Nanostructures - ultrastructure ; Particle Size ; Physics ; Porosity - radiation effects ; Selenium Compounds - chemistry ; Selenium Compounds - radiation effects ; Zinc Compounds - chemistry ; Zinc Compounds - radiation effects</subject><ispartof>Nano letters, 2011-11, Vol.11 (11), p.4774-4779</ispartof><rights>Copyright © 2011 American Chemical Society</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/nl202587b$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/nl202587b$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24741035$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21981013$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Jun</creatorcontrib><creatorcontrib>Yu, Jiaguo</creatorcontrib><creatorcontrib>Zhang, Yimin</creatorcontrib><creatorcontrib>Li, Qin</creatorcontrib><creatorcontrib>Gong, Jian Ru</creatorcontrib><title>Visible Light Photocatalytic H2-Production Activity of CuS/ZnS Porous Nanosheets Based on Photoinduced Interfacial Charge Transfer</title><title>Nano letters</title><addtitle>Nano Lett</addtitle><description>Visible light photocatalytic H2 production through water splitting is of great importance for its potential application in converting solar energy into chemical energy. In this study, a novel visible-light-driven photocatalyst was designed based on photoinduced interfacial charge transfer (IFCT) through surface modification of ZnS porous nanosheets by CuS. CuS/ZnS porous nanosheet photocatalysts were prepared by a simple hydrothermal and cation exchange reaction between preformed ZnS(en)0.5 nanosheets and Cu(NO3)2. Even without a Pt cocatalyst, the as-prepared CuS/ZnS porous nanosheets reach a high H2-production rate of 4147 μmol h–1 g–1 at CuS loading content of 2 mol % and an apparent quantum efficiency of 20% at 420 nm. This high visible light photocatalytic H2-production activity is due to the IFCT from the valence band of ZnS to CuS, which causes the reduction of partial CuS to Cu2S and thus enhances H2-production activity. This work not only shows a possibility for substituting low-cost CuS for noble metals in the photocatalytic H2 production but also for the first time exhibits a facile method for enhancing H2-production activity by photoinduced IFCT.</description><subject>Catalysis</subject><subject>Catalytic methods</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures</subject><subject>Electronic structure of nanoscale materials : clusters, nanoparticles, nanotubes, and nanocrystals</subject><subject>Exact sciences and technology</subject><subject>Hydrogen - chemistry</subject><subject>Light</subject><subject>Materials science</subject><subject>Materials Testing</subject><subject>Membranes, Artificial</subject><subject>Methods of nanofabrication</subject><subject>Nanostructures - chemistry</subject><subject>Nanostructures - radiation effects</subject><subject>Nanostructures - ultrastructure</subject><subject>Particle Size</subject><subject>Physics</subject><subject>Porosity - radiation effects</subject><subject>Selenium Compounds - chemistry</subject><subject>Selenium Compounds - radiation effects</subject><subject>Zinc Compounds - chemistry</subject><subject>Zinc Compounds - radiation effects</subject><issn>1530-6984</issn><issn>1530-6992</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkUtLAzEUhYMoPqoL_4BkI67G5jFpM0stagtFC60u3Ax3MhkbmSaaZIRu_eVGrXV174XvHjjnIHRKySUljPZtywgTcljtoEMqOMkGRcF2t7vMD9BRCK-EkIILso8OGC0kJZQfos8nE0zVajw1L8uIZ0sXnYII7Toahccsm3lXdyoaZ_FVGh8mrrFr8Kib95_tHM-cd13A92BdWGodA76GoGuc8B8tY9N3uic2at-AMtDi0RL8i8YLDzY02h-jvQbaoE82s4ceb28Wo3E2fbibjK6mGTBBY6YaJaXgqqorVkhRiybXkg0UaE4Fa4BQRaSEnA7qvJaacUlZDWxAhqoQkkreQxe_um_evXc6xHJlgtJtC1YnD2VBOM1TcsNEnm3IrlrpunzzZgV-Xf7FloDzDQBBQdskJ8qEfy4f5pRw8c-BCuWr67xNBktKyu_aym1t_Autioe7</recordid><startdate>20111109</startdate><enddate>20111109</enddate><creator>Zhang, Jun</creator><creator>Yu, Jiaguo</creator><creator>Zhang, Yimin</creator><creator>Li, Qin</creator><creator>Gong, Jian Ru</creator><general>American Chemical Society</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>20111109</creationdate><title>Visible Light Photocatalytic H2-Production Activity of CuS/ZnS Porous Nanosheets Based on Photoinduced Interfacial Charge Transfer</title><author>Zhang, Jun ; Yu, Jiaguo ; Zhang, Yimin ; Li, Qin ; Gong, Jian Ru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a251t-cfc8853cbdb2985d5f4e826cae3152fa01c088a416d4d8e23812da2607c958183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Catalysis</topic><topic>Catalytic methods</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures</topic><topic>Electronic structure of nanoscale materials : clusters, nanoparticles, nanotubes, and nanocrystals</topic><topic>Exact sciences and technology</topic><topic>Hydrogen - chemistry</topic><topic>Light</topic><topic>Materials science</topic><topic>Materials Testing</topic><topic>Membranes, Artificial</topic><topic>Methods of nanofabrication</topic><topic>Nanostructures - chemistry</topic><topic>Nanostructures - radiation effects</topic><topic>Nanostructures - ultrastructure</topic><topic>Particle Size</topic><topic>Physics</topic><topic>Porosity - radiation effects</topic><topic>Selenium Compounds - chemistry</topic><topic>Selenium Compounds - radiation effects</topic><topic>Zinc Compounds - chemistry</topic><topic>Zinc Compounds - radiation effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Jun</creatorcontrib><creatorcontrib>Yu, Jiaguo</creatorcontrib><creatorcontrib>Zhang, Yimin</creatorcontrib><creatorcontrib>Li, Qin</creatorcontrib><creatorcontrib>Gong, Jian Ru</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Nano letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Jun</au><au>Yu, Jiaguo</au><au>Zhang, Yimin</au><au>Li, Qin</au><au>Gong, Jian Ru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Visible Light Photocatalytic H2-Production Activity of CuS/ZnS Porous Nanosheets Based on Photoinduced Interfacial Charge Transfer</atitle><jtitle>Nano letters</jtitle><addtitle>Nano Lett</addtitle><date>2011-11-09</date><risdate>2011</risdate><volume>11</volume><issue>11</issue><spage>4774</spage><epage>4779</epage><pages>4774-4779</pages><issn>1530-6984</issn><eissn>1530-6992</eissn><abstract>Visible light photocatalytic H2 production through water splitting is of great importance for its potential application in converting solar energy into chemical energy. In this study, a novel visible-light-driven photocatalyst was designed based on photoinduced interfacial charge transfer (IFCT) through surface modification of ZnS porous nanosheets by CuS. CuS/ZnS porous nanosheet photocatalysts were prepared by a simple hydrothermal and cation exchange reaction between preformed ZnS(en)0.5 nanosheets and Cu(NO3)2. Even without a Pt cocatalyst, the as-prepared CuS/ZnS porous nanosheets reach a high H2-production rate of 4147 μmol h–1 g–1 at CuS loading content of 2 mol % and an apparent quantum efficiency of 20% at 420 nm. This high visible light photocatalytic H2-production activity is due to the IFCT from the valence band of ZnS to CuS, which causes the reduction of partial CuS to Cu2S and thus enhances H2-production activity. This work not only shows a possibility for substituting low-cost CuS for noble metals in the photocatalytic H2 production but also for the first time exhibits a facile method for enhancing H2-production activity by photoinduced IFCT.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>21981013</pmid><doi>10.1021/nl202587b</doi><tpages>6</tpages></addata></record> |
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| subjects | Catalysis Catalytic methods Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Electronic structure of nanoscale materials : clusters, nanoparticles, nanotubes, and nanocrystals Exact sciences and technology Hydrogen - chemistry Light Materials science Materials Testing Membranes, Artificial Methods of nanofabrication Nanostructures - chemistry Nanostructures - radiation effects Nanostructures - ultrastructure Particle Size Physics Porosity - radiation effects Selenium Compounds - chemistry Selenium Compounds - radiation effects Zinc Compounds - chemistry Zinc Compounds - radiation effects |
| title | Visible Light Photocatalytic H2-Production Activity of CuS/ZnS Porous Nanosheets Based on Photoinduced Interfacial Charge Transfer |
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