Charge Transfer Dynamics between Photoexcited CdS Nanorods and Mononuclear Ru Water-Oxidation Catalysts
We describe the charge transfer interactions between photoexcited CdS nanorods and mononuclear water oxidation catalysts derived from the [Ru(bpy)(tpy)Cl]+ parent structure. Upon excitation, hole transfer from CdS oxidizes the catalyst (Ru2+ → Ru3+) on a 100 ps to 1 ns timescale. This is followed by...
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Veröffentlicht in: | Journal of the American Chemical Society 2013-03, Vol.135 (9), p.3383-3386 |
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creator | Tseng, Huan-Wei Wilker, Molly B Damrauer, Niels H Dukovic, Gordana |
description | We describe the charge transfer interactions between photoexcited CdS nanorods and mononuclear water oxidation catalysts derived from the [Ru(bpy)(tpy)Cl]+ parent structure. Upon excitation, hole transfer from CdS oxidizes the catalyst (Ru2+ → Ru3+) on a 100 ps to 1 ns timescale. This is followed by 10–100 ns electron transfer (ET) that reduces the Ru3+ center. The relatively slow ET dynamics may provide opportunities for the accumulation of multiple holes at the catalyst, which is necessary for water oxidation. |
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Upon excitation, hole transfer from CdS oxidizes the catalyst (Ru2+ → Ru3+) on a 100 ps to 1 ns timescale. This is followed by 10–100 ns electron transfer (ET) that reduces the Ru3+ center. The relatively slow ET dynamics may provide opportunities for the accumulation of multiple holes at the catalyst, which is necessary for water oxidation.</description><identifier>ISSN: 0002-7863</identifier><identifier>EISSN: 1520-5126</identifier><identifier>DOI: 10.1021/ja400178g</identifier><identifier>PMID: 23406271</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>Cadmium Compounds - chemistry ; Catalysis ; Molecular Structure ; Nanotubes - chemistry ; Organometallic Compounds - chemistry ; Oxidation-Reduction ; Particle Size ; Photochemical Processes ; Ruthenium - chemistry ; Sulfides - chemistry ; Surface Properties ; Thermodynamics ; Water - chemistry</subject><ispartof>Journal of the American Chemical Society, 2013-03, Vol.135 (9), p.3383-3386</ispartof><rights>Copyright © 2013 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a315t-fd960e34b62524219943050ef93093b21081bf6a6e70c9ed40a08038fbf78af93</citedby><cites>FETCH-LOGICAL-a315t-fd960e34b62524219943050ef93093b21081bf6a6e70c9ed40a08038fbf78af93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/ja400178g$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/ja400178g$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23406271$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tseng, Huan-Wei</creatorcontrib><creatorcontrib>Wilker, Molly B</creatorcontrib><creatorcontrib>Damrauer, Niels H</creatorcontrib><creatorcontrib>Dukovic, Gordana</creatorcontrib><title>Charge Transfer Dynamics between Photoexcited CdS Nanorods and Mononuclear Ru Water-Oxidation Catalysts</title><title>Journal of the American Chemical Society</title><addtitle>J. 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The relatively slow ET dynamics may provide opportunities for the accumulation of multiple holes at the catalyst, which is necessary for water oxidation.</description><subject>Cadmium Compounds - chemistry</subject><subject>Catalysis</subject><subject>Molecular Structure</subject><subject>Nanotubes - chemistry</subject><subject>Organometallic Compounds - chemistry</subject><subject>Oxidation-Reduction</subject><subject>Particle Size</subject><subject>Photochemical Processes</subject><subject>Ruthenium - chemistry</subject><subject>Sulfides - chemistry</subject><subject>Surface Properties</subject><subject>Thermodynamics</subject><subject>Water - chemistry</subject><issn>0002-7863</issn><issn>1520-5126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkEtLw0AQgBdRtFYP_gHZi6CH6OzmfZT4BLXiA49hkkxqSrJbdzfY_ntTqj15GgY-vmE-xo4EnAuQ4mKGAYCIk-kWG4lQghcKGW2zEQBIL04if4_tWzsb1kAmYpftST-ASMZixKbZJ5op8TeDytZk-NVSYdeUlhfkvokUf_7UTtOibBxVPKte-RMqbXRlOaqKP2qlVV-2hIa_9PwDHRlvsmgqdI1WPEOH7dI6e8B2amwtHf7OMXu_uX7L7ryHye19dvngoS9C59VVGgH5QRHJUAZSpGngQwhUpz6kfiEFJKKoI4wohjKlKgCEBPykLuo4wYEas9O1d270V0_W5V1jS2pbVKR7m4vhTCSTVZQxO1ujpdHWGqrzuWk6NMtcQL7qmm-6Duzxr7YvOqo25F_IAThZA1jafKZ7o4Yv_xH9ALcpflc</recordid><startdate>20130306</startdate><enddate>20130306</enddate><creator>Tseng, Huan-Wei</creator><creator>Wilker, Molly B</creator><creator>Damrauer, Niels H</creator><creator>Dukovic, Gordana</creator><general>American Chemical Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20130306</creationdate><title>Charge Transfer Dynamics between Photoexcited CdS Nanorods and Mononuclear Ru Water-Oxidation Catalysts</title><author>Tseng, Huan-Wei ; Wilker, Molly B ; Damrauer, Niels H ; Dukovic, Gordana</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a315t-fd960e34b62524219943050ef93093b21081bf6a6e70c9ed40a08038fbf78af93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Cadmium Compounds - chemistry</topic><topic>Catalysis</topic><topic>Molecular Structure</topic><topic>Nanotubes - chemistry</topic><topic>Organometallic Compounds - chemistry</topic><topic>Oxidation-Reduction</topic><topic>Particle Size</topic><topic>Photochemical Processes</topic><topic>Ruthenium - chemistry</topic><topic>Sulfides - chemistry</topic><topic>Surface Properties</topic><topic>Thermodynamics</topic><topic>Water - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tseng, Huan-Wei</creatorcontrib><creatorcontrib>Wilker, Molly B</creatorcontrib><creatorcontrib>Damrauer, Niels H</creatorcontrib><creatorcontrib>Dukovic, Gordana</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of the American Chemical Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tseng, Huan-Wei</au><au>Wilker, Molly B</au><au>Damrauer, Niels H</au><au>Dukovic, Gordana</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Charge Transfer Dynamics between Photoexcited CdS Nanorods and Mononuclear Ru Water-Oxidation Catalysts</atitle><jtitle>Journal of the American Chemical Society</jtitle><addtitle>J. Am. Chem. Soc</addtitle><date>2013-03-06</date><risdate>2013</risdate><volume>135</volume><issue>9</issue><spage>3383</spage><epage>3386</epage><pages>3383-3386</pages><issn>0002-7863</issn><eissn>1520-5126</eissn><abstract>We describe the charge transfer interactions between photoexcited CdS nanorods and mononuclear water oxidation catalysts derived from the [Ru(bpy)(tpy)Cl]+ parent structure. Upon excitation, hole transfer from CdS oxidizes the catalyst (Ru2+ → Ru3+) on a 100 ps to 1 ns timescale. This is followed by 10–100 ns electron transfer (ET) that reduces the Ru3+ center. The relatively slow ET dynamics may provide opportunities for the accumulation of multiple holes at the catalyst, which is necessary for water oxidation.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>23406271</pmid><doi>10.1021/ja400178g</doi><tpages>4</tpages></addata></record> |
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subjects | Cadmium Compounds - chemistry Catalysis Molecular Structure Nanotubes - chemistry Organometallic Compounds - chemistry Oxidation-Reduction Particle Size Photochemical Processes Ruthenium - chemistry Sulfides - chemistry Surface Properties Thermodynamics Water - chemistry |
title | Charge Transfer Dynamics between Photoexcited CdS Nanorods and Mononuclear Ru Water-Oxidation Catalysts |
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