Iron and Cobalt Corroles in Solution and on Carbon Nanotubes as Molecular Photocatalysts for Hydrogen Production by Water Reduction
Herein, we report the use of cobalt and iron corrole complexes as catalysts of H2O reduction to generate H2. Electro‐ and photocatalysis has been used in the case of dissolved corroles for water reduction with inspiring results. Carbon nanotubes doped with corroles were used as photo‐electrochemical...
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description | Herein, we report the use of cobalt and iron corrole complexes as catalysts of H2O reduction to generate H2. Electro‐ and photocatalysis has been used in the case of dissolved corroles for water reduction with inspiring results. Carbon nanotubes doped with corroles were used as photo‐electrochemical catalysts, with very low overpotential values and increased hydrogen production; incredibly high turnover numbers and turnover frequencies of approximately 107 and 105, respectively, were achieved. Through this last process, we were able to obtain 1 mmol of H2 by using minuscule amounts of catalyst, in the order of picograms. The reactions can be performed in water, without the need for organic solvents. Remarkably, the photo‐electrochemical catalytic efficiency was increased by five orders of magnitude if the molecular catalysts were adsorbed onto carbon nanotubes.
Tubular potential: Cobalt and iron corrole complexes have been used as catalysts of H2O reduction to generate H2. Electro‐ and photocatalysis of water reduction occurred with dissolved corroles. Carbon nanotubes doped with corroles were used as photo‐electrochemical catalysts with increased hydrogen production. The catalytic efficiency increased by five orders of magnitude if the molecular catalysts were adsorbed onto the carbon nanotubes. |
doi_str_mv | 10.1002/cctc.201700349 |
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Tubular potential: Cobalt and iron corrole complexes have been used as catalysts of H2O reduction to generate H2. Electro‐ and photocatalysis of water reduction occurred with dissolved corroles. Carbon nanotubes doped with corroles were used as photo‐electrochemical catalysts with increased hydrogen production. The catalytic efficiency increased by five orders of magnitude if the molecular catalysts were adsorbed onto the carbon nanotubes.</description><identifier>ISSN: 1867-3880</identifier><identifier>EISSN: 1867-3899</identifier><identifier>DOI: 10.1002/cctc.201700349</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>Carbon ; Carbon nanotubes ; Catalysis ; Catalysts ; Cobalt ; Coordination compounds ; electrocatalysis ; hydrogen ; Hydrogen production ; Iron ; metallocorroles ; Nanotubes ; Photocatalysis ; Reduction ; Solvents ; water splitting</subject><ispartof>ChemCatChem, 2017-08, Vol.9 (16), p.3259-3268</ispartof><rights>2017 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3579-b23ce5f1bc23c54cde26c0efdf18f399fe84052f42c8b7a5d900eb28b017b0823</citedby><cites>FETCH-LOGICAL-c3579-b23ce5f1bc23c54cde26c0efdf18f399fe84052f42c8b7a5d900eb28b017b0823</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fcctc.201700349$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fcctc.201700349$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27929,27930,45579,45580</link.rule.ids></links><search><creatorcontrib>Morales Vásquez, Miguel A.</creatorcontrib><creatorcontrib>Hamer, Mariana</creatorcontrib><creatorcontrib>Neuman, Nicolás I.</creatorcontrib><creatorcontrib>Tesio, Alvaro Y.</creatorcontrib><creatorcontrib>Hunt, Andrés</creatorcontrib><creatorcontrib>Bogo, Horacio</creatorcontrib><creatorcontrib>Calvo, Ernesto J.</creatorcontrib><creatorcontrib>Doctorovich, Fabio</creatorcontrib><title>Iron and Cobalt Corroles in Solution and on Carbon Nanotubes as Molecular Photocatalysts for Hydrogen Production by Water Reduction</title><title>ChemCatChem</title><description>Herein, we report the use of cobalt and iron corrole complexes as catalysts of H2O reduction to generate H2. Electro‐ and photocatalysis has been used in the case of dissolved corroles for water reduction with inspiring results. Carbon nanotubes doped with corroles were used as photo‐electrochemical catalysts, with very low overpotential values and increased hydrogen production; incredibly high turnover numbers and turnover frequencies of approximately 107 and 105, respectively, were achieved. Through this last process, we were able to obtain 1 mmol of H2 by using minuscule amounts of catalyst, in the order of picograms. The reactions can be performed in water, without the need for organic solvents. Remarkably, the photo‐electrochemical catalytic efficiency was increased by five orders of magnitude if the molecular catalysts were adsorbed onto carbon nanotubes.
Tubular potential: Cobalt and iron corrole complexes have been used as catalysts of H2O reduction to generate H2. Electro‐ and photocatalysis of water reduction occurred with dissolved corroles. Carbon nanotubes doped with corroles were used as photo‐electrochemical catalysts with increased hydrogen production. The catalytic efficiency increased by five orders of magnitude if the molecular catalysts were adsorbed onto the carbon nanotubes.</description><subject>Carbon</subject><subject>Carbon nanotubes</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Cobalt</subject><subject>Coordination compounds</subject><subject>electrocatalysis</subject><subject>hydrogen</subject><subject>Hydrogen production</subject><subject>Iron</subject><subject>metallocorroles</subject><subject>Nanotubes</subject><subject>Photocatalysis</subject><subject>Reduction</subject><subject>Solvents</subject><subject>water splitting</subject><issn>1867-3880</issn><issn>1867-3899</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLAzEUhYMoWKtb1wHXrXnMI1nKoLZQtWjFZUgyiU4ZJzXJILP2j5vaoktX53Dvd-6FA8A5RlOMELnUOuopQbhEiGb8AIwwK8oJZZwf_nqGjsFJCGuECk7LfAS-5t51UHY1rJySbUzivWtNgE0Hn1zbx2a_T1JJr5Lcy87FXiVGBniXYN230sPlm4tOyyjbIcQArfNwNtTevZoOLr2re_1zSw3wRUbj4aPZj07BkZVtMGd7HYPnm-tVNZssHm7n1dViomle8okiVJvcYqWTyTNdG1JoZGxtMbOUc2tYhnJiM6KZKmVec4SMIkylShRihI7Bxe7uxruP3oQo1q73XXopMKcY8bLgPFHTHaW9C8EbKza-eZd-EBiJbdFiW7T4LToF-C7w2bRm-IcWVbWq_rLfohiEUA</recordid><startdate>20170823</startdate><enddate>20170823</enddate><creator>Morales Vásquez, Miguel A.</creator><creator>Hamer, Mariana</creator><creator>Neuman, Nicolás I.</creator><creator>Tesio, Alvaro Y.</creator><creator>Hunt, Andrés</creator><creator>Bogo, Horacio</creator><creator>Calvo, Ernesto J.</creator><creator>Doctorovich, Fabio</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20170823</creationdate><title>Iron and Cobalt Corroles in Solution and on Carbon Nanotubes as Molecular Photocatalysts for Hydrogen Production by Water Reduction</title><author>Morales Vásquez, Miguel A. ; Hamer, Mariana ; Neuman, Nicolás I. ; Tesio, Alvaro Y. ; Hunt, Andrés ; Bogo, Horacio ; Calvo, Ernesto J. ; Doctorovich, Fabio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3579-b23ce5f1bc23c54cde26c0efdf18f399fe84052f42c8b7a5d900eb28b017b0823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Carbon</topic><topic>Carbon nanotubes</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Cobalt</topic><topic>Coordination compounds</topic><topic>electrocatalysis</topic><topic>hydrogen</topic><topic>Hydrogen production</topic><topic>Iron</topic><topic>metallocorroles</topic><topic>Nanotubes</topic><topic>Photocatalysis</topic><topic>Reduction</topic><topic>Solvents</topic><topic>water splitting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Morales Vásquez, Miguel A.</creatorcontrib><creatorcontrib>Hamer, Mariana</creatorcontrib><creatorcontrib>Neuman, Nicolás I.</creatorcontrib><creatorcontrib>Tesio, Alvaro Y.</creatorcontrib><creatorcontrib>Hunt, Andrés</creatorcontrib><creatorcontrib>Bogo, Horacio</creatorcontrib><creatorcontrib>Calvo, Ernesto J.</creatorcontrib><creatorcontrib>Doctorovich, Fabio</creatorcontrib><collection>CrossRef</collection><jtitle>ChemCatChem</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Morales Vásquez, Miguel A.</au><au>Hamer, Mariana</au><au>Neuman, Nicolás I.</au><au>Tesio, Alvaro Y.</au><au>Hunt, Andrés</au><au>Bogo, Horacio</au><au>Calvo, Ernesto J.</au><au>Doctorovich, Fabio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Iron and Cobalt Corroles in Solution and on Carbon Nanotubes as Molecular Photocatalysts for Hydrogen Production by Water Reduction</atitle><jtitle>ChemCatChem</jtitle><date>2017-08-23</date><risdate>2017</risdate><volume>9</volume><issue>16</issue><spage>3259</spage><epage>3268</epage><pages>3259-3268</pages><issn>1867-3880</issn><eissn>1867-3899</eissn><abstract>Herein, we report the use of cobalt and iron corrole complexes as catalysts of H2O reduction to generate H2. Electro‐ and photocatalysis has been used in the case of dissolved corroles for water reduction with inspiring results. Carbon nanotubes doped with corroles were used as photo‐electrochemical catalysts, with very low overpotential values and increased hydrogen production; incredibly high turnover numbers and turnover frequencies of approximately 107 and 105, respectively, were achieved. Through this last process, we were able to obtain 1 mmol of H2 by using minuscule amounts of catalyst, in the order of picograms. The reactions can be performed in water, without the need for organic solvents. Remarkably, the photo‐electrochemical catalytic efficiency was increased by five orders of magnitude if the molecular catalysts were adsorbed onto carbon nanotubes.
Tubular potential: Cobalt and iron corrole complexes have been used as catalysts of H2O reduction to generate H2. Electro‐ and photocatalysis of water reduction occurred with dissolved corroles. Carbon nanotubes doped with corroles were used as photo‐electrochemical catalysts with increased hydrogen production. The catalytic efficiency increased by five orders of magnitude if the molecular catalysts were adsorbed onto the carbon nanotubes.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/cctc.201700349</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Carbon Carbon nanotubes Catalysis Catalysts Cobalt Coordination compounds electrocatalysis hydrogen Hydrogen production Iron metallocorroles Nanotubes Photocatalysis Reduction Solvents water splitting |
title | Iron and Cobalt Corroles in Solution and on Carbon Nanotubes as Molecular Photocatalysts for Hydrogen Production by Water Reduction |
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