Cobalt Metal-Organic Framework based on two dinuclear secondary building units for electrocatalytic oxygen evolution
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Cobalt Metal-Organic Framework based on two dinuclear secondary building units for electrocatalytic oxygen evolution

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Cobalt Metal-Organic Framework based on two dinuclear secondary building units for electrocatalytic oxygen evolution

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dc.contributor.author Gutiérrez-Tarriño, Silvia
dc.contributor.author Olloqui-Sariego, J. L.
dc.contributor.author Calvente, Juan José
dc.contributor.author Palomino, Miguel
dc.contributor.author Mínguez Espallargas, Guillermo
dc.contributor.author Jordá, José L.
dc.contributor.author Rey, Fernando
dc.contributor.author Oña-Burgos, Pascual
dc.date.accessioned 2021-07-14T13:41:26Z
dc.date.available 2021-07-14T13:41:26Z
dc.date.issued 2019
dc.identifier.uri https://hdl.handle.net/10550/79931
dc.description.abstract The synthesis of a new microporous metal-organic framework (MOF) based on two secondary building units, with dinuclear cobalt centers, has been developed. The employment of a well-defined cobalt cluster results in an unusual topology of the Co2-MOF, where one of the cobalt centers has three open coordination positions, which has no precedent in MOF materials based on cobalt. Adsorption isotherms have revealed that Co2-MOF is in the range of best CO2 adsorbents among the carbon materials, with very high CO2/CH4 selectivity. On the other hand, dispersion of Co2-MOF in an alcoholic solution of Nafion gives rise to a composite (Co2-MOF@Nafion) with great resistance to hydrolysis in aqueous media and good adherence to graphite electrodes. In fact, it exhibits high electrocatalytic activity and robustness for the oxygen evolution reaction (OER), with a turnover frequency number value superior to those reported for similar electrocatalysts. Overall, this work has provided the basis for the rational design of new cobalt OER catalysts and related materials employing well-defined metal clusters as directing agents of the MOF structure.
dc.language.iso eng
dc.relation.ispartof Acs Applied Materials & Interfaces, 2019, vol. 11, p. 46658 -46665
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Gutiérrez-Tarriño, Silvia Olloqui-Sariego, J. L. Calvente, Juan José Palomino, Miguel Mínguez Espallargas, Guillermo Jordá, José L. Rey, Fernando Oña-Burgos, Pascual 2019 Cobalt Metal-Organic Framework based on two dinuclear secondary building units for electrocatalytic oxygen evolution Acs Applied Materials & Interfaces 11 46658 46665
dc.subject Materials
dc.subject Cobalt
dc.title Cobalt Metal-Organic Framework based on two dinuclear secondary building units for electrocatalytic oxygen evolution
dc.type info:eu-repo/semantics/article
dc.date.updated 2021-07-14T13:41:26Z
dc.identifier.doi https://doi.org/10.1021/acsami.9b13655
dc.identifier.idgrec 139708

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