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  Design of Ordered Mesoporous Composite Materials and Their Electrocatalytic Activities for Water Oxidation

Grewe, T., Deng, X., Weidenthaler, C., Schüth, F., & Tüysüz, H. (2013). Design of Ordered Mesoporous Composite Materials and Their Electrocatalytic Activities for Water Oxidation. Chemistry of Materials, 25(24), 4926-4935. doi:10.1021/cm403153u.

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 Creators:
Grewe, Tobias1, Author              
Deng, Xiaohui2, Author              
Weidenthaler, Claudia3, Author              
Schüth, Ferdi1, Author              
Tüysüz, Harun2, Author              
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2Research Group Tüysüz, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1950290              
3Research Group Weidenthaler, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1950291              

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 Abstract: The controlled synthesis of a series of ordered mesoporous composite materials via solid–solid reaction of ordered mesoporous Co3O4 with various transition metal precursors is reported. This versatile methodology allows preparation of a range of composites with precisely controllable material compositions. The textural parameters of the heterostructured compounds are highly dependent on the oxidation state of the dopant. Electrocatalytic activities of the prepared materials were investigated as oxygen evolution catalysts for the electrolysis of water. Among the ordered mesoporous composite materials, Co3O4–CuCo2O4 shows a significant enhancement for electro-catalytic water splitting with a lower onset potential and higher current density. Following these results, a series of ordered mesoporous composite materials based on cobalt and copper oxides with different atomic ratios were prepared through a nanocasting route. Enhanced electrocatalytic performance was obtained for all composite samples in comparison with Co3O4.

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Language(s): eng - English
 Dates: 2013-09-232013-11-292013-12-23
 Publication Status: Published in print
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/cm403153u
 Degree: -

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Title: Chemistry of Materials
  Abbreviation : Chem. Mater.
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Chemical Society
Pages: - Volume / Issue: 25 (24) Sequence Number: - Start / End Page: 4926 - 4935 Identifier: ISSN: 0897-4756
CoNE: https://pure.mpg.de/cone/journals/resource/954925561571