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  Monodispersed Mesoporous Silica Spheres Supported Co3O4 as Robust Catalyst for Oxygen Evolution Reaction

Deng, X., Rin, R., Tseng, J.-C., Weidenthaler, C., Apfel, U.-P., & Tüysüz, H. (2017). Monodispersed Mesoporous Silica Spheres Supported Co3O4 as Robust Catalyst for Oxygen Evolution Reaction. ChemCatChem, 9(22), 4238-4243. doi:10.1002/cctc.201701001.

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 Creators:
Deng, Xiaohui1, Author           
Rin, Ritsu1, 2, Author           
Tseng, Jo-Chi3, Author           
Weidenthaler, Claudia3, Author           
Apfel, Ulf-Peter2, Author
Tüysüz, Harun1, Author           
Affiliations:
1Research Group Tüysüz, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1950290              
2Inorganic Chemistry I, Ruhr-Universität Bochum, Universitätsstrasse 150, D-44780 Bochum, Germany, ou_persistent22              
3Research Group Weidenthaler, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1950291              

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Free keywords: cobalt; mesoporous materials; nanostructures; photooxidation; water oxidation
 Abstract: Monodispersed mesoporous silica spheres (MSS) with fibrous nanostructure and highly-open porosity were fabricated by a facile one-pot synthetic route and loaded with Co3O4 nanoclusters for catalyzing the oxygen evolution reaction with Ru(bpy)32+-S2O82- photosensitizer and sacrificial reagent system. The effect of loading amount on the morphology and microstructure of Co3O4 was investigated and it was found that lower Co3O4 content in the composite materials results in smaller crystallite size, which in turn leads to significantly enhanced oxygen evolution activity. Furthermore, due to the monodispersity of the spheres and good accessibility of active species offered by the fibrous pore structure the material shows a clear advantage over non-supported Co3O4 nanoparticles and commonly used ordered mesoporous silica supports such as KIT-6 and SBA-15.

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Language(s): eng - English
 Dates: 2017-06-302017-07-052017-11-23
 Publication Status: Published online
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/cctc.201701001
 Degree: -

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Title: ChemCatChem
  Abbreviation : ChemCatChem
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 9 (22) Sequence Number: - Start / End Page: 4238 - 4243 Identifier: ISSN: 1867-3880
CoNE: https://pure.mpg.de/cone/journals/resource/1867-3880