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  Surface-Casting Synthesis of Mesoporous Zirconia with a CMK-5-Like Structure and High Surface Area

Gu, D., Schmidt, W., Pichler, C., Bongard, H.-J., Spliethoff, B., Asahina, S., et al. (2017). Surface-Casting Synthesis of Mesoporous Zirconia with a CMK-5-Like Structure and High Surface Area. Angewandte Chemie International Edition, 56(37), 11222-11225. doi:10.1002/anie.201705042.

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 Creators:
Gu, Dong1, Author              
Schmidt, W.2, Author              
Pichler, Christian1, Author              
Bongard, Hans-Josef3, Author              
Spliethoff, Bernd3, Author              
Asahina, Shunsuke4, Author
Cao, Zhengwen1, Author              
Terasaki, Osamu5, 6, Author
Schüth, Ferdi1, Author              
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2Research Group Schmidt, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445618              
3Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445625              
4SM Application Group, JEOL Ltd., Tokyo, Japan, ou_persistent22              
5School of Physical Science and Technology, ShanghaiTech, Shanghai, P.R. China, ou_persistent22              
6Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, Sweden, ou_persistent22              

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Free keywords: CMK-5 carbon, mesoporous materials, metal oxides, surface casting, zirconia
 Abstract: About 15 years ago, the Ryoo group described the synthesis of CMK-5, a material consisting of a hexagonal arrangement of carbon nanotubes. Extension of the surface casting synthesis to oxide compositions, however, was not possible so far, in spite of many attempts. Here it is demonstrated, that crystalline mesoporous hollow zirconia materials with very high surface areas up to 400 m2 g−1, and in selected cases in the form of CMK-5-like, are indeed accessible via such a surface casting process. The key for the successful synthesis is an increased interaction between the silica hard template surface and the zirconia precursor species by using silanol group-rich mesoporous silica as a hard template. The surface areas of the obtained zirconias exceed those of conventionally hard-templated ones by a factor of two to three. The surface casting process seems to be applicable also to other oxide materials.

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Language(s): eng - English
 Dates: 2017-08-112017-09-04
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/anie.201705042
BibTex Citekey: ANIE:ANIE201705042
 Degree: -

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Title: Angewandte Chemie International Edition
  Other : Angew. Chem., Int. Ed.
  Other : Angew. Chem. Int. Ed.
  Other : Angewandte Chemie, International Edition
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 56 (37) Sequence Number: - Start / End Page: 11222 - 11225 Identifier: ISSN: 1433-7851
CoNE: https://pure.mpg.de/cone/journals/resource/1433-7851