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  Direct Imaging of Surface Topology and Pore System of Ordered Mesoporous Silica (MCM-41, SBA-15, and KIT-6) and Nanocast Metal Oxides by High Resolution Scanning Electron Microscopy

Tüysüz, H., Lehmann, C. W., Bongard, H., Tesche, B., Schmidt, R., & Schüth, F. (2008). Direct Imaging of Surface Topology and Pore System of Ordered Mesoporous Silica (MCM-41, SBA-15, and KIT-6) and Nanocast Metal Oxides by High Resolution Scanning Electron Microscopy. Journal of the American Chemical Society, 130(34), 11510-11517. doi:10.1021/ja803362s.

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 Creators:
Tüysüz, Harun1, Author              
Lehmann, Christian W.2, Author              
Bongard, Hans3, Author              
Tesche, Bernd3, Author              
Schmidt, Roland4, Author
Schüth, Ferdi1, Author              
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445625              
3Service Department Tesche (EM), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445631              
4Hitachi High-Technologies Europe GmbH, Europark Fichtenhain A 12, 47807, Krefeld, Germany, ou_persistent22              

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 Abstract: We report here a detailed study on the surface topology of well-known ordered mesoporous silica (SBA-15, MCM-41, and KIT-6) and a series of nanocast Co3O4, Co3O4/CoFe2O4 composites by high resolution scanning electron microscopy (HR-SEM). Images of the MCM-41 structure were obtained at a resolution of the pore size, as well as a real space image of the gyroid silica surface of KIT-6 for two different aging temperatures, clearly revealing the differences of the aging procedures. By using the low voltage HR-SEM technique with extremely high resolution, we could very clearly show the influence of the template properties on the structure of the nanocast metal oxides.

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Language(s): eng - English
 Dates: 2008-05-062008-07-312008-08-27
 Publication Status: Published in print
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/ja803362s
 Degree: -

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Title: Journal of the American Chemical Society
  Other : JACS
  Abbreviation : J. Am. Chem. Soc.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 130 (34) Sequence Number: - Start / End Page: 11510 - 11517 Identifier: ISSN: 0002-7863
CoNE: https://pure.mpg.de/cone/journals/resource/954925376870