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  Cover Picture: Unusual Phase Evolution in MoVTeNb Oxide Catalysts Prepared by a Novel Acrylamide-Gelation Route

Kolen’ko, Y. V., Amakawa, K., Naumann d'Alnoncourt, R., Girgsdies, F., Weinberg, G., Schlögl, R., et al. (2012). Cover Picture: Unusual Phase Evolution in MoVTeNb Oxide Catalysts Prepared by a Novel Acrylamide-Gelation Route. ChemCatChem: heterogeneous & homogeneous & bio-catalysis, 4(4), 417-417. doi:10.1002/cctc.201290008.

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120120_Gel_Movte_reply_revised_SI.pdf (Any fulltext), 2MB
 
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 Creators:
Kolen’ko, Yuri V.1, Author              
Amakawa, Kazuhiko1, Author              
Naumann d'Alnoncourt, Raoul1, Author              
Girgsdies, Frank1, Author              
Weinberg, Gisela1, Author              
Schlögl, Robert1, Author              
Trunschke, Annette1, Author              
Affiliations:
1Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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Free keywords: acrylic acid; gelation; oxide; propane; selective oxidation; xerogel
 Abstract: Synthesis of complex oxidation catalysts The cover picture illustrates structure and crystal morphology of two important phases occurring in complex multi-metal oxide catalysts for oxidative activation of small alkane molecules. The desired single-step synthesis of valuable products by selective C-H bond activation involving complex reaction mechanisms and various intermediates gives rise to high demands on the catalyst. Only the MoVTeNb oxide M1 phase on the left side accomplishes the direct oxidation of propane to acrylic acid in one step, while the (Mo,V,Nb)5O14 oxide on the right is rather inactive. In the full paper on p. 495 ff. Y. V. Kolen'ko et al. describe the synthesis of M1 by an acrylamide-gelation approach yielding initially a blue gel. Subsequent microwave-assisted drying and calcination facilitated the formation of M1 nanocrystals with modified properties at unexpected low temperatures.

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Language(s): eng - English
 Dates: 2012-03-022012-04
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/cctc.201290008
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Title: ChemCatChem : heterogeneous & homogeneous & bio-catalysis
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 4 (4) Sequence Number: - Start / End Page: 417 - 417 Identifier: Other: 1867-3880
CoNE: https://pure.mpg.de/cone/journals/resource/1867-3880