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Gas phase synthesis of titania with aerogel character and its application as a support in oxidation catalysis

Gas phase synthesis of titania with aerogel character and its application as a support in oxidation catalysis

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DILGER, Stefan, Christian HINTZE, Michael KRUMM, Carlos LIZANDARA PUEYO, Salem DEEB, Sebastian PROCH, Sebastian POLARZ, 2010. Gas phase synthesis of titania with aerogel character and its application as a support in oxidation catalysis. In: Journal of Materials Chemistry. 20(44), pp. 10032-10040. ISSN 0959-9428

@article{Dilger2010phase-13960, title={Gas phase synthesis of titania with aerogel character and its application as a support in oxidation catalysis}, year={2010}, doi={10.1039/c0jm00769b}, number={44}, volume={20}, issn={0959-9428}, journal={Journal of Materials Chemistry}, pages={10032--10040}, author={Dilger, Stefan and Hintze, Christian and Krumm, Michael and Lizandara Pueyo, Carlos and Deeb, Salem and Proch, Sebastian and Polarz, Sebastian} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/13960"> <dc:rights>deposit-license</dc:rights> <dcterms:abstract xml:lang="eng">Titania materials with structures resembling aerogels are presented in the current contribution. In contrast to the classical routes the aerogel-like TiO2 materials discussed here are prepared exclusively by a high-temperature aerosol process. Thus, the titania particles forming the network are highly pure, highly crystalline and their surfaces are free of any additives. It is shown that the structure of the materials (particle-size, porosity, surface area, crystallinity, and phase composition) depends on a complex interplay of different parameters (temperature gradients, precursor concentration, residence time, etc.). However, the understanding of those correlations enables the preparation of tailor made titania materials with aerogel-like structure. The size of the primary, nanocrystalline particles can be varied systematically from 13 nm to 70 nm. The composition regarding the two different crystalline phases anatase and rutile can be adjusted as an independent parameter. Finally, the aerogel-like TiO2 materials were loaded with Au clusters and the activity in oxidation catalysis was investigated.</dcterms:abstract> <dc:contributor>Lizandara Pueyo, Carlos</dc:contributor> <dc:contributor>Dilger, Stefan</dc:contributor> <dc:contributor>Krumm, Michael</dc:contributor> <dc:creator>Hintze, Christian</dc:creator> <dcterms:bibliographicCitation>First publ. in: Journal of Materials Chemistry 20 (2010), 44, pp. 10032-10040</dcterms:bibliographicCitation> <dcterms:issued>2010</dcterms:issued> <dc:language>eng</dc:language> <dc:creator>Lizandara Pueyo, Carlos</dc:creator> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dc:contributor>Deeb, Salem</dc:contributor> <dc:contributor>Polarz, Sebastian</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-07-11T07:23:39Z</dc:date> <dc:contributor>Proch, Sebastian</dc:contributor> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-07-11T07:23:39Z</dcterms:available> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/13960"/> <dc:creator>Polarz, Sebastian</dc:creator> <dc:creator>Dilger, Stefan</dc:creator> <dc:creator>Krumm, Michael</dc:creator> <dcterms:title>Gas phase synthesis of titania with aerogel character and its application as a support in oxidation catalysis</dcterms:title> <dc:creator>Deeb, Salem</dc:creator> <dc:contributor>Hintze, Christian</dc:contributor> <dc:creator>Proch, Sebastian</dc:creator> </rdf:Description> </rdf:RDF>

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