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Synthesis and characterisation of microporous titania membranes by dip-coating of anodised alumina substrates using sol–gel method
Department of Materials Engineering, Isfahan University of Technology.
tment of Materials Engineering, Isfahan University of Technology.ORCID iD: 0000-0002-7527-719X
tment of Materials Engineering, Isfahan University of Technology.
2008 (English)In: Journal of Alloys and Compounds, ISSN 0925-8388, E-ISSN 1873-4669, Vol. 461, no 1-2, 331-335 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this work was to synthesis microporous titania membranes by dip-coating of symmetric mesoporous anodised alumina substrates using sol–gel method. A stable titania sol containing nanoparticles was first prepared by establishing the proper values of the acid/alkoxide and the water/alkoxide molar ratios and pH. The titania sol was then utilised to dip-coat the anodised alumina substrates. The effects of dipping time, withdrawal rate, and sintering temperature were studied for both single- and double-layer coated samples. The thickness, structure and phase analysis of the coated membranes were characterised using thermogravimetric analysis, scanning electron microscopy and X-ray diffraction. The process conditions to achieve uniform, microporous titania coatings on the mesoporous alumina substrates were proposed.

Place, publisher, year, edition, pages
Elsevier, 2008. Vol. 461, no 1-2, 331-335 p.
Keyword [en]
Sol–gel processes, Oxide materials, Nanofabrications, Coating materials
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:hj:diva-24224DOI: 10.1016/j.jallcom.2007.06.114ISI: 000258036500068Scopus ID: 2-s2.0-44649157641OAI: oai:DiVA.org:hj-24224DiVA: diva2:732538
Available from: 2014-07-04 Created: 2014-07-04 Last updated: 2016-10-28

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