ISSN:
1013-9826
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Anatase nanocrystals were formed on sol-gel derived SiO2-TiO2 coatings with water vaporor hot water treatments. The anatase nanocrystals were precipitated through hydrolysis of Si-O-Tibonds, dissolution of SiO2 component, migration of hydrolyzed titania species, and nucleation andgrowth. The process temperatures can be lowered below 60oC, which should open new applications.It was found that the crystal habit of titania was changes from roundish anatase to sheet-like titania byapplying vibration during the hot water treatment. The nanosheets were identified as hydrated titania,TiO2 . mH2O, with layerd structure. The coatings of hydrated titania showed high photocatalyticactivities and excellent antifogging properties due to their unique morphology
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/51/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.317-318.565.pdf
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