Photocatalytic degradation of acetone and butane on mesoporous titania layers

0346452 - ÚACH 2011 RIV GB eng J - Journal Article
Štengl, Václav - Houšková, Vendula - Bakardjieva, Snejana - Murafa, Nataliya
Photocatalytic degradation of acetone and butane on mesoporous titania layers.
New Journal of Chemistry. Roč. 34, č. 9 (2010), s. 1999-2005. ISSN 1144-0546. E-ISSN 1369-9261
R&D Projects: GA ČR GA203/08/0334
Institutional research plan: CEZ:AV0Z40320502
Keywords : thin-films * gaseous acetone * oxidation * TIO2
Subject RIV: CA - Inorganic Chemistry
Impact factor: 2.631, year: 2010

Mesoporous titania was prepared by homogeneous hydrolysis of titanium oxo-sulfate with urea in aqueous solutions in the presence of the cationic and anionic surfactants, cetyl trimethyl ammonium bromide (CTAB) and sodium dodecyl benzene sulfonate (SDBS), respectively. Following annealing at 600 °C the structure of prepared samples was determined with X-ray powder diffraction (XRD) and selected area electron diffraction (SAED). The morphology and microstructure characteristics were also obtained by scanning electron microscopy (SEM) and high resolution electron microscopy (HRTEM). Surface area (BET) and porosity were also determined. From the mesoporous titania samples, a 300 μm thin layer on glass desk 10 × 15 cm was created. The photocatalytic activity of the prepared layers was assessed from the kinetics of the photocatalytic degradation of butane and acetone in the gas phase.
Permanent Link: http://hdl.handle.net/11104/0187476