Preparation and Characterization of Ag-Doped Crystalline Titania for Photocatalysis Applications

0372036 - ÚCHP 2012 RIV NL eng J - Článek v odborném periodiku
Krejčíková, Simona - Matějová, Lenka - Kočí, K. - Obalová, L. - Matěj, Z. - Čapek, L. - Šolcová, Olga
Preparation and Characterization of Ag-Doped Crystalline Titania for Photocatalysis Applications.
Applied Catalysis B - Environmental. 111-112, - (2012), s. 119-125. ISSN 0926-3373. E-ISSN 1873-3883
Grant CEP: GA ČR GD203/08/H032; GA ČR GA104/09/0694
Výzkumný záměr: CEZ:AV0Z40720504
Klíčová slova: TiO2 * photocatalysis * silver
Kód oboru RIV: CF - Fyzikální chemie a teoretická chemie
Impakt faktor: 5.825, rok: 2012

Five pure and silver-enriched TiO2 catalysts with various Ag loading (0 - 5.2 wt.%) were prepared by the sol-gel technique from nonionic surfactant Triton X-114, cyclohexane, water (or water solution of AgNO3) and metal precursor. Calcination at 400 °C for 4 hours was applied to convert prepared gels to pure anatase crystalline powders. Effects of silver doping on titanium photocatalyst properties was evaluated. Two“green“photocatalytic reactions were chosen for photocatalytic experiments: photocatalytic reduction of CO2 and photocatalytic oxidation of 4-Chlorophenol (4-CP) water solution. Both photocatalytic reactions were carried at mild conditions (room temperature and ambient pressure or pH 7).
Trvalý link: http://hdl.handle.net/11104/0205431