TY - JOUR
T1 - Influence of the form of photodeposited platinum on titania upon its photocatalytic activity in CO and acetone oxidation
AU - Vorontsov, Alexander V.
AU - Savinov, Evgueni N.
AU - Zhensheng, Jin
PY - 1999/8
Y1 - 1999/8
N2 - Specimens of titania with platinum in various oxidation states deposited by a photocatalytic method, as well as mixture of PtO2 + TiO2, and PtO2 have been studied by means of XPS, TEM and UV-VIS diffuse reflectance spectroscopy. Activities of the specimens in thermal and photocatalytic complete oxidation of gaseous acetone and CO by atmospheric oxygen at 40°C have been evaluated using a flow-circulating reactor. Photocatalytic activity increases with lowering of Pt oxidation state. Possible reasons of this behavior are discussed.
AB - Specimens of titania with platinum in various oxidation states deposited by a photocatalytic method, as well as mixture of PtO2 + TiO2, and PtO2 have been studied by means of XPS, TEM and UV-VIS diffuse reflectance spectroscopy. Activities of the specimens in thermal and photocatalytic complete oxidation of gaseous acetone and CO by atmospheric oxygen at 40°C have been evaluated using a flow-circulating reactor. Photocatalytic activity increases with lowering of Pt oxidation state. Possible reasons of this behavior are discussed.
KW - Photocatalytic oxidation
KW - Photodeposition
KW - Platinized titanium dioxide
UR - http://www.scopus.com/inward/record.url?scp=0347417164&partnerID=8YFLogxK
U2 - 10.1016/S1010-6030(99)00073-8
DO - 10.1016/S1010-6030(99)00073-8
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AN - SCOPUS:0347417164
SN - 1010-6030
VL - 125
SP - 113
EP - 117
JO - Journal of Photochemistry and Photobiology A: Chemistry
JF - Journal of Photochemistry and Photobiology A: Chemistry
IS - 1-3
ER -