Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Photocatalytic Reduction of NO by CO on Titanium Dioxide under Visible Light Irradiation. / Lisachenko, Andrei A.; Mikhailov, Ruslan V.; Basov, Lev L.; Shelimov, Boris N.; Che, Michel.
в: Journal of Physical Chemistry C, Том 111, № 39, 2007, стр. 14440–14447.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Photocatalytic Reduction of NO by CO on Titanium Dioxide under Visible Light Irradiation
AU - Lisachenko, Andrei A.
AU - Mikhailov, Ruslan V.
AU - Basov, Lev L.
AU - Shelimov, Boris N.
AU - Che, Michel
PY - 2007
Y1 - 2007
N2 - It is shown for the first time that the photoassisted reduction of NO by CO into N2 and N2O can occur on TiO2 catalysts upon visible light irradiation (λ > 380 nm) at room temperature. The selectivity of photoreduction of NO into N2 reaches 90−95%. The CO2 formed which predominantly remains on the surface can be quantitatively desorbed after completion of the photoreaction by heating TiO2 to 500 K. The rates of NO consumption and product accumulation remain virtually constant upon successive admissions of the CO−NO mixture thus indicating a high stability of catalyst activity. It is found that the quantum yield of NO photoreduction by CO is considerably greater for visible light irradiation (λ = 405 + 436 nm) than for UV irradiation (λ = 365 nm). Experiments with 18O-enriched NO revealed that, under visible light irradiation, an intense oxygen isotopic exchange between NO and TiO2 develops. The photocatalytic reaction requires the presence in nonstoichiometric TiO2-x of electron-donor centers (Ti3+ ions, F an
AB - It is shown for the first time that the photoassisted reduction of NO by CO into N2 and N2O can occur on TiO2 catalysts upon visible light irradiation (λ > 380 nm) at room temperature. The selectivity of photoreduction of NO into N2 reaches 90−95%. The CO2 formed which predominantly remains on the surface can be quantitatively desorbed after completion of the photoreaction by heating TiO2 to 500 K. The rates of NO consumption and product accumulation remain virtually constant upon successive admissions of the CO−NO mixture thus indicating a high stability of catalyst activity. It is found that the quantum yield of NO photoreduction by CO is considerably greater for visible light irradiation (λ = 405 + 436 nm) than for UV irradiation (λ = 365 nm). Experiments with 18O-enriched NO revealed that, under visible light irradiation, an intense oxygen isotopic exchange between NO and TiO2 develops. The photocatalytic reaction requires the presence in nonstoichiometric TiO2-x of electron-donor centers (Ti3+ ions, F an
U2 - 10.1021/jp072158c
DO - 10.1021/jp072158c
M3 - статья
VL - 111
SP - 14440
EP - 14447
JO - Journal of Physical Chemistry C
JF - Journal of Physical Chemistry C
SN - 1932-7447
IS - 39
ER -
ID: 5369939