Electron paramagnetic resonance and X-ray photoelectron spectroscopy investigations prove—for the first time—that the proximity of surface F and surface/second layer B generates hole-trapping species responsible for a remarkable photocatalytic activity of rutile TiO2, even for low-surface-area materials. A careful synthetic design of doped TiO2 containing a high concentration of these species may lead to significantly enhanced performances in pollutant degradation.
Synergistic Role of B and F Dopants in Promoting the Photocatalytic Activity of Rutile TiO2 / Fittipaldi, M., Gombac, V., Gasparotto, A., Deiana, C., Adami, G., Barreca, D., Montini, T., Martra, G., Gatteschi, D., Fornasiero, P.. - In: CHEMPHYSCHEM. - ISSN 1439-7641. - STAMPA. - 12:(2011), pp. 2221-2224. [10.1002/cphc.201100254]
Synergistic Role of B and F Dopants in Promoting the Photocatalytic Activity of Rutile TiO2
GOMBAC, VALENTINA;ADAMI, GIANPIERO;MONTINI, TIZIANO;FORNASIERO, Paolo
2011-01-01
Abstract
Electron paramagnetic resonance and X-ray photoelectron spectroscopy investigations prove—for the first time—that the proximity of surface F and surface/second layer B generates hole-trapping species responsible for a remarkable photocatalytic activity of rutile TiO2, even for low-surface-area materials. A careful synthetic design of doped TiO2 containing a high concentration of these species may lead to significantly enhanced performances in pollutant degradation.Pubblicazioni consigliate
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