2013
DOI: 10.1016/j.saa.2012.09.067
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Spectroscopic analyses on ROS generation catalyzed by TiO2, CeO2/TiO2 and Fe2O3/TiO2 under ultrasonic and visible-light irradiation

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Cited by 27 publications
(11 citation statements)
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“…Therefore, the bandgap width was calculated from the diffuse reflectance spectrum of CFP (Figure S8). On the basis of the formula E g = 1240/λ g , bandgap energy was calculated to be 1.41 eV, which is tremendously lower than the majority of inorganic sonosensitizers (such TiO 2 , CeO 2 , and BaTiO 3 ). , The rapid energy-motivated separation of electron (e−)/hole (h+) pairs of CFP semiconductors resulting from a narrower bandgap could facilitate enhanced US-mediated ROS production.…”
Section: Results and Discussionmentioning
confidence: 99%
“…Therefore, the bandgap width was calculated from the diffuse reflectance spectrum of CFP (Figure S8). On the basis of the formula E g = 1240/λ g , bandgap energy was calculated to be 1.41 eV, which is tremendously lower than the majority of inorganic sonosensitizers (such TiO 2 , CeO 2 , and BaTiO 3 ). , The rapid energy-motivated separation of electron (e−)/hole (h+) pairs of CFP semiconductors resulting from a narrower bandgap could facilitate enhanced US-mediated ROS production.…”
Section: Results and Discussionmentioning
confidence: 99%
“…While nanostructured ceria is an active photocatalyst upon UV and visible light excitation [16][17][18], the contact between ceria and titania is known to provide rather active materials irrespective of the illumination wavelength [19]. Such contact has been applied for the elimination of organic pollutants through reduction and/or oxidation reactions [20][21][22][23][24][25][26][27][28][29][30][31][32][33][34] and, very recently, for the inactivation of microorganisms [29,31].…”
Section: Introductionmentioning
confidence: 99%
“…9-13 For example, Song et al 12 prepared La-doped TiO 2 , which showed a high sonocatalytic degradation rate of amaranth. Zou et al 13 have reported the synthesis of CeO 2 -modied TiO 2 as a sonocatalyst and the reaction rate was 3.3 times as high as that of ultrasound alone. Zhang, and Kubo and their co-workers described that the sonocatalytic degradation rate of organic pollutants in the presence of activated carbon/ TiO 2 composites was 1.2 and 1.5 times higher than that of P25, respectively.…”
Section: Introductionmentioning
confidence: 99%