Journal
KINETICS AND CATALYSIS
Volume 54, Issue 3, Pages 373-377Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S0023158413030087
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- Russian Federation [MD-4389.2008.2]
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Titanium dioxide doped with nitrogen (N-TiO2) was studied by electron paramagnetic resonance spectroscopy. Two types of paramagnetic centers were observed: N-center dot and NO. The concentration of these centers depends significantly on temperature and irradiation with visible and UV light. It was established that the energy levels corresponding to the N-center dot and NO centers are, respectively, 2.3 and 2.0 eV below the N-TiO2 conduction band. These centers are involved in the photooxidation of organic compounds on the N-TiO2 surface.
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