Photochemical Properties of Precipitated Titania Aerosol Produced by Powdering of Crystal Rutile under Ambient Air | Zendy

В. С. Захаренко | Zendy; A. P. Filimonov | Zendy

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Photochemical Properties of Precipitated Titania Aerosol Produced by Powdering of Crystal Rutile under Ambient Air

Author(s) -

В. С. Захаренко,

A. P. Filimonov

Publication year - 2012

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.436

H-Index - 50

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2013/614724

Subject(s) - rutile , chemistry , absorption (acoustics) , quantum yield , crystal (programming language) , photochemistry , oxygen , titanium dioxide , carbon fibers , yield (engineering) , inorganic chemistry , chemical engineering , optics , organic chemistry , metallurgy , physics , computer science , fluorescence , programming language , engineering , materials science , composite number , composite material

It is shown that the quantum yields of oxygen photoadsorption and carbon dioxide photodesorption on TiO2 are significantly higher under illumination by quanta with energy from the surface absorption region of TiO2 when it is not produced by the traditional way, but from the rutile crystal. The magnitudes and spectral dependencies of the quantum yield of photoadsorption and photodesorption for TiO2 produced from a monocrystal are determined. A mechanism of a sharp increase of the titania photoadsorption activity in the surface absorption region is proposed

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