Vol. 27, issue 06, article # 10

Zakharenko V. S., Daibova E. B. Interaction of oxygen-containing compounds of the atmosphere gas phase with the surface of the sedimented aerosol produced from a TiO2 crystal. // Optika Atmosfery i Okeana. 2014. V. 27. No. 06. P. 530–533 [in Russian].
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Abstract:

It was found that under UV irradiation absorbed by titanium dioxide, in the absence of oxygen, water effectively reacts with oxygen of titanium dioxide grating. Oxygen is subsequently released into gaseous phase in the dark, thus retrieving titanium dioxide. It is supposed that the filling with oxygen of Earth’s atmosphere may take place during a similar process of reduction of oxygen-containing metal compounds of lithosphere and tropospheric solid aerosols by water under hard UV irradiation.

Keywords:

TiO2 monocrystal, dispersion under ambient air, TiO2 aerosol, О2 photoadsorption, TiO2 photoreduction

References:

1. Isidorov V.A. Organicheskaja himija atmosfery. SPb.: Himija, 1992. 165 p.
2. Parmon V.N., Zaharenko V.S. Fotokataliz i fotoadsorbcija na atmosfernyh ajerozoljah // Ajerozoli Sibiri / Pod red. K.P. Kucenogogo. Novosibirsk: Izd-vo SO RAN, 2006. P. 299–326.
3. Gercberg G. Jelektronnye spektry i stroenie mnogoatomnyh molekul. M.: Mir, 1969. 772 p.
4. Zaharenko V.S., Dajbova E.B. Vzaimodejstvie molekul vody s poverhnost'ju chastic osazhdennogo ajerozolja, poluchaemogo dispergirovaniem kristalla rutila (TiO2) na vozduhe // XX Rabochaja gruppa «Ajerozoli Sibiri». Tomsk, 2013. P. 22–23.
5. Zaharenko V.S., Dajbova E.B. Fotohimicheskaja aktivnost' osazhdennogo ajerozolja, poluchennogo iz kristalla periklaza (MgO) v uslovijah okruzhajushhego vozduha // Optika atmosf. i okeana. 2011. V. 24, N 6. P. 516–520.
6. Zaharenko V.S., Dajbova E.B. Fiziko-himicheskie svojstva osazhdennogo ajerozolja, poluchennogo iz kristalla minerala brusita Mg(OH)2, v uslovijah okruzhajushhego vozduha // Optika atmosf. i okeana. 2012. V. 25, N 8. P. 738–742.
7. Zaharenko V.S., Dajbova E.B. Adsorbcija i fotoadsorbcija gazov na poverhnosti chastic osazhdennogo ajerozolja, poluchaemogo iz kristalla magnezita MgCO3 v uslovijah okruzhajushhego vozduha // Optika atmosf. i okeana. 2013. V. 26, N 9. P. 754–758.
8. Vavilov V.S. Dejstvie izluchenij na poluprovodniki. M.: Fizmatgiz, 1963. 352 p.
9. Volodin A.M. Issledovanie metodom JePR mehanizma obrazovanija centrov na poverhnosti MgO v prisutstvii molekul N2O i O2 // Zh. him. fiz. 1992. V. 11, N 8. P. 1054–1063.
10. Gonzalez-Elipe A.R., Soria J. ESR study of the radicals formed by ultraviolet irradiation of TiO2 in the presence of sulfur dioxide and oxygen // J. Chem. Soc. Faraday Trans. I. 1986. V. 82, N 3. P. 739–743.
11. Zakharenko V.S. Photoadsorption and photocatalytic oxidation on the metal oxide. Components of tropospheric solid aerosols under the Earth’s atmosphere condition // Catal. Today. 1997. V. 39, N 3. P. 243–249.
12. Du Y., Deskins N.A., Zhang Z., Dohnalek Z., Dupuis M., Lyubinetsky I. Two pathways for water interaction with oxygen adatom on TiO2 (110) // Phys. Rev. Lett. 2009. V. 102, N 9. P. 96102–96104.
13. Mashhenko A.I., Sharapov V.M., Kazanskij V.B., Kiselev V.F. Vozniknovenie signalov JePR pri nizkotemperaturnoj adsorbcii gazov na vosstanovlennom rutile (TiO2) // Teor. jeksperim. him. 1965. V. 1, N 2. P. 381–385.
14. Kazanskij V.B., Nikisha V.V., Shelimov B.N. O vozmozhnoj roli jelektronov provodimosti v jelementarnyh reakcijah ion-radikalov kisloroda, adsorbirovannyh na poverhnosti TiO2 // Dokl. AN SSSR. 1969. V. 188, N 1. P. 112–114.
15. Cherkashin A.E., Volodin A.M., Koshheev S.V., Zaharenko V.S. Jenergeticheskoe stroenie, fotoadsorbcionnye i fotokataliticheskie svojstva dvuokisi titana v reakcii okislenija okisi ugleroda // Uspehi fotoniki. 1980. N 7. P. 86–142.
16. Vorontsov A.V., Kurkin E.N., Savinov E.N. Study of TiO2 deactivation during gaseous acetone photocatalytic oxydation // J. Catal. 1999. V. 186. P. 318–324.
17. Zakharenko V.S., Cherkashin A.E., Keier N.P. Zavisimost' fotokataliticheskoj aktivnosti okisi cinka v reakcii okislenija okisi ugleroda ot vremeni kontakta s reakcionnoj smes'ju // React. Kinet. Catal. Lett. 1974. V. 1, N 3. P. 381–387.
18. Brimblkumb P. Sostav i himija atmosfery. M.: Mir, 1988. 351 p.
19. Koval'skaja G.A. Jelementnyj sostav atmosfernyh ajerozolej v massovyh edinicah kak funkcija tipov pochvy, podvergshejsja vetrovoj jerozii // Optika atmosf. i okeana. 2002. V. 15, N 5–6. P. 506–510.