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Nanosystems: Physics, Chemistry, Mathematics, 2019, Volume 10, Issue 3, Pages 374–382
DOI: https://doi.org/10.17586/2220-8054-2019-10-3-374-382
(Mi nano449)
 

This article is cited in 2 scientific papers (total in 2 papers)

CHEMISTRY AND MATERIAL SCIENCE

Influence of carbon or nitrogen dopants on the electronic structure, optical properties and photocatalytic activity of partially reduced titanium dioxide

V. P. Zhukova, M. G. Kostenkoa, A. A. Rempelb, I. R. Sheina

a Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences, Russia
b Institute of Metallurgy, Ural Branch of the Russian Academy of Sciences, Russia
Full-text PDF (933 kB) Citations (2)
Abstract: For titanium dioxide with anatase structure doped with carbon or nitrogen, the first-principle method of projector augmented waves (PAW) is used to calculate electronic band structure, to evaluate vacancy formation energy for the oxygen sublattice, and to analyze optical absorption. It is demonstrated that the presence of carbon dopants results in the stabilization of oxygen vacancies and leads to increased absorption in the visible spectrum, which can facilitate the photocatalytic activity. The presence of nitrogen dopant also facilitates vacancy stabilization but no increase in the interband absorption is expected in the visible spectrum, i.e., the presence of nitrogen dopant cannot be considered as a factor contributing to increased photocatalytic activity. It follows from the calculated data that the maximum photocatalytic activity should be expected for the partially-reduced anatase doped with carbon because of the absorption in the visible spectrum that combines with long time of electron-hole recombination.
Keywords: titanium dioxide, vacancies, doping, electronic structure, optical absorption, photocatalysis.
Received: 12.02.2019
Revised: 22.04.2019
Bibliographic databases:
Document Type: Article
PACS: 71.20.Nr, 61.72.Ji, 71.55.i
Language: English
Citation: V. P. Zhukov, M. G. Kostenko, A. A. Rempel, I. R. Shein, “Influence of carbon or nitrogen dopants on the electronic structure, optical properties and photocatalytic activity of partially reduced titanium dioxide”, Nanosystems: Physics, Chemistry, Mathematics, 10:3 (2019), 374–382
Citation in format AMSBIB
\Bibitem{ZhuKosRem19}
\by V.~P.~Zhukov, M.~G.~Kostenko, A.~A.~Rempel, I.~R.~Shein
\paper Influence of carbon or nitrogen dopants on the electronic structure, optical properties and photocatalytic activity of partially reduced titanium dioxide
\jour Nanosystems: Physics, Chemistry, Mathematics
\yr 2019
\vol 10
\issue 3
\pages 374--382
\mathnet{http://mi.mathnet.ru/nano449}
\crossref{https://doi.org/10.17586/2220-8054-2019-10-3-374-382}
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\elib{https://elibrary.ru/item.asp?id=38503873}
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  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Nanosystems: Physics, Chemistry, Mathematics
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