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The first principles calculations of CO2 adsorption on (10 1 ̄ 0) ZnO surface

  • A. B. Usseinov*
  • , A. T. Akilbekov
  • , E. A. Kotomin
  • , A. I. Popov
  • , D. D. Seitov
  • , K. A. Nekrasov
  • , Sh G. Giniyatova
  • , Zh T. Karipbayev
  • *Corresponding author for this work
  • L.N. Gumilyov Eurasian National University
  • Ural Federal University

Research output: Chapter in Book/Report/Conference proceedingConference paperResearchpeer-review

12 Citations (Scopus)

Abstract

Atomistic understanding of the interaction between defects and active surface of the sensor is necessary for the developing devices detecting bio-and gas mixtures. We performed first principles computer simulations of the carbon dioxide (CO2) molecule adsorption on a ZnO surface in various configurations and location on the surface. It is shown that the tridentate configuration is the most energetically favorable, the binding energy of the molecule weakly depends on the surface coverage. The presence of intrinsic defects on the surface, such as an oxygen vacancy, leads to a small reduction of the binding energy. The observed data from the NEXAFS experiment and hypothetical formation of a new compound H2CO on the surface are discussed in the light of our calculations.

Original languageEnglish
Title of host publicationPhysics, Technologies and Innovation, PTI 2019
Subtitle of host publicationProceedings of the VI International Young Researchers� Conference
EditorsVladimir A. Volkovich, Sergey V. Zvonarev, Ilya V. Kashin, Andrey A. Smirnov, Evgeniy D. Narkhov
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735419216
DOIs
Publication statusPublished - 6 Dec 2019
Event6th International Young Researchers'' Conference on Physics, Technologies and Innovation, PTI 2019 - Ekaterinburg, Russian Federation
Duration: 20 May 201923 May 2019

Publication series

NameAIP Conference Proceedings
Volume2174
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference6th International Young Researchers'' Conference on Physics, Technologies and Innovation, PTI 2019
Country/TerritoryRussian Federation
CityEkaterinburg
Period20/05/1923/05/19

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