Physical Chemistry of Surface Phenomena

Russian Journal of Physical Chemistry A, Focus on Chemistry

, Volume 82, Issue 12, pp 2152-2155

The adsorption properties of titanium dioxide

  • S. N. LaninAffiliated withFaculty of Chemistry, Moscow State University Email author 
  • , E. V. VlasenkoAffiliated withFaculty of Chemistry, Moscow State University
  • , N. V. KovalevaAffiliated withFaculty of Chemistry, Moscow State University
  • , Fam Tien ZungAffiliated withFaculty of Chemistry, Moscow State University

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Abstract

The adsorption properties of titanium dioxide were studied by gas chromatography. We used organic compounds from different classes, namely, n-alkanes, n-alkenes (C6-C8), and polar compounds (electron donors and acceptors) as test adsorbates. The differential heats of adsorption and the contributions of dispersion and specific intermolecular interaction energies were determined for the systems from the experimental retention data. The electron-donor and electron-acceptor characteristics of the ultimately hydroxylated surface of TiO2 were evaluated.