Browsing by Author "Parfitt, G. D."

Filter results by typing the first few letters
Now showing 1 - 1 of 1
  • No Thumbnail Available
    Item
    Infra-red study of the surface properties of rutile: Deuterium exchange, carbon dioxide and but-1-ene adsorption
    (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1972, 68 (5), 1972) Jackson, P.; Parfitt, G. D.
    Deuterium exchange with surface hydroxyl groups on rutile was studied using D2 and D2O; the former completely exchanges at 300°C (2 h) with evidence for surface reduction, while the latter does not achieve complete exchange with the saturated vapour at room temperature. The shift in infra-red frequencies on deuteration verified previous assignments of surface species as being hydrogenic and also indicated the physical inaccessibility of certain species. Adsorption of CO2 produced a labile bicarbonate species and indicates the separate chemical identity of the two surface hydroxyl species represented by peaks at 3700 and 3670 cm–1. But-1-ene interacts with the rutile surface at 150°C with formation of surface alkoxide, and indicates the presence of inaccessible surface groups, but gives no evidence for preferential reaction by one of the hydroxyl groups.