Infra-red study of carbon-oxygen surface complexes

Abstract

The infra-red spectra of the surface complexes which are produced when O₃, O₂, NO, N₂O and H₂O₂ react with very thin hydrogen-free carbon films have been determined and discussed in terms of previously published kinetic studies. The major peaks are: (i) the 5.7 µ peak, attributed to carbonyl groups, (ii) the 6.4 µ peak, attributed to lactone groups, and (iii) the 7.4 µ peak, attributed to hydroxyl groups when it appears with H₂O and H₂O₂, or to carbonyl groups when it accompanies the strong 5.7 µ peak.