Ion-molecule surface reactions induced by slow (5–20 eV) electrons

Publisher Website

6 July 1987

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 59 (1) , 136-139
https://doi.org/10.1103/physrevlett.59.136

Abstract

Electron-stimulated desorption of

H^{-}

,

O^{-}

, and

{OH}^{-}

ions from a metal-deposited multilayer

O_{2}

film covered with

C_{n}

H_{2 n + 2}

molecules is reported for the incident energy range 5–20 eV. By producing selectively with the electron beam

O^{-}

(^{2}

P) ions on the film, via the dissociative attachment reaction

O_{2}

(^{3}

Σ_{g}^{-}

)+

e^{-}

→

O_{2}^{-}

(^{2}

Π_{u}

,^{2}

Σ_{g}^{+}

) →

O^{-}

(^{2}

P)+O

(^{3}

P), the surface reaction

O^{-}

+

C_{n}

H_{2 n + 2}

→

{OH}^{-}

+

C_{n}

H_{2 n + 1}

can be induced and controlled.

This publication has 16 references indexed in Scilit:

The dynamics of Cl− + H2 reactive collisions
Chemical Physics, 1985
Synergisms in surface erosion: Session summary
Radiation Effects, 1985
Interaction of low-energy electrons (1—30 eV) with condensed molecules: II. Vibrational-librational excitation and shape resonances in thin $N_{2}$ and CO films
Physical Review B, 1984
Dissociative Attachment in Electron Scattering from Condensed $O_{2}$ and CO
Physical Review Letters, 1984
Electron detachment from Cl⁻ in collisions with H₂ and D₂ (5≲E_rel≲50 eV)
The Journal of Chemical Physics, 1980
Transmission of 0–15 eV monoenergetic electrons through thin-film molecular solids
The Journal of Chemical Physics, 1979
Collisional detachment in collisions of ${Cl}^{-}$ with the rare gases
Physical Review A, 1976
Reactions of O− with N2, N2O, SO2, NH3, CH4, and C2H4 and C2H2− with O2 from 300 °K to relative kinetic energies of ∼2 eV
The Journal of Chemical Physics, 1975
Reactions of the O– negative ion with hydrogen and the lower hydrocarbons
Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, 1972
Thermal reactions of O⁻ ions with saturated hydrocarbon molecules
Canadian Journal of Chemistry, 1969