Article Dans Une Revue The European Physical Journal D : Atomic, molecular, optical and plasma physics Année : 2021

Photofragmentation and electron detachment of aromatic phosphonate, sulfonate and phosphate oxyanions

Résumé

The photodetachment energy threshold, as well as vibrationally-resolved spectral signatures of the lower lying excited states and dipole bound states in model aromatic phosphonate, sulfonate and phosphate oxyanions have been investigated using a photofragmentation spectrometer equipped with a cold ion trap. The effect of the laser excitation was monitored by mass-selective detection of product ion fragments or, alternatively, measuring the yield of the complementary neutral radicals discriminated according to their kinetic energy. The anions phenylphosphate, phenylsulfonate and p-toluenesulfonate evidenced the expected behaviour, characterised by the predominance of ionic fragmentation processes, at low energies, rapidly evolving to a scenario controlled by the electron photodetachment channel at higher energies. Surprisingly for such a similar system, the phenylphosphonate anion does not have any ionic fragmentation channels and only exhibits the presence of dipole bound states.

Fichier principal
Vignette du fichier
Phosphates_manuscript_AuthorVersion.pdf (14.32 Mo) Télécharger le fichier
Origine Fichiers produits par l'(les) auteur(s)
Licence

Dates et versions

hal-03169735 , version 1 (15-03-2021)

Licence

Identifiants

Citer

Jennifer A. Noble, Ernesto Marceca, Claude Dedonder, Isaure Carvin, Eric Gloaguen, et al.. Photofragmentation and electron detachment of aromatic phosphonate, sulfonate and phosphate oxyanions. The European Physical Journal D : Atomic, molecular, optical and plasma physics, 2021, 75 (3), ⟨10.1140/epjd/s10053-021-00094-8⟩. ⟨hal-03169735⟩
214 Consultations
324 Téléchargements

Altmetric

Partager

  • More