Gas-surface interactions and heterogeneous chemistry on interstellar grains analogues

J. H. Fillion, Francois Dulieu, C. Romanzin, S. Cazaux

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

1 Citation (Scopus)


Detailed laboratory studies and progress in surface science technique, have allowed in recent years the first experimental confirmation of surface reaction schemes, as introduced by Tielens, Hagen and Charnley [1,2]. In this paper, we review few heterogeneous processes which give routes to form elementary molecules considered as precursors for explaining the variety and richness of molecular species in the interstellar medium. Adsorption, diffusion and reaction processes are discussed. With emphasis on the experimental approaches, but also supported by theoretical developments, progresses in the understanding of the "catalytic role" of a dust grain surface in various physical conditions are described. Recent advances made on few important species (H2, H2O, CH3OH) are used to illustrate basic properties and raise open questions.

Original languageEnglish
Title of host publicationChemistry in Astrophysical Media, AstrOHP 2010
PublisherEDP Sciences
ISBN (Electronic)9782759807123
Publication statusPublished - 27 Jan 2012
EventChemistry in Astrophysical Media, AstrOHP 2010 - Saint-Michel-l'Observatoire, France
Duration: 22 Sep 201024 Sep 2010


ConferenceChemistry in Astrophysical Media, AstrOHP 2010


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