Catalytic activity of interstellar grains: Formation of molecular hydrogen on amorphous silicates

Advances in Space Research

Volumn 43, Issue 8, 2009, Pages 1291-1298

  Vidali, Gianfranco ^a   Li, Ling ^a   Roser, Joseph E ^a   Badman, Ryan ^a  

^a SYRACUSE UNIVERSITY   (United States)

Author keywords

ISM: Dust; ISM: Processes; Molecular hydrogen; Silicates

Indexed keywords

AMORPHOUS MATERIALS; DUST; MOLECULAR PHYSICS; POLYCRYSTALLINE MATERIALS; SILICATE MINERALS; SILICATES;

AMORPHOUS SILICATES; EFFICIENT CATALYSTS; INTERSTELLAR DUST; INTERSTELLAR GRAINS; ISM: DUST; MEASUREMENTS OF; MOLECULAR HYDROGEN; POLYCRYSTALLINE;

CATALYST ACTIVITY;

EID: 62949163217     PISSN: 02731177     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.asr.2008.12.019     Document Type: Article

References (37)

1. Al-Halabi A., and van Dishoeck E.F. Hydrogen adsorption and diffusion on amorphous solid water ice. Mon. Not. R. Astron. Soc. 382 (2007) 1648
2. 2 O amorphous ice studied by temperature-programed desorption experiments. J. Chem. Phys. 124 (2006) 094702 9pp
3. Brucato J.R., Mennella V., Colangeli L., et al. Production and processing of silicates in laboratory and in space. Planet. Space Sci. 50 (2002) 829-837
4. Carruthers G.P. Interstellar molecular hydrogen. IAU Circ. (1970) 2250
5. 2 formation on grains of varying surface roughness. Mon. Not. Roy. Astron. Soc. 361 (2005) 565
6. Draine B.T. Interstellar dust grains. Ann. Rev. Astron. Astrophys. 41 (2003) 241-289
7. Draine B.T., and Lee H.M. Optical properties of interstellar graphite and silicate grains. Astrophys. J. 285 (1984) 89-108
8. Duley W.W., and Williams W.A. Interstellar Chemistry (1984), Academic Press, New York
9. Dulieu, F., Amiaud, L., Fillion, J.-H., Matar, E., Momeni, A., Pirronello, V., Lemaire, J.L. Experimental evidence of water formation on interstellar dust grains. In: Lemaire, J.L., Combes, F. (Eds.), Molecules in Space and Laboratory, Meeting held in Paris, France, May 14-18, S. Diana, p. 79, 2007.
10. Dwek, E. Interstellar dust: what is it, how does it evolve, and what are its consequences? In: Popescu, C.C., Tuffs, R.J. (Eds.), Proceedings of the International Workshop on the Spectral Energy Distribution of Gas-Rich Galaxies: Confronting Models with Data, AIP Conf. Ser. 761, pp. 103-122, 2005.
11. 2 formation and excitation in the diffuse interstellar medium. Astron. Astrophys. 391 (2002) 675-680
12. 2 formation rate in photon-dominated regions. Astron. Astrophys. 414 (2004) 531-544
13. Herbst E. The chemistry of interstellar space. Chem. Soc. Rev. 30 (2001) 168-176
14. Herbst, E. Astrochemistry in the gas and on dust particles. In: Wilson, A. (Ed), Proceedings of the Dusty and Molecular Universe: A Prelude to Herschel and ALMA. ESA Publications Division, pp. 205-210, 2005.
15. Hollenbach D., and Salpeter E.E. Surface adsorption of light gas atoms. J. Chem. Phys. 53 (1970) 79-86
16. Hollenbach D., and Salpeter E.E. Surface Recombination of hydrogen molecules. Astrophys. J. 163 (1971) 155-164
17. Hollenbach D., Werner M.W., and Salpeter E.E. Molecular hydrogen in HI regions. Astrophys. J. 163 (1971) 165-180
18. 2 . Astrophys. J. 197 (1975) 575-580
19. Justtanont K., de Jong T., Helmich F.P., et al. The ISO-SWS spectrum of NML Cyg. Astron. Astrophys. 315 (1996) L217-L220
20. Katz N., Furman I., Biham O., et al. Molecular hydrogen formation on astrophysically relevant surfaces. Astrophys. J. 522 (1999) 305-312
21. Li A., and Greenberg J.M. Astron. Astrophys. 323 (1997) 566-584
22. Masel R.I. Principles of Adsorption and Reaction on Solid Surfaces (1996), Wiley-Interscience, New York
23. Mathis J.S., Rumpl W., and Nordsieck K.H. The size distribution of interstellar grains. Astrophys. J. 217 (1977) 425-433
24. Miyauchi N., Hidaka H., Chigai T., Nagaoka A., Watanabe N., and Kouchi A. Formation of hydrogen peroxide and water from the reaction of cold hydrogen atoms with solid oxygen at 10 K. Chem. Phys. Lett. 456 (2008) 27-30
25. Perets H.B., Lederhendler A., Biham O., et al. Molecular hydrogen formation on amorphous silicates under interstellar conditions. Astrophys. J. 661 (2007) L163-L166
26. Pirronello V., Biham O., Liu C., et al. Efficiency of molecular hydrogen formation on silicates. Astrophys. J. 483 (1997) L131-L134
27. Pirronello V., Liu C., Shen L., and Vidali G. Laboratory synthesis of molecular hydrogen on surfaces of astrophysical interest. Astrophys. J. 475 (1997) L69-L72
28. Roser J.E., Manicó G., Pirronello V., and Vidali G. Formation of molecular hydrogen on amorphous water ice: influence of morphology and ultraviolet exposure. Astrophys. J. 581 (2002) 276-284
29. 2 formation on amorphous grains. Astrophys. Space Sci. 75 (1981) 353-363
30. Smoluchowski R. Adsorption and mobility on amorphous surfaces. Application to astrophysical problems. J. Phys. Chem. 87 (1983) 4229-4233
31. Vidali G., Pirronello V., Li L., et al. Analysis of molecular hydrogen formation on low-temperature surfaces in temperature-programmed desorption experiments. J. Phys. Chem. A 111 (2007) 12611-12619
32. Waelkens C., Waters L.B.F.M., de Graauw M.S., et al. SWS observations of young main-sequence stars with dusty circumstellar disks. Astron. Astrophys. 315 (1996) L245-L248
33. 2 O-CO ice mixtures. Astrophys. J. 668 (2007) 1001-1011
34. Waters L.B.F.M., Molster F.J., de Jong T., et al. Mineralogy of oxygen-rich dust shells. Astron. Astrophys. 315 (1996) L361-L364
35. Waters, L.B.F.M., Morris, P.W., Voors, R.H.M., Lamers, H.J.G.L.M. Dust in the nebulae surrounding LBVs. In: Nota, A., Lamers, H.J.G.L.M. (Eds.), Luminous Blue Variables: Massive Stars in Transition, Astron. Soc. Pacific Conf. Series 120, pp. 326-331, 1997.
36. Weingartner J.C., and Draine B.T. Dust grain-size distributions and extinction in the Milky Way, Large Magellanic Cloud, and Small Magellanic Cloud. Astrophys. J. 548 (2001) 296-309
37. Williams D.A., and Viti S. Recent progress in astrochemistry. Annu. Rep. Progr. Chem., Sect. C 98 (2002) 87-120