Encyclopedia of Astrobiology

Living Edition
| Editors: Muriel Gargaud, William M. Irvine, Ricardo Amils, Henderson James Cleaves, Daniele Pinti, José Cernicharo Quintanilla, Michel Viso


  • Steven B. Charnley
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27833-4_1212-3



Physisorption involves van der Waals interactions between an adsorbed atom or molecule and the molecules present in a solid surface, such as that of an interstellar grain. This weak bonding contrasts with the strong, covalent bonding of chemisorption.

See Also


Bioorganic Chemistry Solid Surface Covalent Bonding Weak Bonding Adsorbed Atom 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.NASA Goddard Space Flight Center, Code 699Solar System Exploration Division, Code 691, Astrochemistry LaboratoryGreenbeltUSA