Document Detail


A nanoscale gas state.
MedLine Citation:
PMID:  17501217     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We show that a very thin (5-80 nm) gas phase can exist for a long time (>1 h) at the interface between a hydrophobic solid and water. We create the gas phase from CO2, which allows us to determine the chemical identity, phase state, and density via infrared spectroscopy. The average density reveals that the gas is at approximately atmospheric pressure, which explains the unexpectedly long lifetime of the gas phase under ambient conditions. The nanoscale gas phase is reproducibly created under conditions where gas solubility is varied.
Authors:
Xue H Zhang; Abbas Khan; William A Ducker
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Publication Detail:
Type:  Journal Article     Date:  2007-03-26
Journal Detail:
Title:  Physical review letters     Volume:  98     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-05-15     Completed Date:  2007-07-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  136101     Citation Subset:  -    
Affiliation:
Department of Chemical and Biomolecular Engineering, University of Melbourne, Melbourne 3010, Australia.
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