Layer-by-layer growth of neon adsorbed on exfoliated graphite

Neon isotherms adsorbed on exfoliated graphite were measured in the temperature interval of 93.5 to 24 K up to about eleven layers, using the volumetric method. Layer-by-layer growth is clearly observed up to the fourth layer. From there on, the growth mode shows that the saturation vapor pressure i...

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Bibliographic Details
Published inSurface science Vol. 160; no. 2; pp. L524 - L528
Main Authors Lerner, E., Hanono, F., Gatts, C.E.N.
Format Journal Article
LanguageEnglish
Published Lausanne Elsevier B.V 01.01.1985
Amsterdam Elsevier Science
New York, NY
Subjects
Chemistry
Exact sciences and technology
General and physical chemistry
Solid-gas interface
Surface physical chemistry
Inorganic adsorbate
Gas solid adsorption
Neon
Electron diffraction
Graphite
Gas solid interface
Adsorption isotherm
Noble gas
Inorganic adsorbent
Experimental study
Carbon
Physical method
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Summary:Neon isotherms adsorbed on exfoliated graphite were measured in the temperature interval of 93.5 to 24 K up to about eleven layers, using the volumetric method. Layer-by-layer growth is clearly observed up to the fourth layer. From there on, the growth mode shows that the saturation vapor pressure is approached asymptotically. Analysis of the data indicates that in the studied temperature interval the adsorbed neon behaves as type 1 film, that is, complete wetting occurs for these temperatures.
ISSN:0039-6028
1879-2758
DOI:10.1016/0039-6028(85)90777-0