Orientational ordering of perfluoroalkyl-terminated amphiphiles at the air—water interface. A comparison between polymeric and monomeric monolayers

Monolayers of poly( N-( p-perfluorodecylsulfonylphenyl)-L-prolinol acrylate) and N-( p-perfluorodecylsulfonylphenyl)-L-prolinol at the air—water interface are compared. Both monolayers exhibit a liquid-like phase in which a polar orientational order — as probed by optical second-harmonic generation...

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Bibliographic Details
Published in:Chemical physics letters 1992-05, Vol.193 (1), p.123-127
Main Authors: Hsiung, H., Beckerbauer, R.
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
Gas-liquid interface and liquid-liquid interface
General and physical chemistry
Surface physical chemistry
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Summary:Monolayers of poly( N-( p-perfluorodecylsulfonylphenyl)-L-prolinol acrylate) and N-( p-perfluorodecylsulfonylphenyl)-L-prolinol at the air—water interface are compared. Both monolayers exhibit a liquid-like phase in which a polar orientational order — as probed by optical second-harmonic generation — increases with the surface density (pressure). However, a closer packing, as well as a higher polar orientational order, are achieved in the polymeric monolayer.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(92)85694-6