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Polish Journal of Chemistry

Tytuł artykułu

Insoluble Amphiphiles at the Air/Water Interface. The Characteristics of Alcohols Monolayers

Autorzy Wydro, P.  Hąc-Wydro, K.  Paluch, M. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN In this paper thorough characteristics of monolayers formed at the air/water interface by two alcohols namely hexadecanol and octadecanol has been presented. The experiments were based on surface pressure/area and surface potential measurements. The visualization of monolayers has been performed using Brewster Angle Microscopy. It has been found that both alcohols form at the air/water interface condensed monolayers with transition between liquid condensed (LC) and solid (S) state. From the experimental results the thickness of monolayers has been calculated and compared with theoretical value. These calculations allow drawing conclusion of the slope of the hydrocarbon tails of investigated alcohols in monolayers. From the surface potential measurements the conformation of the O–H bond and the orientation of dipolemoments of both alcohols have been proposed. Moreover, the stability of monolayers formed by investigated alcohols has been studied and it has been found lower stability of hexadecanol monolayers in comparison with those formed by octadecanol.
Słowa kluczowe
EN insoluble monolayers   surface potential   Brewster angle microscopy   relative reflectivity  
Wydawca Polskie Towarzystwo Chemiczne
Czasopismo Polish Journal of Chemistry
Rocznik 2006
Tom Vol. 80, nr 12
Strony 2041--2054
Opis fizyczny Bibliogr. 27 poz. rys.
autor Wydro, P.
autor Hąc-Wydro, K.
autor Paluch, M.
  • Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
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