Probing the Hydration of Ultrathin Antifouling Organosilane Adlayers using Neutron Reflectometry

Neutron reflectometry data and modeling support the existence of a relatively thick, continuous phase of water stemming from within an antifouling monoethylene glycol silane adlayer prepared on oxidized silicon wafers. In contrast, this physically distinct (from bulk) interphase is much thinner and...

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Bibliographic Details
Published in:Langmuir 2014-02, Vol.30 (5), p.1199-1203
Main Authors: Pawlowska, Natalia M, Fritzsche, Helmut, Blaszykowski, Christophe, Sheikh, Sonia, Vezvaie, Mansoor, Thompson, Michael
Format: Article
Language:English
Subjects:
Biocompatible Materials - chemistry
Ethylene Glycol - chemistry
Fluoroacetates - chemistry
Molecular Structure
Neutron Diffraction
Organosilicon Compounds - chemistry
Silanes - chemistry
Surface Properties
Water - chemistry
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Summary:Neutron reflectometry data and modeling support the existence of a relatively thick, continuous phase of water stemming from within an antifouling monoethylene glycol silane adlayer prepared on oxidized silicon wafers. In contrast, this physically distinct (from bulk) interphase is much thinner and only interfacial in nature for the less effective adlayer lacking internal ether oxygen atoms. These results provide further insight into the link between antifouling and surface hydration.
ISSN:0743-7463
1520-5827
DOI:10.1021/la4038233