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Ionization of covalent immobilized poly(4-vinylphenol) monolayers measured by ellipsometry, QCM and SPR
University of Massachusetts Lowell, United States.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
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2015 (English)In: Applied Surface Science, ISSN 0169-4332, E-ISSN 1873-5584, Vol. 343, 166-171 p.Article in journal (Refereed) Published
Abstract [en]

Covalently immobilized poly(4-vinylphenol) (PVP) monolayer films were fabricated by spin coating PVP on perfluorophenyl azide (PFPA)-functionalized surfaces followed by UV irradiation. The pH-responsive behavior of these PVP ultrathin films was evaluated by ellipsometry, quartz crystal microbalance (QCM) and surface plasmon resonance (SPR). By monitoring the responses of these films to pH in situ, the ionization constant of the monolayer thin films was obtained. The apparent plc, value of these covalently immobilized PVP monolayers, 13.4 by SPR, was 3 units higher than that of the free polymer in aqueous solution.

Place, publisher, year, edition, pages
2015. Vol. 343, 166-171 p.
Keyword [en]
Poly(4-vinylphenol), Monolayer, Perfluorophenyl azide, pH response, Ionization constant
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-171660DOI: 10.1016/j.apsusc.2015.03.014ISI: 000353381900022Scopus ID: 2-s2.0-84928802560OAI: oai:DiVA.org:kth-171660DiVA: diva2:846090
Note

QC 20150814

Available from: 2015-08-14 Created: 2015-08-05 Last updated: 2017-12-04Bibliographically approved

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