Probing the Interfacial Structure of Bilayer Plasma Polymer Films via Neutron Reflectometry

Yali Li, Andrew Nelson, Christopher D. Easton, David R. Nisbet, John S. Forsythe, Benjamin Ward Muir

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Bilayer plasma polymer (PP) films were examined using a combination of X-ray and neutron reflectometery and X-ray photoelectron spectroscopy to gain an understanding of the interfacial structures that form between the films. Three different PP films were produced from the monomers hexamethyldisiloxane (HMDSO), di(ethylene glycol) dimethyl ether (DG), and allylamine (AA) at different load powers. These films were used as "substrates" for the subsequent deposition of a deuterated DG (dDG) PP top film. The width of the interfacial region was found to be strongly dependent on the chemical and physical properties of the substrate film. These findings have relevance to the general use and application of plasma polymer films. We examine the effect of load power and monomer chemistry on the interface that forms between a plasma polymer substrate and a deuterated plasma polymer top film.

Original languageEnglish
Pages (from-to)534-543
Number of pages10
JournalPlasma Processes and Polymers
Volume13
Issue number5
DOIs
Publication statusPublished - 1 May 2016

Keywords

  • allylamine
  • hexamethyldisiloxane
  • interfaces
  • neutron reflectometry
  • plasma polymerization

Cite this

Li, Yali ; Nelson, Andrew ; Easton, Christopher D. ; Nisbet, David R. ; Forsythe, John S. ; Muir, Benjamin Ward. / Probing the Interfacial Structure of Bilayer Plasma Polymer Films via Neutron Reflectometry. In: Plasma Processes and Polymers. 2016 ; Vol. 13, No. 5. pp. 534-543.
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Probing the Interfacial Structure of Bilayer Plasma Polymer Films via Neutron Reflectometry. / Li, Yali; Nelson, Andrew; Easton, Christopher D.; Nisbet, David R.; Forsythe, John S.; Muir, Benjamin Ward.

In: Plasma Processes and Polymers, Vol. 13, No. 5, 01.05.2016, p. 534-543.

Research output: Contribution to journalArticleResearchpeer-review

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AB - Bilayer plasma polymer (PP) films were examined using a combination of X-ray and neutron reflectometery and X-ray photoelectron spectroscopy to gain an understanding of the interfacial structures that form between the films. Three different PP films were produced from the monomers hexamethyldisiloxane (HMDSO), di(ethylene glycol) dimethyl ether (DG), and allylamine (AA) at different load powers. These films were used as "substrates" for the subsequent deposition of a deuterated DG (dDG) PP top film. The width of the interfacial region was found to be strongly dependent on the chemical and physical properties of the substrate film. These findings have relevance to the general use and application of plasma polymer films. We examine the effect of load power and monomer chemistry on the interface that forms between a plasma polymer substrate and a deuterated plasma polymer top film.

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