Deposition and XPS and FTIR analysis of plasma polymer coatings containing phosphorus

Kim Shyong Siow, Leanne Britcher, Sunil Kumar, Hans J. Griesser

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Phosphate groups are part of biological molecules involved in bio-interfacial phenomena but monomers containing these groups are not volatile enough to be plasma polymerized (pp). Hence monomers with lower oxidation states of P are needed which then does not enable prediction of the oxidation state(s) of P in the pps, nor of possible aging effects. XPS and FTIR analyses of pps from triisopropyl phosphite (TIP) and diethyl phosphite (DEP) reveal the presence of phosphate and polyphosphate groups, while phosphonate and phosphate are found in pps of co-polymerized 1,7-octadiene and TIP. Post-plasma aging and electrical biasing have negligible effects on the oxidation state of P in TIP pps. Plasma polymerization of tri-isopropyl phosphite (TIP) and diethyl phosphite (DEP) produces coatings containing phosphate and polyphosphate groups. Addition of 1,7-octadiene to TIP leads to phosphonate and phosphate groups in the plasma polymer (pp). Post-plasma aging in air and electrical biasing during deposition have little effect on the chemical composition of TIP pps.

Original languageEnglish
Pages (from-to)133-141
Number of pages9
JournalPlasma Processes and Polymers
Volume11
Issue number2
DOIs
Publication statusPublished - Feb 2014

Fingerprint

Phosphorus
phosphorus
Phosphites
phosphates
Polymers
Phosphates
X ray photoelectron spectroscopy
Plasmas
coatings
Coatings
polymers
Polyphosphates
Organophosphonates
Aging of materials
Oxidation
oxidation
monomers
Monomers
Plasma polymerization
chemical composition

Keywords

  • ageing
  • ATR FT-IR
  • ESCA/XPS
  • phosphate
  • phosphonate

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Polymers and Plastics

Cite this

Deposition and XPS and FTIR analysis of plasma polymer coatings containing phosphorus. / Siow, Kim Shyong; Britcher, Leanne; Kumar, Sunil; Griesser, Hans J.

In: Plasma Processes and Polymers, Vol. 11, No. 2, 02.2014, p. 133-141.

Research output: Contribution to journalArticle

Siow, Kim Shyong ; Britcher, Leanne ; Kumar, Sunil ; Griesser, Hans J. / Deposition and XPS and FTIR analysis of plasma polymer coatings containing phosphorus. In: Plasma Processes and Polymers. 2014 ; Vol. 11, No. 2. pp. 133-141.
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