Early stages of growth of plasma polymer coatings deposited from nitrogen- and oxygen-containing monomers
Date
2010
Authors
Vasilev, K.
Michelmore, A.
Martinek, P.
Chan, J.
Sah, V.
Griesser, H.J.
Short, R.D.
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Journal article
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Plasma Processes and Polymers, 2010; 7(9-10):824-835
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Abstract
Ultrathin functional coatings deposited by plasma polymerization have utility in nano- and microtechnologies, however, until now very little has been reported to validate the widely held view that these coatings can be deposited onto any type of substrate, without substrate influence. In order to ascertain the role of the substrate in the early stages of plasma growth we address the growth rate and chemistry of plasma polymer coatings from two nitrogen- and two oxygen-containing monomers during the first stages of deposition onto gold and onto thiol MUA-coated gold surfaces. SPR thickness measurements and XPS analyzes indicate the substrate must be taken into account when ultrathin plasma polymer coatings are used for surface modification and we speculate on why this should be so.
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Copyright 2010 WILEY-VCH Verlag