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Open AccessArticle

Scanning Auger Microscopy Studies of Silane Films Grown on Plasma-Modified HOPG Surfaces

Flinders Institute for NanoScale Science and Technology, and Flinders Microscopy and Microanalysis, Flinders University, PO Box 2100, Adelaide, SA 5042, Australia
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Polymers 2019, 11(2), 307; https://doi.org/10.3390/polym11020307
Received: 23 November 2018 / Revised: 22 January 2019 / Accepted: 1 February 2019 / Published: 12 February 2019
(This article belongs to the Special Issue Nanotechnology of Polymers and Biomaterials)
The growth of silane films on plasma oxidized highly oriented pyrolytic graphite (HOPG) surfaces has been studied using wet chemical deposition of propyltrimethoxysilane (PTMS) and propyldimethylmethoxysilane (PDMMS). Scanning Auger microscopy (SAM) and X-ray photoelectron spectroscopy (XPS) were used to investigate the chemical composition and morphology of the silane films. The effects of several deposition parameters were examined, including the necessity of oxidation of the HOPG surface, addition of water with the silane, and rinsing before curing. The optimal conditions needed to create a complete uniform film differ for the two silanes due to differences in their structures. Both silanes require an oxidized HOPG surface for a film to grow, the addition of water with PTMS results in a thicker film, while the addition of water with PDMMS decreases the film growth. Rinsing of both samples before curing removes physisorbed species, leaving only the covalently bonded film on the surface. View Full-Text
Keywords: silane; PTMS; PDMMS; carbon; graphite; HOPG; plasma; XPS; SAM silane; PTMS; PDMMS; carbon; graphite; HOPG; plasma; XPS; SAM
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MDPI and ACS Style

Taylor, J.K.; Wiese, J.R.; Harmer, S.L.; Quinton, J.S. Scanning Auger Microscopy Studies of Silane Films Grown on Plasma-Modified HOPG Surfaces. Polymers 2019, 11, 307. https://doi.org/10.3390/polym11020307

AMA Style

Taylor JK, Wiese JR, Harmer SL, Quinton JS. Scanning Auger Microscopy Studies of Silane Films Grown on Plasma-Modified HOPG Surfaces. Polymers. 2019; 11(2):307. https://doi.org/10.3390/polym11020307

Chicago/Turabian Style

Taylor, Jade K.; Wiese, Jasmine R.; Harmer, Sarah L.; Quinton, Jamie S. 2019. "Scanning Auger Microscopy Studies of Silane Films Grown on Plasma-Modified HOPG Surfaces" Polymers 11, no. 2: 307. https://doi.org/10.3390/polym11020307

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