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Scanning Auger Microscopy Studies of Silane Films Grown on Plasma-Modified HOPG Surfaces by Taylor, Jade K.; Wiese, Jasmine R.; Harmer, Sarah L.; Quinton, Jamie S. is a Materials Science article available to read on EtoBox.

What is Scanning Auger Microscopy Studies of Silane Films Grown on Plasma-Modified HOPG Surfaces about?

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.

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Author

Taylor, Jade K.; Wiese, Jasmine R.; Harmer, Sarah L.; Quinton, Jamie S.

Publisher

MDPI AG; MDPI Open Access Publishing; Basel: Molecular Diversity Preservation International (MDPI), 2009- (ISSN 2073-4360)

Published

2019

Language

EN

Field

Materials Science (Physical Sciences)