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Gold Nanostructures on Graphite
Norwegian University of Science and Technology, Faculty of Natural Sciences and Technology, Department of Physics.
2013 (English)MasteroppgaveStudent thesis
Abstract [en]

Gold nanoparticles supported on a graphite substrate are prepared by thermal evaporation, and subsequently studied by X-ray photoelectron spectroscopy (XPS), temperature programmed desorption (TPD) of carbon monoxide and scanning electron microscopy (SEM). Increasing the amount of gold deposited leads to a shift of the desorption peak to higher temperatures, and the gold particles become larger. Depositing approximately the same amount of gold at different evaporation ratios does not seem to affect the desorption. Triangularly shaped gold particles appeared at higher evaporation rates. This is thought to be caused by diffusion effects dominating the formation of the particles.

Place, publisher, year, edition, pages
Institutt for fysikk , 2013. , 55 p.
URN: urn:nbn:no:ntnu:diva-22433Local ID: ntnudaim:9956OAI: diva2:649677
Available from: 2013-09-19 Created: 2013-09-19 Last updated: 2013-09-19Bibliographically approved

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