Carbon as a particle-transfer material in hole-mask colloidal lithography

Examensarbete för masterexamen

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Type: Examensarbete för masterexamen
Master Thesis
Title: Carbon as a particle-transfer material in hole-mask colloidal lithography
Authors: Syrenova, Svetlana
Abstract: In this thesis a method for fabrication and optimization of the gold nanodisc dimer structure was developed. In particular, a new nanofabrication strategy using carbon nanocones as transfer material for placing a particle of interest (palladium (Pd) in this work) in the plas-monic “hot-spot” of the dimer gap was realized by means of hole-mask colloidal lithography (HCL). Series of samples with various gap sizes, gold disc sizes and Pd particle sizes/positions in the hot-spot were successfully fabrica-ted and characterized by scanning electron microscopy and spectrophotometry. The possibility to plasmonically probe a nanoparticle located in the gap of the dimers was investigated in a mass flow reactor system by monitoring the hydride formation in Pd. The long term vision motiva-ting this work is to facilitate the understanding and development of plasmonic sensing at a single nanoparticle level by providing a novel versatile nanofabrication tool based on a bottom-up self-assembly strategy.
Keywords: Fysik;Physical Sciences
Issue Date: 2012
Publisher: Chalmers tekniska högskola / Institutionen för teknisk fysik
Chalmers University of Technology / Department of Applied Physics
Collection:Examensarbeten för masterexamen // Master Theses

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