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Nanocrystals for resonance energy transfer and lasing applications

Nanocrystals for resonance energy transfer and lasing applications
Nanocrystals for resonance energy transfer and lasing applications
The work at hand is structured into four chapters, the first of which is this introduction. An appendix explains a small experiment on a different topic of research that differs from the core of this thesis.

The second chapter explains the physics of semiconductor crystals and semiconductor nanostructures. Introduces the mathematical framework to describe the exciton in semiconductor nanostructures.

Chapter three outlines the mechanism of RET and is dedicated to the experimental and theoretical methods we employed during our research. We present the technique that has allowed us to perform a RET distance dependence study, the AFM equipment, the laser system and time resolved spectroscopic techniques that allowed us to investigate the exciton structure and dynamics in our material system and our results.

Chapter four shows the theoretical background, the experimental methods and equipment we used to archive lasing with NCs. The theory of whispering gallery modes and photonic crystal is explained and we describe how, using NCs, silica microsphere resonator and PC nanocavity, we achieved lasing regime in both configurations.

The appendix shows an evanescence field spectroscopy experiment in which tapered fibers and golden nanoparticles have been used to realize an extremely sensitive device based on evanescence spectroscopy.
University of Southampton
Buscemi, Giuseppe
c436dc25-3f17-4792-a81a-1203e3222f63
Buscemi, Giuseppe
c436dc25-3f17-4792-a81a-1203e3222f63
Lagoudakis, Pavlos
ea50c228-f006-4edf-8459-60015d961bbf

Buscemi, Giuseppe (2015) Nanocrystals for resonance energy transfer and lasing applications. University of Southampton, Doctoral Thesis, 104pp.

Record type: Thesis (Doctoral)

Abstract

The work at hand is structured into four chapters, the first of which is this introduction. An appendix explains a small experiment on a different topic of research that differs from the core of this thesis.

The second chapter explains the physics of semiconductor crystals and semiconductor nanostructures. Introduces the mathematical framework to describe the exciton in semiconductor nanostructures.

Chapter three outlines the mechanism of RET and is dedicated to the experimental and theoretical methods we employed during our research. We present the technique that has allowed us to perform a RET distance dependence study, the AFM equipment, the laser system and time resolved spectroscopic techniques that allowed us to investigate the exciton structure and dynamics in our material system and our results.

Chapter four shows the theoretical background, the experimental methods and equipment we used to archive lasing with NCs. The theory of whispering gallery modes and photonic crystal is explained and we describe how, using NCs, silica microsphere resonator and PC nanocavity, we achieved lasing regime in both configurations.

The appendix shows an evanescence field spectroscopy experiment in which tapered fibers and golden nanoparticles have been used to realize an extremely sensitive device based on evanescence spectroscopy.

Text
final thesis - Version of Record
Available under License University of Southampton Thesis Licence.
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Published date: July 2015

Identifiers

Local EPrints ID: 426882
URI: https://eprints.soton.ac.uk/id/eprint/426882
PURE UUID: 2e08b680-e194-4dc7-814b-a1cdaac59f40

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Date deposited: 14 Dec 2018 17:30
Last modified: 13 Mar 2019 17:48

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