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Modelling and optimisation of single-step laser-based gold nanostructure deposition with tunable optical properties

Hughes, Cian ORCID: 0000-0002-4863-733X, Ronán, McCann ORCID: 0000-0002-2071-0785, Eguileor, Julen, Bagga, Komal ORCID: 0000-0002-0464-6963, Groarke, Robert, Regan, Fiona ORCID: 0000-0002-8273-9970 and Brabazon, Dermot ORCID: 0000-0003-3214-6381 (2018) Modelling and optimisation of single-step laser-based gold nanostructure deposition with tunable optical properties. Optics & Laser Technology, 108 . pp. 295-305. ISSN 0030-3992

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Abstract

s nanotechnology has developed, the creation of nanostructured surfaces has garnered attention for their uses in sensing and catalysis applications. These are however often expensive, time-consuming, and difficult to produce. In contrast, this investigation is focused on the inexpensive, environmentally friendly and fast technique of Confined Atmospheric Pulsed laser deposition (CAP). The CAP technique has these advantages because it is an atmospheric laser-based direct deposition technique. Herein, the CAP process is examined in an effort to better understand the process and to begin determining the means to control the properties of the nanostructured surfaces produced by varying the laser fluence and the scan strategy during the ablation. During this investigation, a Nd:YAG laser was applied to deposit gold nanostructures directly onto a polymer substrate. The plasmonic properties and morphologies of the surfaces were examined using UV–Vis spectroscopy and Scanning Electron Microscopy (SEM) respectively. A mathematical model was developed to describe the size and dispersity of the structures deposited and the variation of the position and size of the spectral plasmon peaks in response to the sample processing parameters, with the aim of allowing for a degree of control over these properties and gaining some understanding of the mechanism of this deposition process.

Item Type:Article (Published)
Refereed:Yes
Subjects:Engineering > Materials
Engineering > Mechanical engineering
Physical Sciences > Laser plasmas
Physical Sciences > Lasers
Physical Sciences > Nanotechnology
Physical Sciences > Photonics
Physical Sciences > Spectrum analysis
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Mechanical and Manufacturing Engineering
DCU Faculties and Schools > Faculty of Science and Health > School of Chemical Sciences
Research Initiatives and Centres > National Centre for Plasma Science and Technology (NCPST)
Research Initiatives and Centres > National Centre for Sensor Research (NCSR)
Research Initiatives and Centres > Irish Separation Science Cluster (ISSC)
Research Initiatives and Centres > Advanced Processing Technology Research Centre (APTRC)
Publisher:Elsevier
Official URL:https://doi.org/10.1016/j.optlastec.2018.06.063
Copyright Information:© 2018 Elsevier
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
Funders:European Union’s Horizon 2020 Research and Innovation programme under the Marie Sklodowska-Curie grant agreement No. 655194, Science Foundation Ireland (SFI) under Grant Number 12/IA/1576.
ID Code:26714
Deposited On:24 Feb 2022 13:09 by Ronan Mccann . Last Modified 24 Feb 2022 13:09

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