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Silver nanocolloid generation using dynamic laser ablation synthesis in solution system and drop-casting

McCarthy, Éanna, Sreenilayam, Sithara orcid logoORCID: 0000-0002-5282-3645, Ronan, Oskar orcid logoORCID: 0000-0003-1449-0453, Ayub, Hasan, McCann, Ronán orcid logoORCID: 0000-0002-2071-0785, McKeon, Lorcan orcid logoORCID: 0000-0002-6476-7732, Fleischer, Karsten orcid logoORCID: 0000-0002-7638-4480, Nicolosi, Valeria orcid logoORCID: 0000-0002-7637-4813 and Brabazon, Dermot orcid logoORCID: 0000-0003-3214-6381 (2022) Silver nanocolloid generation using dynamic laser ablation synthesis in solution system and drop-casting. Nano-Structures & Nano-Objects, 29 . ISSN 2352-507X

Conductive inks allow for low cost and scalable deposition of conductive tracks and patterns for printed electronics. Metal nanoparticle colloids are a novel form for producing conductive inks. Laser Ablation Synthesis in Solution (LASiS) is a “green” method for the production of metal nanoparticle colloids without the need for environmentally hazardous chemicals, however the method has typically been limited by its low production rates. This study reports on the generation of an additive free silver nanocolloid with maximized productivity using a flow-based LASiS system and its characterization using dynamic light scattering, UV–VIS, transmission electron microscopy and field emission scanning electron microscopy. The productivity of the LASiS silver nanoparticle (size 34 ± 5 nm) was 0.9 mg mL−1. While the flow-based system achieves high laser ablation rates in the mass of nanomaterial generated per unit time, the volume of liquid required for the flow leads to relatively low concentrations. Therefore, in this work, LASiS concentrated ink was formulated via a centrifugal method, which was then drop-cast and heat treated to produce a conductive silver layer. Centrifuging to concentrate the ink was shown to be a necessary step to achieve good results, with the lowest resistance across the drop-cast material of 60.2 after annealing.
Item Type:Article (Published)
Additional Information:Article number: 100841
Uncontrolled Keywords:Silver nanoparticle; Laser ablation; Nanocolloid; Drop-casting TEM; FESEM
Subjects:Engineering > Materials
Engineering > Mechanical engineering
Physical Sciences > Lasers
Physical Sciences > Nanotechnology
Physical Sciences > Thin films
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Mechanical and Manufacturing Engineering
Research Institutes and Centres > National Centre for Plasma Science and Technology (NCPST)
Research Institutes and Centres > National Centre for Sensor Research (NCSR)
Research Institutes and Centres > Advanced Processing Technology Research Centre (APTRC)
Research Institutes and Centres > I-Form
Official URL:https://dx.doi.org/10.1016/j.nanoso.2022.100841
Copyright Information:© 2022 Elsevier B.V. All rights reserved.
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
Funders:Science Foundation Ireland (SFI) under Grant Numbers 16/1571 RC/3872 and 19/US-C2C/3579, European Regional Development Fund, European Union’s Horizon 2020 Research and Innovation Programme under grant agreement No. 862100, I-Form industry partners
ID Code:26697
Deposited On:18 Feb 2022 15:32 by Ronan Mccann . Last Modified 21 Dec 2023 15:05

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