In this study, we present an environmentally friendly and solution-based synthesis for copper nanowires (CuNWs) at a moderate process temperature. Transparent electrodes (TEs) are fabricated by spray-deposition and evaluated in terms of their electro-optical performance. Using ImageJ, the CuNW diameters are determined in an automated and reproducible way. Without any post-processing, the films show a sheet resistance as low as 12.6 Ohm/sq at a high transparency of 77 %. Further, CuNW-based transparent heaters are characterized and accurately modelled using the Crank-Nicolson finite method that accounts for the heat losses and the resistance-temperature dependence of the films.
Characterization and modelling of transparent heaters based on solution-processed copper nanowires / Bobinger, Marco; Mock, Josef; Becherer, Markus; Torraca, Paolo La; Angeli, Diego; Larcher, Luca; Lugli, Paolo. - In: PROCEEDINGS OF THE ... IEEE CONFERENCE ON NANOTECHNOLOGY. - ISSN 1944-9399. - (2017), pp. 151-154. (Intervento presentato al convegno 17th IEEE International Conference on Nanotechnology, NANO 2017 tenutosi a Pittsburgh Marriott City Center, usa nel 2017) [10.1109/NANO.2017.8117270].
Characterization and modelling of transparent heaters based on solution-processed copper nanowires
Torraca, Paolo La;Angeli, Diego;Larcher, Luca;
2017
Abstract
In this study, we present an environmentally friendly and solution-based synthesis for copper nanowires (CuNWs) at a moderate process temperature. Transparent electrodes (TEs) are fabricated by spray-deposition and evaluated in terms of their electro-optical performance. Using ImageJ, the CuNW diameters are determined in an automated and reproducible way. Without any post-processing, the films show a sheet resistance as low as 12.6 Ohm/sq at a high transparency of 77 %. Further, CuNW-based transparent heaters are characterized and accurately modelled using the Crank-Nicolson finite method that accounts for the heat losses and the resistance-temperature dependence of the films.
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