Due to the high abundance of copper on the earth and its high intrinsic electrical conductivity, copper nanowires (CuNWs) represent a promising material for transparent electrodes. In this work, an environmentally friendly and scalable synthesis that requires a low process temperature is studied. The optimum temperature is found at 79 °C, which results in nanowires with the lowest diameters. The as-synthesized solution is sprayed to transparent conducting films, which are in turn subjected to various post-treatments such as thermal sintering or washing with propionic acid to enhance their electro-optical performance. Following both the optimum protocol for the synthesis and post-treatment, a sheet resistance of 10.3 Ω â»â1at a transparency of 83.4% is achieved. Moreover, the CuNW-films are tested as transparent heaters and show a homogeneous heat distribution. For the electrical properties of the films, a temperature dependence of resistance that is lowered around 28% compared to the one for bulk copper is found.
Tailoring the Aqueous Synthesis and Deposition of Copper Nanowires for Transparent Electrodes and Heaters / Bobinger, Marco; Mock, Josef; La Torraca, Paolo; Becherer, Markus; Lugli, Paolo; Larcher, Luca. - In: ADVANCED MATERIALS INTERFACES. - ISSN 2196-7350. - 4:20(2017), pp. 10-15. [10.1002/admi.201700568]
Data di pubblicazione: | 2017 | |
Titolo: | Tailoring the Aqueous Synthesis and Deposition of Copper Nanowires for Transparent Electrodes and Heaters | |
Autore/i: | Bobinger, Marco; Mock, Josef; La Torraca, Paolo; Becherer, Markus; Lugli, Paolo; Larcher, Luca | |
Autore/i UNIMORE: | ||
Digital Object Identifier (DOI): | http://dx.doi.org/10.1002/admi.201700568 | |
Rivista: | ||
Volume: | 4 | |
Fascicolo: | 20 | |
Pagina iniziale: | 10 | |
Pagina finale: | 15 | |
Codice identificativo ISI: | WOS:000413572500016 | |
Codice identificativo Scopus: | 2-s2.0-85031907953 | |
Citazione: | Tailoring the Aqueous Synthesis and Deposition of Copper Nanowires for Transparent Electrodes and Heaters / Bobinger, Marco; Mock, Josef; La Torraca, Paolo; Becherer, Markus; Lugli, Paolo; Larcher, Luca. - In: ADVANCED MATERIALS INTERFACES. - ISSN 2196-7350. - 4:20(2017), pp. 10-15. [10.1002/admi.201700568] | |
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