NDLI: Core/shell copper nanowire networks for transparent thin film heaters

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Core/shell copper nanowire networks for transparent thin film heaters

Content Provider	Scilit
Author	Tigan, Dogancan Genlik, Sevim Polat Imer, Bilge Unalan, Husnu Emrah
Copyright Year	2019
Description	Journal: Nanotechnology Copper nanowires (Cu NWs) appear as the strongest alternative to silver nanowires (Ag NWs) in transparent conductors. Cu NWs; however, are more prone to oxidation than Ag NWs even at room temperature. This problem becomes more severe when Cu NWs are used as transparent thin film heaters (TTFHs). In this work, we have utilized ALD deposited zinc oxide (ZnO) shell layers, and provide a comparison with typically used aluminum oxide (Al2O3) shell layer to improve the TTFH performance. While Cu NW network TTFHs barely withstood temperatures around 100 °C, critical thickness of ALD deposited Al2O3 and ZnO layers were determined to find out TTFH limits. Maximum stable and reproducible temperatures of 273 °C and 204 °C were obtained for Al2O3 and ZnO deposited Cu NW network TTFHs, respectively. An extensive parametric study on the NW density and oxide type in conjunction with the electrical conductivity and optical transmittance was conducted. A remarkably high heating rate of 14 °C/s was obtained from the fabricated core/shell networks with improved oxidation stability under ambient and high humidity conditions. Finally, these high performance core/shell Cu NW network TTFHs were utilized as efficient defrosters.
Related Links	https://iopscience.iop.org/article/10.1088/1361-6528/ab19c6/pdf
ISSN	09574484
e-ISSN	13616528
DOI	10.1088/1361-6528/ab19c6
Journal	Nanotechnology
Issue Number	32
Volume Number	30
Language	English
Publisher	IOP Publishing
Publisher Date	2019-04-16
Access Restriction	Open
Subject Keyword	Journal: Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Mechanics of Materials Mechanical Engineering Bioengineering Electrical and Electronic Engineering

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