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Nano Research 2016, 9(12): 3924-3936 https://doi.org/10.1007/s12274-016-1261-0
Research Article | Issue | Published: 20 September 2016

Transparent heaters based on highly stable Cu nanowire films

Show Author's Information Haitao Zhai1,2,  Ranran Wang1( ),  Xiao Wang1,2,  Yin Cheng1,2,  Liangjing Shi1,  Jing Sun1( )
The State Key Lab of High Performance Ceramics and Superfine MicrostructureShanghai Institute of CeramicsChinese Academy of Sciences1295 Dingxi RoadShanghai200050China
University of Chinese Academy of Sciences19 Yuquan RoadBeijing100049China
Keywords:
copper nanowires, film heater, transparent conductive film, anti-oxidation, flexible device
Cite this article:
Zhai H, Wang R, Wang X, et al. Transparent heaters based on highly stable Cu nanowire films. Nano Research, 2016, 9(12): 3924-3936. https://doi.org/10.1007/s12274-016-1261-0
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Abstract Full text Electronic supplementary material About this article

In spite of the recent successful demonstrations of flexible and transparent film heaters, most heaters with high optical transmittance and low applied direct current (DC) voltage are silver nanowire (Ag NW)-based or silver grid-based. In this study, flexible and stretchable copper nanowire (Cu NW)-based transparent film heaters were fabricated through a solution-based process, in which a thin layer of hydrophobic polymers was encapsulated on the Cu NW films. The thin polymer layer protected the films from oxidation under harsh testing conditions, i.e., high temperature, high humidity, and acidic and alkaline environments. The films exhibited remarkable performance, a wide operating temperature range (up to 150 ℃), and a high heating rate (14 ℃/s). Defrosting and wearable thermotherapy demonstrations of the Cu NW film heaters were carried out to investigate their practicality. The Cu NW-based film heaters have potential as reliable and low-cost film heaters.


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Electronic supplementary material
About this article

Transparent heaters based on highly stable Cu nanowire films

Show Author's information Haitao Zhai1,2, Ranran Wang1( ), Xiao Wang1,2, Yin Cheng1,2, Liangjing Shi1, Jing Sun1( )
The State Key Lab of High Performance Ceramics and Superfine MicrostructureShanghai Institute of CeramicsChinese Academy of Sciences1295 Dingxi RoadShanghai200050China
University of Chinese Academy of Sciences19 Yuquan RoadBeijing100049China

Abstract

In spite of the recent successful demonstrations of flexible and transparent film heaters, most heaters with high optical transmittance and low applied direct current (DC) voltage are silver nanowire (Ag NW)-based or silver grid-based. In this study, flexible and stretchable copper nanowire (Cu NW)-based transparent film heaters were fabricated through a solution-based process, in which a thin layer of hydrophobic polymers was encapsulated on the Cu NW films. The thin polymer layer protected the films from oxidation under harsh testing conditions, i.e., high temperature, high humidity, and acidic and alkaline environments. The films exhibited remarkable performance, a wide operating temperature range (up to 150 ℃), and a high heating rate (14 ℃/s). Defrosting and wearable thermotherapy demonstrations of the Cu NW film heaters were carried out to investigate their practicality. The Cu NW-based film heaters have potential as reliable and low-cost film heaters.

Keywords: copper nanowires, film heater, transparent conductive film, anti-oxidation, flexible device

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Publication history
Copyright
Acknowledgements

Publication history

Received: 13 July 2016
Revised: 19 August 2016
Accepted: 22 August 2016
Published: 20 September 2016
Issue date: December 2016

Copyright

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2016

Acknowledgements

Acknowledgements

This work was financially supported by the National Basic Research Program of China (No. 2012CB932303), the National Natural Science Foundation of China (No. 61301036), Shanghai Municipal Natural Science Foundation (Nos. 13ZR1463600 and 13XD1403900), Youth Innovation Promotion Association CAS (No. 2014226), and the Shanghai Key Basic Research Project (No. 16JC1402300).

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