Flexible Transparent Conductive Heater Using Multiwalled Carbon Nanotube Sheet

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AVS Science and Technology Society

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Abstract

This paper reports highly flexible, transparent, conducting heaters based on multiwalled carbon nanotube (MWCNT) sheets. The MWCNT sheets were spun directly from a well-aligned MWCNT forest. The fabrication of the MWCNT sheet heater was quite simple and suitable for mass production, requiring only a one-step transferring process, in which the MWCNT sheet is drawn onto the target substrates. This study examined the parameters that affect the heat generation of the MWCNT sheet-based heater; input power, surface area, and thermal conductivity of the substrate. In particular, more effort was focused on how to increase the surface area and contact points between the individual MWCNTs; simple acid treatment and added metal nanoparticles increased the heat performance of the heater dramatically. Moreover, the heaters exhibited durability and flexibility against many bending cycles. Therefore, the MWCNT sheet-based heater can be used for versatile applications requiring transparency, conduction, and flexibility.

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Keywords

Carbon nanotubes, Conducting heaters

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Rights

©2014 American Vacuum Society

Citation

Jung, D., M. Han, and G. S. Lee. 2014. "Flexible transparent conductive heater using multiwalled carbon nanotube sheet." Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures 32(4): 04E105-1 to 6.