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A Facile Fabrication and Transfer Method of Vertically Aligned Carbon Nanotubes on a Mo/Ni Bilayer for Wearable Energy Devices

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Title
A Facile Fabrication and Transfer Method of Vertically Aligned Carbon Nanotubes on a Mo/Ni Bilayer for Wearable Energy Devices
Author(s)
Chanhyuk Lim; Yoonsoo Shin; Seungki Hong; Sangkyu Lee; Dae-Hyeong Kim
Subject
flexible electrodes, ; soft electronics, ; transfer printing, ; vertically aligned carbon nanotube, ; wearable supercapacitor
Publication Date
2020-04
Journal
ADVANCED MATERIALS INTERFACES, v.7, no.8, pp.1902170
Publisher
WILEY
Abstract
© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Carbon nanotubes are a promising material for flexible/wearable electrochemical device due to their mechanical softness, chemical stability, and high conductivity. Furthermore, the vertically aligned form of carbon nanotubes (VACNTs) have a large surface area due to their unique three-dimensional (3D) nanostructure. Thus, VACNTs are particularly useful for wearable electrochemical sensors and/or energy devices. However, VACNTs are generally grown via a high-temperature chemical vapor deposition process, which requires a rigid substrate. As a flexible/wearable device platform, therefore, VACNTs should be transferred from rigid substrates to soft substrates. Here, a facile fabrication and transfer method of a unique 3D nanostructure, that is, VACNTs on the Mo/Ni bilayer, for high performance flexible/wearable devices is reported. After growth of VACNTs on a Mo/Ni bilayer, VACNTs with the Mo/Ni bilayer can be easily peeled-off from the SiO2 wafer by using weak adhesion of Ni to SiO2 for transfer printing onto polymeric/elastomeric substrates. Moreover, the Mo layer helps facile growth of VACNTs, and the Mo/Ni bilayer underneath VACNTs maximizes the lateral current flow. The proposed 3D nanostructure (VACNTs on the Mo/Ni bilayer) is successfully applied as flexible electrodes for high-performance wearable asymmetric supercapacitors
URI
https://pr.ibs.re.kr/handle/8788114/8700
DOI
10.1002/admi.201902170
ISSN
2196-7350
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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