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Carbon Nanotube Nanocomposites with Highly Enhanced Strength and Conductivity for Flexible Electric Circuits

Authors
Hwang, Ji-YoungKim, Han-SemKim, Jeong HunShin, Ueon SangLee, Sang-Hoon
Issue Date
21-7월-2015
Publisher
AMER CHEMICAL SOC
Citation
LANGMUIR, v.31, no.28, pp.7844 - 7851
Indexed
SCIE
SCOPUS
Journal Title
LANGMUIR
Volume
31
Number
28
Start Page
7844
End Page
7851
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/92995
DOI
10.1021/acs.langmuir.5b00845
ISSN
0743-7463
Abstract
Carbon nanotubes (CNTs) have an important role In nanotechnology due to their unique properties, retaining the inherent material flexibility, superior strength, and electrical conductivity, unless the bottleneck of CNTs persists and the aggregated structure is overcome. we report on the highly enhanced mechanical and electrical: properties of the CNT-chitosan nanocomposites through homogeneous dispersion of CNTs into,chitosan solution using a high pressure homogenizer: The optimal condition is a 50% (w/w) chitosan-CNT film, providing about 7 nm thickness of homogenous. chitosan layer on CNTs, a good tensile strength of 51 MPa, high electrical conductivity under 16 Omega/sq, and a stable bending and folding performance. This CNT-chitosan nanocomposite with highly enhanced properties is an amenable :material to fabricate structures of various shapes such as films, sensors, and circuits and also enables a simple and cost-effective:approach to in-Trove the performance of a device that presents The first flexible and soft electric circuits yet reported using only CNT-chitosan as the conductor.
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