Highly conductive, printable and stretchable composite films of carbon nanotubes and silver
- Authors
- Chun, KY[Chun, Kyoung-Yong]; Oh, Y[Oh, Youngseok]; Rho, J[Rho, Jonghyun]; Ahn, JH[Ahn, Jong-Hyun]; Kim, YJ[Kim, Young-Jin]; Choi, HR[Choi, Hyouk Ryeol]; Baik, S[Baik, Seunghyun]
- Issue Date
- Dec-2010
- Publisher
- NATURE PUBLISHING GROUP
- Citation
- NATURE NANOTECHNOLOGY, v.5, no.12, pp.853 - 857
- Indexed
- SCIE
SCOPUS
- Journal Title
- NATURE NANOTECHNOLOGY
- Volume
- 5
- Number
- 12
- Start Page
- 853
- End Page
- 857
- URI
- https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/72626
- DOI
- 10.1038/NNANO.2010.232
- ISSN
- 1748-3387
- Abstract
- Conductive films that are both stretchable and flexible could have applications in electronic devices(1,2), sensors(3,4), actuators(5) and speakers(6). A substantial amount of research has been carried out on conductive polymer composites(7), metal electrode-integrated rubber substrates(8-10) and materials based on carbon nanotubes and graphene(1,2,11-13). Here we present highly conductive, printable and stretchable hybrid composites composed of micrometre-sized silver flakes and multiwalled carbon nanotubes decorated with self-assembled silver nanoparticles. The nanotubes were used as one-dimensional, flexible and conductive scaffolds to construct effective electrical networks among the silver flakes. The nanocomposites, which included polyvinylidenefluoride copolymer, were created with a hot-rolling technique, and the maximum conductivities of the hybrid silver-nanotube composites were 5,710 S cm(-1) at 0% strain and 20 S cm(-1) at 140% strain, at which point the film ruptured. Three-dimensional percolation theory reveals that Poisson's ratio for the composite is a key parameter in determining how the conductivity changes upon stretching.
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- Appears in
Collections - Engineering > School of Mechanical Engineering > 1. Journal Articles
- Graduate School > SKKU Advanced Institute of Nano Technology > 1. Journal Articles
- Engineering > School of Advanced Materials Science and Engineering > 1. Journal Articles
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