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Multiple-layered nonwoven nanosheets consisting of multiwalled carbon nanotubes
- Authors
- Ham, Heon; Koo, Eun-Hye; Ju, Sang-Yong; Park, No-Hyung; Kwon, Yong Jung; Cho, Hong Yeon; Na, Han Gil; Shim, Kwang Bo; Lee, Won-Jae; Kim, Hyoun Woo
- Issue Date
- Dec-2014
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- carbon nanotubes; graphitization; nanostructures; Raman spectroscopy; scanning electron microscopy; transmission electron microscopy
- Citation
- PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, v.211, no.12, pp.2703 - 2708
- Volume
- 211
- Number
- 12
- Start Page
- 2703
- End Page
- 2708
- ISSN
- 1862-6300
- Abstract
- We fabricated multiple-layered nonwoven multiwalled carbon nanotubes (MWCNT) sheets bymeans of treating MWCNTs with a spark plasma sintering process. We characterized the samples by Raman spectroscopy, X-ray diffraction (XRD), scanning electron microscopy, transmission electron microscopy, and the field effect mobility method. Each thin nonwoven MWCNT layer is mainly comprised of interlocked, intertwined, or interconnected MWCNTs. XRD and Raman spectra coincidentally revealed that the graphitization occurred in the course of transformation from pristine to nonwoven MWCNTs. The multiple-layered nonwoven MWCNTs showed a higher electrical conductance than a single-layered nonwoven MWCNTs sheet. (C) 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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Related Researcher
- Lee, Won Jae
- IT (Department of Electronic Engineering)