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Resistance Switching Capable Polymer Nanocomposites Employing Networks of One-Dimensional Nanocarbon Wrapped by TiO2 Conformal Layer

Authors
Jeon, WoojinKim, YoungjinLee, Sang-Soo
Issue Date
5월-2018
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Carbon nanotubes and nanofibers; electrical properties; nanocomposites; resistance switching
Citation
IEEE TRANSACTIONS ON NANOTECHNOLOGY, v.17, no.3, pp.567 - 573
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON NANOTECHNOLOGY
Volume
17
Number
3
Start Page
567
End Page
573
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/75682
DOI
10.1109/TNANO.2018.2826561
ISSN
1536-125X
Abstract
In order to impart resistance switching capability to polymer-based composite, one-dimensional conductive nanomaterials such as carbon nanotube (CNT) and carbon nanofiber (CNF) were wrapped with TiO2 conformal layer for passivation, and embedded in polymer matrix to form a network like distribution within it. The CNT-TiO2 and CNF-TiO2-embedded composites, respectively, exhibited the reproducible resistance switching behavior of the high on/off ratio, along with the good switching stability under repetitive switching measurements. Furthermore, it is notable that the presence of defect site or incomplete formation of the TiO2 passivation layer on the conductive component would significantly alter the switching performance. The advantages of our approach include the simple and mass-production capable fabrication procedure along with the sustainable switching performance suitable to promising nonvolatile memory device applications.
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