Characteristics of hydrogen plasma treated carbon nanotubes and their influence on the mechanical properties of polyetherimide-based nanocomposites

Eung seok Lee, Young Kyun Lim, Yoon soo Chun, Byung Yong Wang, Dae-Soon Lim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The structural phase transformation and etching of the sidewalls of multi-walled carbon nanotubes (MWCNTs) by hydrogen plasma and the effect on the dispersion and mechanical properties of polyetherimide (PEI) composites was investigated. Surface-modified MWCNTs with various plasma treatment times were characterized using FESEM, HRTEM, Raman spectroscopy, FT-IR, and XPS. The results showed that plasma treatment facilitates the attachment of functional groups while damaging and detaching the sidewalls of the MWCNTs and modifying the crystallinity of the graphene layer. The mechanical properties of the PEI composites with the modified MWCNTs depended on the degree of damage to the surface and crystallinity modification of the MWCNTs. Hydrogen plasma treatment led to a significant improvement in the dispersion and mechanical properties of PEI/MWCNT composites due to the surface modification of the MWCNTs.

Original languageEnglish
Pages (from-to)650-658
Number of pages9
JournalCarbon
Volume118
DOIs
Publication statusPublished - 2017 Jul 1

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Carbon Nanotubes
Hydrogen
Nanocomposites
Plasmas
Mechanical properties
Composite materials
Graphite
polyetherimide
Functional groups
Surface treatment
Raman spectroscopy
Etching
X ray photoelectron spectroscopy
Phase transitions

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Characteristics of hydrogen plasma treated carbon nanotubes and their influence on the mechanical properties of polyetherimide-based nanocomposites. / Lee, Eung seok; Lim, Young Kyun; Chun, Yoon soo; Wang, Byung Yong; Lim, Dae-Soon.

In: Carbon, Vol. 118, 01.07.2017, p. 650-658.

Research output: Contribution to journalArticle

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