Dispersion of Relatively Long Multi-walled Carbon Nanotubes in Water using Ozone Generated by Dielectric Barrier Discharge

Zaw Lin; Mitsunobu Yoshida; Yuki Uesugi; Karthik Paneer Selvam; Takeshi Nishikawa; Yasuhiko Hayashi

doi:10.1541/ieejfms.136.180

Special Issue Paper

Dispersion of Relatively Long Multi-walled Carbon Nanotubes in Water using Ozone Generated by Dielectric Barrier Discharge

Zaw Lin, Mitsunobu Yoshida, Yuki Uesugi, Karthik Paneer Selvam, Takeshi Nishikawa, Yasuhiko Hayashi

Author information

Zaw Lin
Nanodevice and Materials Laboratory, Department of Electrical and Electronic Engineering, Graduate School of Natural Science and Technology, Okayama University
Mitsunobu Yoshida
Nanodevice and Materials Laboratory, Department of Electrical and Electronic Engineering, Graduate School of Natural Science and Technology, Okayama University
Yuki Uesugi
Nanodevice and Materials Laboratory, Department of Electrical and Electronic Engineering, Graduate School of Natural Science and Technology, Okayama University
Karthik Paneer Selvam
Nanodevice and Materials Laboratory, Department of Electrical and Electronic Engineering, Graduate School of Natural Science and Technology, Okayama University
Takeshi Nishikawa
Nanodevice and Materials Laboratory, Department of Electrical and Electronic Engineering, Graduate School of Natural Science and Technology, Okayama University
Yasuhiko Hayashi
Nanodevice and Materials Laboratory, Department of Electrical and Electronic Engineering, Graduate School of Natural Science and Technology, Okayama University

Keywords: carbon nanotubes, dispersion, dielectric barrier discharge, ozone treatment

JOURNAL FREE ACCESS

2016 Volume 136 Issue 4 Pages 180-185

DOI https://doi.org/10.1541/ieejfms.136.180

Details

Abstract

This paper describes the effect of ozone treatment on water dispersibility of micrometer order long multi-walled carbon nanotubes by using simple ozone generation set up. Inverter type neon transformer was used to supply required energy. The dispersed nanotubes suspension was stable for a few months after treatment. Laser Raman Spectroscopy, Fourier Transform Infrared Spectroscopy, and Transmission Electron Miscroscope were used to characterize the resulted nanotubes. Analyzed data revealed that the multi-walled carbon nanotubes were functionalized by oxygen and hydrogen containing groups.

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