Issue 13, 2015
From the journal:

RSC Advances

Synthesis of carbon-incorporated titanium oxide nanocrystals by pulsed solution plasma: electrical, optical investigation and nanocrystals analysis†

Chan Woo Lee,a   Seok-Geun Lee,b   Jun Hong Noh,c   Hyun Suk Jung,d   Kyoung-Jae Chung,b   Kug Sun Hong,a   Dong Wook Kim,*e   Y. S. Hwang*b  and  Dong-Wan Kim*f  

* Corresponding authors

a Department of Materials Science and Engineering, Seoul National University, Seoul 151-744, Korea

b Department of Energy System Engineering, Seoul National University, Seoul 151-744, Korea

c Division of Advanced Materials, Korea Research Institute of Chemical Technology, 141 Gajeong-Ro, Yuseong-Gu, Daejeon 305-600, Korea

d School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Korea

e Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA

f School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 136-713, Korea
E-mail: dwkim1@korea.ac.kr

Abstract

TiOx/carbon composite nanosheets were synthesized by a “pulsed solution plasma” technique in a Ti-contained solution. The discharge characteristics of the plasma were investigated via the resistance of the plasma channel from current and voltage profiles as a function of capacitor energy. Furthermore, the Ti-based oxides were characterized in detail using high-resolution transmission electron microscopy and selected area electron diffraction. Finally, the formation mechanism of the product was discussed through optical emission spectroscopy. The analyses revealed that the products were composed of spherical nanoparticles of TiO, TiO2 rutile phases and polycrystalline anatase TiO2/carbon composite nanosheets, which were formed by plasma or plasma-induced reactions between species in Ti-contained solution.

Graphical abstract: Synthesis of carbon-incorporated titanium oxide nanocrystals by pulsed solution plasma: electrical, optical investigation and nanocrystals analysis

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Article information

DOI
https://doi.org/10.1039/C4RA15251D
Article type
Paper
Submitted
26 Nov 2014
Accepted
24 Dec 2014
First published
24 Dec 2014

RSC Adv., 2015,5, 9497-9502

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Synthesis of carbon-incorporated titanium oxide nanocrystals by pulsed solution plasma: electrical, optical investigation and nanocrystals analysis

C. W. Lee, S. Lee, J. H. Noh, H. S. Jung, K. Chung, K. S. Hong, D. W. Kim, Y. S. Hwang and D. Kim, RSC Adv., 2015, 5, 9497 DOI: 10.1039/C4RA15251D

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