Preparation and characterization of multiwalled carbon nanotube/In 2O3 composites

Péter Berki, Zoltán Németh, Balázs Réti, Ottó Berkesi, Arnaud Magrez, Vladimir Aroutiounian, László Forró, Klara Hernadi

Research output: Article

15 Citations (Scopus)

Abstract

We have prepared multiwalled carbon nanotube (MWCNT)/In2O 3 composites using a simple impregnation method. The precursor compound indium(III) chloride (InCl3) was used to cover the surface of MWCNTs and distilled water was used as solvent. The applied mass ratio was 4:1 (In2O3/MWCNT), and during the calcination process different temperatures (300, 350 and 400 C) were investigated. The produced materials were characterized by X-ray diffraction, energy-dispersive X-ray spectroscopy, Raman spectroscopy, Fourier transform infrared spectroscopy, transmission and scanning electron microscopy, and a thermogravimetric analysis was executed also. The average thickness of the produced surface layer and the average sizes of the In2O3 particles were calculated with the Scherrer formula and the ImageJ-program. The results show that the heat treatment temperature affected the characteristic morphology and the crystal structure of the as-prepared composite. These multiwalled carbon nanotube-based composites are promising candidates as gas sensors and catalyst.

Original languageEnglish
Pages (from-to)266-272
Number of pages7
JournalCarbon
Volume60
DOIs
Publication statusPublished - aug. 2013

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Multiwalled carbon nanotubes (MWCN)
Indium compounds
Composite materials
Chemical sensors
Impregnation
Calcination
Fourier transform infrared spectroscopy
Raman spectroscopy
Thermogravimetric analysis
Chlorides
Crystal structure
Heat treatment
Transmission electron microscopy
X ray diffraction
Temperature
Scanning electron microscopy
Catalysts
Water

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Preparation and characterization of multiwalled carbon nanotube/In 2O3 composites. / Berki, Péter; Németh, Zoltán; Réti, Balázs; Berkesi, Ottó; Magrez, Arnaud; Aroutiounian, Vladimir; Forró, László; Hernadi, Klara.

In: Carbon, Vol. 60, 08.2013, p. 266-272.

Research output: Article

Berki, Péter ; Németh, Zoltán ; Réti, Balázs ; Berkesi, Ottó ; Magrez, Arnaud ; Aroutiounian, Vladimir ; Forró, László ; Hernadi, Klara. / Preparation and characterization of multiwalled carbon nanotube/In 2O3 composites. In: Carbon. 2013 ; Vol. 60. pp. 266-272.
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AU - Magrez, Arnaud

AU - Aroutiounian, Vladimir

AU - Forró, László

AU - Hernadi, Klara

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