Fabrication of single-phase tungsten carbide laminae from multi-walled carbon nanotubes using high direct current pulse
by Woo Sik Kim; Hwan Soo Dow; Weon Ho Shin
International Journal of Nanotechnology (IJNT), Vol. 15, No. 6/7, 2018

Abstract: Single-phase tungsten carbide (WC) laminae were fabricated by treating multi-walled carbon nanotubes (MWCNTs) with tungsten trioxide using high direct current pulses. We confirmed that single-phase WC laminae are transformed from unzipped MWCNTs and they have a graphene layer structure. Therefore, their thickness and width are almost identical with those of transformed graphene layers from MWCNTs. We investigated the structure of as-synthesised WC laminae by using a variety of characterisation techniques, such as field emission scanning electron microscopy, high-resolution transmission electron microscopy, X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS).

Online publication date: Mon, 26-Nov-2018

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