Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5461036 | Journal of Alloys and Compounds | 2017 | 29 Pages |
Abstract
The well-defined core/shell-type titanium carbide/carbon nanocrystals have been synthesized by DC arc-discharge plasma in diverse atmospheres (H2, Ar, He). It is confirmed that the TiC/C nanocrystals are diversiform in crystallographic morphologies with the exposed facets, e.g. rhombic, cubic, truncated-cubic and truncated-octahedral. The energetic ions of H+ and Ar+ within the arc-flame greatly influence the growth of truncated-octahedral TiC seeds and result in the final morphologies. Electrocatalytic behaviors of four kinds of TiC/C nanocrystals were preliminarily investigated by using 2,4-dichlorophenol (2,4-DCP) as a pollutant target. It is indicated that the removal efficiency of 2,4-DCP can reach to 73% at an appropriate bias potential in 180Â min. With the increase of the area of (111) facets on a TiC/C nanocrystal, the bias potential becomes smaller and the removal efficiency gets higher. Such TiC/C nanocrystals can be excellent as the electrochemical electrode to degrade the refractory organic pollutants.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Jieyi Yu, Hongtao Yu, Jian Gao, Lei Zhou, Ang Ding, Xiaoxia Gao, Hao Huang, Song Gao, Asif Shah, Xinglong Dong, Xie Quan,