Effect of high-energy ball milling on morphology and field emission properties of multi-walled carbon nanotubes

Laiqiang Luo; Ke Yu; Yongsheng Zhang; Ziqiang Zhu; Shaoqiang Chen

doi:10.1117/12.607470

8 December 2004 Effect of high-energy ball milling on morphology and field emission properties of multi-walled carbon nanotubes

Laiqiang Luo, Ke Yu, Yongsheng Zhang, Ziqiang Zhu, Shaoqiang Chen

Author Affiliations +

Proceedings Volume 5774, Fifth International Conference on Thin Film Physics and Applications; (2004) https://doi.org/10.1117/12.607470
Event: Fifth International Conference on Thin Film Physics and Applications, 2004, Shanghai, China

Abstract

The effects of grinding for different time in a vibrating mill with the mixture of Fe powder and multi-walled carbon nanotubes (MWNTs) were studied. The morphology and structure of as-ground MWNTs were carried out by X-ray diffraction (XRD) and High-resolution transmission electronic microscopy (HRTEM). The results showed that some closed ends of MWNTs were broken while ground for 8 hours, and the rate of broken ends increased with grinding time. The Field emission measurements demonstrated that the turn-on field of the sample decreased from 4.0 to 2.6 V/μm after grinding.

Citation Download Citation

Laiqiang Luo, Ke Yu, Yongsheng Zhang, Ziqiang Zhu, and Shaoqiang Chen "Effect of high-energy ball milling on morphology and field emission properties of multi-walled carbon nanotubes", Proc. SPIE 5774, Fifth International Conference on Thin Film Physics and Applications, (8 December 2004); https://doi.org/10.1117/12.607470

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