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CARBONLETT, vol. 28, no. 1, pp.16-23, 2018

DOI: http://dx.doi.org/ DOI:10.5714/CL.2018.28.016

A novel preparation and formation mechanism of carbon nanotubes aerogel

Li Shaolong*, He Yan*,♠, Jing Chengwei, Gong Xiubin, Cui Lianlei, Cheng Zhongyue, Zhang Chuanqi, and Nan Fei

Affiliation: Qingdao University of Science and Technology, Qingdao 266061, China

Abstract: A novel, unique, and effective method for carbon nanotube (CNT) dispersion by the free arc stimulation is proposed. CNTs are introduced as an aerogel into the air space via the dispersion method and can be utilized as a solution by adding it to solvents. The volume of the original generated CNT aerogel with a high-volume expansion ratio displays a performance two orders of magnitudes better than that of raw CNTs, which is considered a powerful characterization of the dispersion effect. The CNT aerogel, which was observed by scanning electron microscopy also showed a satisfactory dispersion morphology. Its structure and properties were tested before and after dispersion by Raman spectroscopy and great consistency was observed, which proved that the CNTs were undamaged. This approach may greatly promote the large-scale application of CNTs.

Keyword: CNTs, aerogel, dispersion