Influence of the Sulfur Content Catalyst on the Packing Density of Carbon Nanotube Forests

Title
Influence of the Sulfur Content Catalyst on the Packing Density of Carbon Nanotube Forests
Authors
김승민문숙영강인지김우식
Issue Date
2019-06
Publisher
Nanomaterials
Citation
VOL 9-889-11
Abstract
For the fabrication of high-performance carbon nanotube (CNT) composites with practical applicability, the development of new methods for the controlled growth of high-aspect-ratio CNTs still constitutes a challenge. With the aim of gaining a deeper understanding of the catalytic CNT growth, in this study, the e ect of the catalyst composition is investigated using di erent mixtures of Fe2(SO4)3 and FeCl2 as catalysts. The relationship between the catalyst chemical state and the growth behavior of CNT forests is demonstrated by evaluating the alignment, diameter, length, and areal density of the CNT forests. When the Fe2(SO4)3 content is increased, the area density, the IG/ID ratio, and the crystallite size of the CNTs increase. Additionally, the obtained CNT forests exhibit good spinnability with increasing the sulfur content.
URI
http://pubs.kist.re.kr/handle/201004/69519
ISSN
2079-4991
Appears in Collections:
KIST Publication > Article
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