Carbon Nanofibers from Carbon Nanotubes by 1.2 keV Ar+ Sputtering at Room Temperature

Autor:	Xue, Shuang-Xi, Li, Qin-Tao, Zhao, Xian-Rui, Shi, Qin-Yi, Li, Zhi-Gang, Liu, Yan-Ping
Jazyk:	angličtina
Rok vydání:	2014
Předmět:	Condensed Matter::Materials Science Article Subject Physics::Medical Physics lcsh:Technology (General) Physics::Optics lcsh:T1-995
Zdroj:	Journal of Nanomaterials, Vol 2014 (2014)
ISSN:	1687-4129 1687-4110
Popis:	Multi-walled carbon nanotubes (MWCNTs) were irradiated by 1.2 keV Ar ion beams for 15–60 min at room temperature with current density of 60 µA/cm2. The morphology and microstructure are investigated by scanning electron microscopy, transmission electron microscopy and Raman spectroscopy. The results show that carbon nanofibers are achieved after 60 min ion irradiation and the formation of carbon nanofibers proceeds through four periods, carbon nanotubes—amorphous carbon nanowires—carbon nanoparticles along the tube axis—conical protrusions on the nanoparticles surface—carbon nanofibers from the conical protrusions.
Databáze:	OpenAIRE
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