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HomeKey Engineering MaterialsKey Engineering Materials Vols. 609-610Research on Multi-Walled Carbon Nanotubes by Fiber...

Research on Multi-Walled Carbon Nanotubes by Fiber Laser Irradiation

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Abstract:

In this paper we report Multi-walled carbon nanotubes (MWCNTs) have been joined together by continuous wave fiber laser operating at 1064 nm. The SEM image clearly shows that there are obvious melting - solidified phenomenon between the jointed Multi-walled carbon nanotubes. MWCNTs wall was complete and smooth without destruction phenomenon. The new graphite layers were found in the connection with transmission electron microscopy (TEM). Besides, we observed that the present multi-walled carbon nanotubes showed the trend of melting connecting to destruction as the laser irradiation time increased in the case of a certain power density. In the end, there were recrystallization phenomena during MWCNTs joining with the Raman spectra. The crystallinity and length to diameter ratio decreased following the increasing irradiation time.

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Micro-Nano Technology XV

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Periodical:

Key Engineering Materials (Volumes 609-610)

Pages:

382-387

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.609-610.382

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Online since:

April 2014

Authors:

Quan Shuang Su, Ji Min Chen*, Fu Rong Liu

Keywords:

Fiber Laser, Micro Joining, Multi-Walled Carbon Nanotube (MWCNT), Raman Spectra

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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