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Appl. Sci. 2019, 9(3), 476;

Femtosecond Laser Irradiation of Carbon Nanotubes to Metal Electrodes

1,2,3,4,*, 1,3, 1,3, 1,3,5 and 1,3
State Key Laboratory for Manufacturing System Engineering, Xi’an Jiaotong University, Xi’an 710049, China
State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, China
Shaanxi Key Laboratory of Intelligent Robots, Xi’an Jiaotong University, Xi’an 710049, China
State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics of Chinese Academy of Sciences, Xi’an 710119, China
School of Construction Machinery, Chang’an University, Xi’an 710064, China
Author to whom correspondence should be addressed.
Received: 12 December 2018 / Revised: 22 January 2019 / Accepted: 28 January 2019 / Published: 30 January 2019
(This article belongs to the Special Issue Selected Papers from the NMJ2018)
PDF [1159 KB, uploaded 30 January 2019]


Carbon nanotubes (CNTs) have excellent performance, which means that they could be better electrical conductors. However, the problem of the connection of CNTs to electrodes limits their application. Particularly, improving connection efficiency while ensuring the quality of the connection is a big challenge, because it is difficult to form Ohmic contact between CNTs and electrodes. To address this issue, we propose the use of a femtosecond laser to irradiate the contact surface between the CNTs and the electrodes to obtain a good connection quality and electrical performance. At the same time, since the laser-induced connection acts on all the contact surfaces in the irradiation area, the connection efficiency can be improved, which provides a new idea for the large-scale preparation of the connection. View Full-Text
Keywords: carbon nanotubes; connection; laser-induced processing; contact resistance carbon nanotubes; connection; laser-induced processing; contact resistance

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Cui, J.; Cheng, Y.; Zhang, J.; Mei, H.; Wang, X. Femtosecond Laser Irradiation of Carbon Nanotubes to Metal Electrodes. Appl. Sci. 2019, 9, 476.

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