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Study on micro-patterning process of vertically aligned carbon nanotubes (VACNTs)

M Razib, M Asyraf and Rana, Masud and Saleh, Tanveer and Asan Gani, Abdul Muthalif (2016) Study on micro-patterning process of vertically aligned carbon nanotubes (VACNTs). Fullerenes, Nanotubes and Carbon Nanostructures. pp. 88-99. ISSN 1536-383X

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Abstract

Vertically aligned carbon nanotubes (VACNTs) have drawn significant attention by the researchers because of their nanometric size and favorable material properties. Patterning of CNT forests in the micrometric domain is very important for their application in the area of microelectromechanical system (MEMS). For the first time this paper reports, detailed experimental investigation on a post growth m-patterning process of VACNT forests. The micromechanical bending (M2B) process was locally applied at the targeted area in order to change the alignment of VACNT forests. Interestingly, the VACNT forest was transformed from typical black body absorber to reflective mirror as the M2B process was applied. Several parameters were identified that govern the resultant patterns such as rotational spindle speed, lateral bending speed, step size, tool morphology, and total depth of bend. Optimization of the parameters was carried out experimentally to obtain the best surface roughness and integrity of the microstructure. A minimum average surface roughness of Ra D 15 nm was achieved with 2000 rpm spindle speed, 1 mm/min bending speed and 1 mm step size.

Item Type: Article (Journal)
Additional Information: 6808/50574
Uncontrolled Keywords: Carbon nanotubes, micromechanical bending, MEMS, 3-DMicro fabrication
Subjects: T Technology > T Technology (General)
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User: Dr. Tanveer Saleh CEng MIMechE
Date Deposited: 06 May 2016 16:57
Last Modified: 13 Apr 2017 12:38
URI: http://irep.iium.edu.my/id/eprint/50574

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