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  5. Progression in the growth of cylindric nanostructures: carbon nanotubes (CNTs) and carbon nanofibers (CNFs) on graphene
 
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Progression in the growth of cylindric nanostructures: carbon nanotubes (CNTs) and carbon nanofibers (CNFs) on graphene

Journal
International Journal of Nanoelectronics and Materials (IJNeaM)
ISSN
1985-5761
Date Issued
2022-12
Author(s)
Syarifah Norfaezah Sabki
Universiti Malaysia Perlis
Norzilah Abdul Halif
Universiti Malaysia Perlis
H.A. Hanafi
Universiti Malaysia Perlis
Mishthafiyatillah
Universiti Malaysia Perlis
Muhammad Asri Idris
Universiti Malaysia Perlis
Norashiken Othman
Universiti Malaysia Perlis
Mohamad Nazri Abdul Halif
Universiti Malaysia Perlis
Norhayati Sabani
Universiti Malaysia Perlis
A.F. Abd Rahim
Universiti Teknologi MARA
Abstract
The combination of carbon nanotubes (CNTs) and graphene produce a CNTs-graphene hybrid material with excellent electrical and mechanical properties that improved from their single form. This CNTs-graphene hybrid material has the potential to be used as electrodes and interconnects as it has better properties compared to copper (Cu). This work intended to grow CNTs on graphene using a CVD technique. The growth process used graphene on a Cu substrate with ferrocene as the catalyst, acetone as the carbon precursor and reactor temperature of 800oC. However, the process has unintentionally grown carbon nanofibers (CNFs). To observe the progression in the growth of CNTs and CNFs on graphene, the effect of growth reaction time is crucial. Hence, this work investigates the growth progression of the CNTs and CNFs on graphene based on different reaction times of 10 min, 20 min, 30 min and 60 min. It was found that the agglomeration of carbon is incomplete at 10 min reaction time and produced cylindric nanostructures. A further reaction time of 20 min and 30 min has significantly changed the size of the cylindric nanostructures into CNTs and CNFs with a very slight difference in the size, density, and coverage. The 30 min reaction time produced denser CNTs and CNFs with more uniform size and coverages. A longer reaction time of 60 min led to very long CNFs with an average length of 120 μm. In conclusion, meticulous fine-tuning of the reaction time is required to control the formation of CNTs and CNFs on graphene.
Subjects
  • Carbon Nanotubes (CNT...

  • CNTs-graphene hybrid

  • Chemical vapor deposi...

File(s)
Progression in the Growth of Cylindric Nanostructures- Carbon Nanotubes (CNTs) and Carbon Nanofibers (CNFs) on Graphene.pdf (687.76 KB)
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Nov 19, 2024
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