Fabrication and characterization of 3D graphite-CNT structures

Graphite, graphene and carbon nanotubes are the carbon allotropes of carbon. The combination of carbon allotropes has attracted great attention and emerged as a new class of promising materials which has exciting potential in the application of energy storage devices such as high-performance superca...

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Main Author: Tan, Yun Hui
Other Authors: Tay Beng Kang
Format: Final Year Project
Language:English
Published: 2019
Subjects:
Online Access:http://hdl.handle.net/10356/77330
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-773302023-07-07T16:05:08Z Fabrication and characterization of 3D graphite-CNT structures Tan, Yun Hui Tay Beng Kang School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering Graphite, graphene and carbon nanotubes are the carbon allotropes of carbon. The combination of carbon allotropes has attracted great attention and emerged as a new class of promising materials which has exciting potential in the application of energy storage devices such as high-performance supercapacitors, field-effect transistors and batteries, owing to their large specific surface areas as well as unique electrical and mechanical properties. The aim of this project is to fabricate a 3D graphite-carbon nanotube structure using Thermal Chemical Vapor Deposition method, where nickel foam is used as the substrate and ethanol is used as the carbon source. Full coverage of graphite is fabricated on the nickel foam by varying the gas flow rate of argon and hydrogen gas. The graphite is then served as the substrate for carbon nanotube fabrication. The primary focus of the project is to optimize the growth of carbon nanotubes by tuning the parameters such as the concentration of liquid catalyst, the thickness of solid catalyst and growth temperature. Characterizations for each fabrication process are done using the Scanning Electron Microscope and Raman Spectroscopy. The results show that graphite-carbon nanotubes structures are fabricated as desired using solid Ni catalyst. The fabrication process of carbon nanotubes is the most crucial and challenging stage in growing the hybrid structures as the properties of the nickel catalyst have a significant effect on the carbon nanotube growth. Bachelor of Engineering (Electrical and Electronic Engineering) 2019-05-27T03:29:47Z 2019-05-27T03:29:47Z 2019 Final Year Project (FYP) http://hdl.handle.net/10356/77330 en Nanyang Technological University 75 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Electrical and electronic engineering
spellingShingle DRNTU::Engineering::Electrical and electronic engineering
Tan, Yun Hui
Fabrication and characterization of 3D graphite-CNT structures
description Graphite, graphene and carbon nanotubes are the carbon allotropes of carbon. The combination of carbon allotropes has attracted great attention and emerged as a new class of promising materials which has exciting potential in the application of energy storage devices such as high-performance supercapacitors, field-effect transistors and batteries, owing to their large specific surface areas as well as unique electrical and mechanical properties. The aim of this project is to fabricate a 3D graphite-carbon nanotube structure using Thermal Chemical Vapor Deposition method, where nickel foam is used as the substrate and ethanol is used as the carbon source. Full coverage of graphite is fabricated on the nickel foam by varying the gas flow rate of argon and hydrogen gas. The graphite is then served as the substrate for carbon nanotube fabrication. The primary focus of the project is to optimize the growth of carbon nanotubes by tuning the parameters such as the concentration of liquid catalyst, the thickness of solid catalyst and growth temperature. Characterizations for each fabrication process are done using the Scanning Electron Microscope and Raman Spectroscopy. The results show that graphite-carbon nanotubes structures are fabricated as desired using solid Ni catalyst. The fabrication process of carbon nanotubes is the most crucial and challenging stage in growing the hybrid structures as the properties of the nickel catalyst have a significant effect on the carbon nanotube growth.
author2 Tay Beng Kang
author_facet Tay Beng Kang
Tan, Yun Hui
format Final Year Project
author Tan, Yun Hui
author_sort Tan, Yun Hui
title Fabrication and characterization of 3D graphite-CNT structures
title_short Fabrication and characterization of 3D graphite-CNT structures
title_full Fabrication and characterization of 3D graphite-CNT structures
title_fullStr Fabrication and characterization of 3D graphite-CNT structures
title_full_unstemmed Fabrication and characterization of 3D graphite-CNT structures
title_sort fabrication and characterization of 3d graphite-cnt structures
publishDate 2019
url http://hdl.handle.net/10356/77330
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