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Utilization of fermented glutinous rice as starting material for carbon nanotubes synthesis using thermal-CVD / Nik Farhana Samsudin

A new approach of starting material for CNTs preparation has been introduced in this research. The fermentation conditions of glutinous rice have been optimized to ensure it was suitable to be used in Two-system Thermal Chemical Vapor Deposition(Thermal CVD) method. The prepared CNTs were characteri...

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Main Author: Samsudin, Nik Farhana
Format: Thesis
Language:English
Published: 2012
Subjects:
QD Chemistry
Online Access:https://ir.uitm.edu.my/id/eprint/7785/1/7785.pdf
https://ir.uitm.edu.my/id/eprint/7785/
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spelling my.uitm.ir.77852022-08-16T00:11:07Z https://ir.uitm.edu.my/id/eprint/7785/ Utilization of fermented glutinous rice as starting material for carbon nanotubes synthesis using thermal-CVD / Nik Farhana Samsudin Samsudin, Nik Farhana QD Chemistry A new approach of starting material for CNTs preparation has been introduced in this research. The fermentation conditions of glutinous rice have been optimized to ensure it was suitable to be used in Two-system Thermal Chemical Vapor Deposition(Thermal CVD) method. The prepared CNTs were characterized using Scanning Electron Microscopy (SEM), Fourier Transform Infrared Spectroscopy (FTIR) and Raman spectroscopy. In optimizing the fermented glutinous rice, inoculum amounts were varied from 1 - 11 wt. % of the glutinous rice, meanwhile the incubation time was ranged from 2 to 8 days period. Incubation temperatures were examined from 10°C up to50°C. It was concluded that the optimum inoculums amount in fermented glutinous rice for CNTs synthesis was 1 wt. % and it should be inoculated for 2 days at 30°C of incubation temperature. As such, the optimized fermented glutinous rice was further used for the optimization of Thermal CVD system. Furnace 1 was ranged from 300°C to500°C with 50°C interval, meanwhile furnace 2 temperature was examined from 600°Cto 900°C with the same interval. The fermented glutinous rice was fully vapored at450°C in furnace 1, meanwhile the deposition temperature (furnace 2 temperature) was best at 750°C. Catalyst preparation also plays an important role for CNTs synthesis. Three types of catalyst preparation was introduced; Seeded, Floated and last but not least Seeded-Floated preparation. Nickel was used as Seeded catalyst as it was reported to be the fastest metal catalyst diffused by carbon thus had promoted the catalytic activity and carbon segregation in CNTs synthesis. Meanwhile ferrocene was used for Floated catalyst preparation due to its volatile organometallic complex which was suitable to make CNTs in large scale using CVD method. 2012 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/7785/1/7785.pdf Utilization of fermented glutinous rice as starting material for carbon nanotubes synthesis using thermal-CVD / Nik Farhana Samsudin. (2012) Masters thesis, thesis, Universiti Teknologi MARA. <http://terminalib.uitm.edu.my/7785.pdf>
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic QD Chemistry
spellingShingle QD Chemistry
Samsudin, Nik Farhana
Utilization of fermented glutinous rice as starting material for carbon nanotubes synthesis using thermal-CVD / Nik Farhana Samsudin
description A new approach of starting material for CNTs preparation has been introduced in this research. The fermentation conditions of glutinous rice have been optimized to ensure it was suitable to be used in Two-system Thermal Chemical Vapor Deposition(Thermal CVD) method. The prepared CNTs were characterized using Scanning Electron Microscopy (SEM), Fourier Transform Infrared Spectroscopy (FTIR) and Raman spectroscopy. In optimizing the fermented glutinous rice, inoculum amounts were varied from 1 - 11 wt. % of the glutinous rice, meanwhile the incubation time was ranged from 2 to 8 days period. Incubation temperatures were examined from 10°C up to50°C. It was concluded that the optimum inoculums amount in fermented glutinous rice for CNTs synthesis was 1 wt. % and it should be inoculated for 2 days at 30°C of incubation temperature. As such, the optimized fermented glutinous rice was further used for the optimization of Thermal CVD system. Furnace 1 was ranged from 300°C to500°C with 50°C interval, meanwhile furnace 2 temperature was examined from 600°Cto 900°C with the same interval. The fermented glutinous rice was fully vapored at450°C in furnace 1, meanwhile the deposition temperature (furnace 2 temperature) was best at 750°C. Catalyst preparation also plays an important role for CNTs synthesis. Three types of catalyst preparation was introduced; Seeded, Floated and last but not least Seeded-Floated preparation. Nickel was used as Seeded catalyst as it was reported to be the fastest metal catalyst diffused by carbon thus had promoted the catalytic activity and carbon segregation in CNTs synthesis. Meanwhile ferrocene was used for Floated catalyst preparation due to its volatile organometallic complex which was suitable to make CNTs in large scale using CVD method.
format Thesis
author Samsudin, Nik Farhana
author_facet Samsudin, Nik Farhana
author_sort Samsudin, Nik Farhana
title Utilization of fermented glutinous rice as starting material for carbon nanotubes synthesis using thermal-CVD / Nik Farhana Samsudin
title_short Utilization of fermented glutinous rice as starting material for carbon nanotubes synthesis using thermal-CVD / Nik Farhana Samsudin
title_full Utilization of fermented glutinous rice as starting material for carbon nanotubes synthesis using thermal-CVD / Nik Farhana Samsudin
title_fullStr Utilization of fermented glutinous rice as starting material for carbon nanotubes synthesis using thermal-CVD / Nik Farhana Samsudin
title_full_unstemmed Utilization of fermented glutinous rice as starting material for carbon nanotubes synthesis using thermal-CVD / Nik Farhana Samsudin
title_sort utilization of fermented glutinous rice as starting material for carbon nanotubes synthesis using thermal-cvd / nik farhana samsudin
publishDate 2012
url https://ir.uitm.edu.my/id/eprint/7785/1/7785.pdf
https://ir.uitm.edu.my/id/eprint/7785/
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score 13.211869

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