Phonon and adsorption properties of aggregated carbon nanotubes and novel productions for tubular graphite and individual graphenes

博士 === 國立清華大學 === 材料科學工程學系 === 96 === This thesis is devoted to probe into the influences of the intertube interactions or intertube junctions on the physical properties of SWCNT mat, such as thermal properties, electronic transporting properties, and mechanical properties. This thesis is divided in...

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Main Authors: Ching-Tung Hsu, 許景棟
Other Authors: Wen-Kuang Hsu
Format: Others
Language:en_US
Published: 2008
Online Access:http://ndltd.ncl.edu.tw/handle/77121896479232772204
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spelling ndltd-TW-096NTHU51590442015-11-27T04:04:16Z http://ndltd.ncl.edu.tw/handle/77121896479232772204 Phonon and adsorption properties of aggregated carbon nanotubes and novel productions for tubular graphite and individual graphenes 奈米碳管的聲子,吸附性質及其新穎的合成技術 Ching-Tung Hsu 許景棟 博士 國立清華大學 材料科學工程學系 96 This thesis is devoted to probe into the influences of the intertube interactions or intertube junctions on the physical properties of SWCNT mat, such as thermal properties, electronic transporting properties, and mechanical properties. This thesis is divided into few parts: In the chapter 1, an introduction to this thesis is given. In the chapter 2, literature review and experiment method are shown in this chapter. In the chapter 3, we use First Principe Density Function Theory to simulate the thermal property on carbon nanotube. SWCNTs packed into bundle exhibit an increase in tube rigidity and up-shift of phonon frequency by intertube force. In the chapter 4, experiments are carried out to show how thermal conductivity is influenced by internanotube junctions. In the chapter 5, experiments are performed to demonstrate the effects of ion gas adsorption, migration and desorption on carbon nanotubes. First Principe DFT calculations are given to explain the results. It is shown that the adsorptions at internanotube junctions play an important role in whole resistance of SWCNT mat. In the chapter 6, Corona discharge is used as a novel way to produce carbon nanotubes, nanofibers, graphene and porous carbon structure. In the chapter 7, Corona discharge is used as a new method to produce graphene and First Principe DFT calculations have been carried out to evaluate the graphene property. Wen-Kuang Hsu 徐文光 2008 學位論文 ; thesis 95 en_US
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language en_US
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description 博士 === 國立清華大學 === 材料科學工程學系 === 96 === This thesis is devoted to probe into the influences of the intertube interactions or intertube junctions on the physical properties of SWCNT mat, such as thermal properties, electronic transporting properties, and mechanical properties. This thesis is divided into few parts: In the chapter 1, an introduction to this thesis is given. In the chapter 2, literature review and experiment method are shown in this chapter. In the chapter 3, we use First Principe Density Function Theory to simulate the thermal property on carbon nanotube. SWCNTs packed into bundle exhibit an increase in tube rigidity and up-shift of phonon frequency by intertube force. In the chapter 4, experiments are carried out to show how thermal conductivity is influenced by internanotube junctions. In the chapter 5, experiments are performed to demonstrate the effects of ion gas adsorption, migration and desorption on carbon nanotubes. First Principe DFT calculations are given to explain the results. It is shown that the adsorptions at internanotube junctions play an important role in whole resistance of SWCNT mat. In the chapter 6, Corona discharge is used as a novel way to produce carbon nanotubes, nanofibers, graphene and porous carbon structure. In the chapter 7, Corona discharge is used as a new method to produce graphene and First Principe DFT calculations have been carried out to evaluate the graphene property.
author2 Wen-Kuang Hsu
author_facet Wen-Kuang Hsu
Ching-Tung Hsu
許景棟
author Ching-Tung Hsu
許景棟
spellingShingle Ching-Tung Hsu
許景棟
Phonon and adsorption properties of aggregated carbon nanotubes and novel productions for tubular graphite and individual graphenes
author_sort Ching-Tung Hsu
title Phonon and adsorption properties of aggregated carbon nanotubes and novel productions for tubular graphite and individual graphenes
title_short Phonon and adsorption properties of aggregated carbon nanotubes and novel productions for tubular graphite and individual graphenes
title_full Phonon and adsorption properties of aggregated carbon nanotubes and novel productions for tubular graphite and individual graphenes
title_fullStr Phonon and adsorption properties of aggregated carbon nanotubes and novel productions for tubular graphite and individual graphenes
title_full_unstemmed Phonon and adsorption properties of aggregated carbon nanotubes and novel productions for tubular graphite and individual graphenes
title_sort phonon and adsorption properties of aggregated carbon nanotubes and novel productions for tubular graphite and individual graphenes
publishDate 2008
url http://ndltd.ncl.edu.tw/handle/77121896479232772204
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