Low temperature synthesis and small diameter of carbon nanotubes by microwave plasma-enhanced chemical vapor deposition
碩士 === 國立臺北科技大學 === 製造科技研究所 === 90 === The main focus of this thesis is to study low temperature growth of carbon nanotubes by MPECVD and by using ferrocene as catalyst in order to reduce the diameter of the carbon nanotubes. Studies show that large-area and well-aligned carbon nanotubes...
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ndltd-TW-090TIT006210142015-10-13T14:41:26Z http://ndltd.ncl.edu.tw/handle/68793764086857677282 Low temperature synthesis and small diameter of carbon nanotubes by microwave plasma-enhanced chemical vapor deposition 利用微波輔助電漿沈積系統低溫合成奈米碳管與小管徑化之研究 李明修 碩士 國立臺北科技大學 製造科技研究所 90 The main focus of this thesis is to study low temperature growth of carbon nanotubes by MPECVD and by using ferrocene as catalyst in order to reduce the diameter of the carbon nanotubes. Studies show that large-area and well-aligned carbon nanotubes have been successfully obtained by using ferrocene powder as catalyst. As for the low temperature growth, we have fabricated carbon nanotubes on ITO glass at 500℃ by using Fe-Ni thin film as catalyst. Further reduction of the process temperature led to formation of carbon-iron phase lesser quality. By using Ferrocene and Nicklocene powder as catalyst, it turns out that carbon nanotube can be found on the top of carbon fiber with diameter of less than 10 nm. The filed emission properties of CNTs grown on Si substrate at 1000℃ by using ferrocene powder as catalyst show a turn-on field of 1 V/μm, at which the current density was 10 mA/cm2.In contract, the turn-on field of CNTs grown on ITO glass at 500℃ was strongly dependent on the growth time. With the growth time increases, the turn-on field tends to decrease. Over all, field emission properties of the low temperature grown CNTs are inferior to their counter parts grown at higher temperature. 林啟瑞 陳貴賢 林麗瓊 2002 學位論文 ; thesis 0 zh-TW |
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碩士 === 國立臺北科技大學 === 製造科技研究所 === 90 === The main focus of this thesis is to study low temperature growth of carbon nanotubes by MPECVD and by using ferrocene as catalyst in order to reduce the diameter of the carbon nanotubes.
Studies show that large-area and well-aligned carbon nanotubes have been successfully obtained by using ferrocene powder as catalyst. As for the low temperature growth, we have fabricated carbon nanotubes on ITO glass at 500℃ by using Fe-Ni thin film as catalyst. Further reduction of the process temperature led to formation of carbon-iron phase lesser quality.
By using Ferrocene and Nicklocene powder as catalyst, it turns out that carbon nanotube can be found on the top of carbon fiber with diameter of less than 10 nm.
The filed emission properties of CNTs grown on Si substrate at 1000℃ by using ferrocene powder as catalyst show a turn-on field of 1 V/μm, at which the current density was 10 mA/cm2.In contract, the turn-on field of CNTs grown on ITO glass at 500℃ was strongly dependent on the growth time. With the growth time increases, the turn-on field tends to decrease. Over all, field emission properties of the low temperature grown CNTs are inferior to their counter parts grown at higher temperature.
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林啟瑞 |
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林啟瑞 李明修 |
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李明修 |
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李明修 Low temperature synthesis and small diameter of carbon nanotubes by microwave plasma-enhanced chemical vapor deposition |
author_sort |
李明修 |
title |
Low temperature synthesis and small diameter of carbon nanotubes by microwave plasma-enhanced chemical vapor deposition |
title_short |
Low temperature synthesis and small diameter of carbon nanotubes by microwave plasma-enhanced chemical vapor deposition |
title_full |
Low temperature synthesis and small diameter of carbon nanotubes by microwave plasma-enhanced chemical vapor deposition |
title_fullStr |
Low temperature synthesis and small diameter of carbon nanotubes by microwave plasma-enhanced chemical vapor deposition |
title_full_unstemmed |
Low temperature synthesis and small diameter of carbon nanotubes by microwave plasma-enhanced chemical vapor deposition |
title_sort |
low temperature synthesis and small diameter of carbon nanotubes by microwave plasma-enhanced chemical vapor deposition |
publishDate |
2002 |
url |
http://ndltd.ncl.edu.tw/handle/68793764086857677282 |
work_keys_str_mv |
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