JP5653822B2 - カーボンナノチューブの製造方法 - Google Patents
カーボンナノチューブの製造方法 Download PDFInfo
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- JP5653822B2 JP5653822B2 JP2011083003A JP2011083003A JP5653822B2 JP 5653822 B2 JP5653822 B2 JP 5653822B2 JP 2011083003 A JP2011083003 A JP 2011083003A JP 2011083003 A JP2011083003 A JP 2011083003A JP 5653822 B2 JP5653822 B2 JP 5653822B2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 94
- 239000002041 carbon nanotube Substances 0.000 title claims description 39
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 60
- 239000002184 metal Substances 0.000 claims description 60
- 229910052799 carbon Inorganic materials 0.000 claims description 57
- 239000000758 substrate Substances 0.000 claims description 48
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 37
- 230000003197 catalytic effect Effects 0.000 claims description 16
- 238000005268 plasma chemical vapour deposition Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000010936 titanium Substances 0.000 claims description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 6
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 description 24
- 230000000052 comparative effect Effects 0.000 description 17
- 239000007789 gas Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000001069 Raman spectroscopy Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
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Description
本発明者等は既述する本発明の製造方法を適用してカーボンナノチューブを製造してその成長態様を観察するとともに、金属カーバイドを形成する触媒金属に対するカーボンの質量比率(C/Ni比)の最適範囲を規定するための実験をおこなった。
純度99.9999%、厚みが0.3mmで平面の縦横が10mm×10mmのシリコン基材上にチタンからなる緩衝層を形成して基板を形成し、カーボンナノチューブの成長触媒にニッケルを用い、このターゲットブロック上にグラファイトカーボン板をTi:Ni:Cの質量比率が45:45:10(実施例1)、40:40:20(実施例2)、35:35:30(実施例3)、33:33:33(実施例4)の各比率で配置後、60MHzRF電源を用いたスパッタリングによって触媒金属とカーボンを散布した。
上記実施例と同様の条件下でCNT成長を試みたが、比較例はその製造過程で触媒金属とカーボンを基板上に散布しないことから、Ti:Ni:Cの質量比率を50:50:0で(比較例)とした。比較例のD/G比を同様に図5に示し、成長したカーボンナノチューブのFESEM写真図を図7(の右端の写真図)に示している。
Claims (2)
- 基材と、該基材上に設けられた、チタン、バナジウム、クロムのいずれか一種、もしくはこれらのいずれか一種を主成分とする合金からなる緩衝層と、から構成される基板上に、ニッケル、コバルト、鉄のいずれか一種もしくは複数の触媒金属とカーボンを提供して金属カーバイドを生成する第1のステップ、
プラズマCVD法を適用して、プラズマ分解されたカーボンを基板に提供し、該プラズマ分解されたカーボンを前記金属カーバイドを起点とし、前記基板の温度を100〜450℃の範囲として該基板上で成長させてカーボンナノチューブを製造する第2のステップからなるカーボンナノチューブの製造方法。 - 第1のステップにおける基板上の触媒金属に対するカーボンの質量比率が、0.2〜0.8の範囲に調整されている請求項1に記載のカーボンナノチューブの製造方法。
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JP6039534B2 (ja) | 2013-11-13 | 2016-12-07 | 東京エレクトロン株式会社 | カーボンナノチューブの生成方法及び配線形成方法 |
CN104609366A (zh) * | 2015-02-13 | 2015-05-13 | 武汉理工大学 | 一种新型碳-碳纳米管复合材料高深宽比微结构的制作方法 |
US9812295B1 (en) * | 2016-11-15 | 2017-11-07 | Lyten, Inc. | Microwave chemical processing |
JP7307952B2 (ja) | 2017-12-25 | 2023-07-13 | 国立大学法人東海国立大学機構 | カーボンナノシートとその製造方法 |
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WO2004087570A1 (ja) * | 2003-03-31 | 2004-10-14 | Fujitsu Limited | カーボンナノチューブ製造方法 |
WO2006064760A1 (ja) * | 2004-12-13 | 2006-06-22 | Nikkiso Co., Ltd. | 単層カーボンナノチューブの製造方法 |
JP5028606B2 (ja) * | 2006-01-11 | 2012-09-19 | 国立大学法人静岡大学 | カーボンナノチューブの製造方法および製造装置 |
JP2010254507A (ja) * | 2009-04-23 | 2010-11-11 | Fujitsu Semiconductor Ltd | 線状構造体の成長方法及び成長装置 |
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