JP4546428B2 - カーボンナノチューブのマトリックスの製造方法 - Google Patents
カーボンナノチューブのマトリックスの製造方法 Download PDFInfo
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- JP4546428B2 JP4546428B2 JP2006198687A JP2006198687A JP4546428B2 JP 4546428 B2 JP4546428 B2 JP 4546428B2 JP 2006198687 A JP2006198687 A JP 2006198687A JP 2006198687 A JP2006198687 A JP 2006198687A JP 4546428 B2 JP4546428 B2 JP 4546428B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/158—Carbon nanotubes
- C01B32/16—Preparation
- C01B32/162—Preparation characterised by catalysts
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2202/00—Structure or properties of carbon nanotubes
- C01B2202/08—Aligned nanotubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/84—Manufacture, treatment, or detection of nanostructure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/84—Manufacture, treatment, or detection of nanostructure
- Y10S977/842—Manufacture, treatment, or detection of nanostructure for carbon nanotubes or fullerenes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/84—Manufacture, treatment, or detection of nanostructure
- Y10S977/842—Manufacture, treatment, or detection of nanostructure for carbon nanotubes or fullerenes
- Y10S977/843—Gas phase catalytic growth, i.e. chemical vapor deposition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/84—Manufacture, treatment, or detection of nanostructure
- Y10S977/842—Manufacture, treatment, or detection of nanostructure for carbon nanotubes or fullerenes
- Y10S977/844—Growth by vaporization or dissociation of carbon source using a high-energy heat source, e.g. electric arc, laser, plasma, e-beam
Description
「Self−Oriented Regular Arrays of Carbon Nanotubes and Their Field Emission Properties」、Shoushan Fan著、「Science」、第283巻、第512−514頁 、1999年 「Synthesis of Large Arrays of Well−Aligned Carbon Nanotubes on Glass」、Z.F.Ren著、「Science」第282巻、第1105−1107頁、1998年 「Organized Assembly of Carbon Nanotubes」、B.Q.Wei著、「Nature」第416巻、第495−496頁、2002年 「Lateral Growth of Aligned Multiwalled Carbon Nanotubes under Electric Field」、Yoon−Taek Jang著、「Solid State Communications」、第126巻、第305−308頁、2003年 「Control of Growth Orientation for Carbon Nanotubes」、Ki−Hong Lee著、「Applied Physics Letters」、第79巻、第1701号、2001年
以下、図1乃至図6を参照して、本発明の実施例1に係るカーボンナノチューブのマトリックスの成長方法について説明する。
図7及び8に示すように、基材70を準備する。この基材70はシリコン、ガラス、金属などのうちいずれか一種から成るものである。前記基材70の中心の場所にマスク80を設置する。前記マスク80は厚膜フォトレジスト、又は犠牲層に形成された金属又は金属の酸化物、金属の窒化物などのうちいずれか一種である。前記マスク80の上方に、線形の触媒スパッタ装置60を配置する。前記マスク80はある程度の厚さが形成され、前記触媒スパッタ装置60の一部を遮るように構成される。前記マスク80は立方体、長方体、円柱体などのいずれかに形成されてもよいが、本実施例では長方体に形成される。前記マスク80は所定の厚さを有し、前記触媒スパッタ装置60の一部を遮るので、前記触媒スパッタ装置60から飛びした触媒は前記マスク80で遮られ前記基材70の一端に堆積し、前記マスク80から離れる方向に沿って、次第に厚くなる台形の触媒膜90が形成される。前記触媒はFe、Co、Ni又はそれらの合金のうちいずれか一種であってもよい。
10,70 基材
20,60 触媒スパッタ装置
30,90 触媒膜
32、92 最良の成長区域
33,34,93,94,95,96 触媒領域
33’,34’,93’,94’,95’,96’ 粒子形状の触媒酸化物のマトリックス
33”,34”,93”,94”,95”,96” 粒子形状の触媒マトリックス
40,80 マスク
42 側面
50,51,100,101,102,103 カーボンナノチューブのマトリックス
Claims (4)
- マスクを有する基材を準備し、前記マスクが前記基材に垂直な側面を有する段階と、
前記マスクの一部を遮るように前記基材の上方に触媒スパッタ装置を設置し、前記触媒スパッタ装置から飛び出した触媒が前記基材に堆積されて触媒膜が形成される段階と、
前記マスクを除去して、前記触媒膜の最良の成長区域を測定する段階と、
前記触媒膜が形成された前記基材に焼鈍しをする段階と、
炭素を含むガスを導入し、前記最良の成長区域から離れて異なる方向に向けて湾曲するようにカーボンナノチューブのマトリックスを前記触媒膜に成長させる段階と、
を含み、
前記触媒スパッタ装置と前記基材との離間距離は、前記触媒スパッタ装置からの触媒原子の平均自由行程の十倍より大きくするように、前記触媒スパッタ装置を前記基材の上方に設置し、
前記マスクの厚さは、前記触媒スパッタ装置から飛び出した触媒の原子の平均自由行程より小さく設定され、
前記触媒の原子の平均自由行程Sは次式を満足し、
前記触媒膜の厚さT(λ)は次式を満足し、
- 前記基材に焼鈍しをする前に、前記基材に形成された触媒膜は、前記マスクに近い端部から前記マスクから遠い端部まで次第に厚くなる台形の形状に形成され、前記台形の触媒膜のある厚さは前記最良の成長区域の厚さに接近することを特徴とする、請求項1に記載のカーボンナノチューブのマトリックスの成長方法。
- 前記マスクは厚膜フォトレジスト、犠牲層に形成された金属又は金属の酸化物、金属の窒化物のいずれか一種であることを特徴とする、請求項1に記載のカーボンナノチューブのマトリックスの成長方法。
- 前記触媒膜の最良の成長区域を測定する段階は、マスクを有する基材に触媒を堆積させて次第に厚くなる触媒膜を形成する段階と、前記触媒膜にカーボンナノチューブのマトリックスを成長させる段階と、前記カーボンナノチューブのマトリックスにおける最高のカーボンナノチューブの成長位置を前記触媒膜の最良の成長区域として測定する段階と、含むことを特徴とする、請求項1に記載のカーボンナノチューブのマトリックスの成長方法。
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CN101290857B (zh) * | 2007-04-20 | 2011-06-22 | 清华大学 | 场发射阴极及其制备方法 |
JP5052954B2 (ja) * | 2007-05-09 | 2012-10-17 | 株式会社アルバック | Cnt成長方法 |
US8795772B2 (en) * | 2008-01-24 | 2014-08-05 | Nano-Electronic And Photonic Devices And Circuits, Llc | Method of forming nano-pads of catalytic metal for growth of single walled carbon nanotubes |
JP5245499B2 (ja) * | 2008-04-01 | 2013-07-24 | ミツミ電機株式会社 | カーボンナノチューブの製造方法 |
FR2952631B1 (fr) * | 2009-11-13 | 2012-01-13 | Commissariat Energie Atomique | Procede d'elaboration de nanotubes de carbone sur un substrat |
CN101880035A (zh) | 2010-06-29 | 2010-11-10 | 清华大学 | 碳纳米管结构 |
CN102602159A (zh) * | 2011-01-24 | 2012-07-25 | 山东新北洋信息技术股份有限公司 | 一种薄膜型热敏打印头及其制造方法 |
WO2014189895A1 (en) * | 2013-05-20 | 2014-11-27 | Advantech Global, Ltd | Small feature size fabrication using a shadow mask deposition process |
CN111909666A (zh) * | 2020-08-12 | 2020-11-10 | 杭州英希捷科技有限责任公司 | 基于垂向碳纳米管阵列的非转移式热界面材料及其方法 |
CN113046719B (zh) * | 2021-03-16 | 2023-04-18 | 江苏集萃脑机融合智能技术研究所有限公司 | 确定二维材料生长合金催化剂中金属原子最佳配比的方法 |
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JP2004181620A (ja) * | 2002-12-05 | 2004-07-02 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | 炭素ナノチューブのマトリックス構造及びその製造方法 |
JP2004292302A (ja) * | 2003-03-25 | 2004-10-21 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | 炭素ナノチューブのマトリックス構造及びその製造方法 |
JP2006052122A (ja) * | 2004-08-11 | 2006-02-23 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | 炭素ナノチューブのマトリックス構造及びその製造方法 |
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US6297592B1 (en) * | 2000-08-04 | 2001-10-02 | Lucent Technologies Inc. | Microwave vacuum tube device employing grid-modulated cold cathode source having nanotube emitters |
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CN1286715C (zh) * | 2002-12-21 | 2006-11-29 | 清华大学 | 一种碳纳米管阵列结构及其生长方法 |
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JP2004181620A (ja) * | 2002-12-05 | 2004-07-02 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | 炭素ナノチューブのマトリックス構造及びその製造方法 |
JP2004292302A (ja) * | 2003-03-25 | 2004-10-21 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | 炭素ナノチューブのマトリックス構造及びその製造方法 |
JP2006052122A (ja) * | 2004-08-11 | 2006-02-23 | Kofukin Seimitsu Kogyo (Shenzhen) Yugenkoshi | 炭素ナノチューブのマトリックス構造及びその製造方法 |
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CN100436311C (zh) | 2008-11-26 |
US20100193350A1 (en) | 2010-08-05 |
US7781017B1 (en) | 2010-08-24 |
JP2007031271A (ja) | 2007-02-08 |
CN1899958A (zh) | 2007-01-24 |
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