KR100745752B1 - 탄소나노튜브의 탄화질 불순물의 정제방법 - Google Patents
탄소나노튜브의 탄화질 불순물의 정제방법 Download PDFInfo
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- KR100745752B1 KR100745752B1 KR1020050056228A KR20050056228A KR100745752B1 KR 100745752 B1 KR100745752 B1 KR 100745752B1 KR 1020050056228 A KR1020050056228 A KR 1020050056228A KR 20050056228 A KR20050056228 A KR 20050056228A KR 100745752 B1 KR100745752 B1 KR 100745752B1
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- Prior art keywords
- carbon nanotubes
- sulfur
- carbon
- cnt
- impurities
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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
- C01B32/168—After-treatment
- C01B32/17—Purification
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/30—Cold cathodes
- H01J2201/304—Field emission cathodes
- H01J2201/30446—Field emission cathodes characterised by the emitter material
- H01J2201/30453—Carbon types
- H01J2201/30469—Carbon nanotubes (CNTs)
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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
-
- 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
- Y10S977/845—Purification or separation of fullerenes or nanotubes
Abstract
Description
Claims (17)
- 밀폐된 공간 내에 고체 상태의 황(sulfur)과 탄소나노튜브를 마련하는 제1 단계;상기 황과 상기 탄소나노튜브에 부착된 탄소질 불순물이 황화반응하는 온도 이상으로 상기 황을 가열하는 제2 단계; 및황화반응으로 상기 탄소나노튜브에 부착된 탄소질 불순물을 제거하는 제3 단계;를 포함하며,상기 가열단계는, 상기 밀폐된 공간을 대략 300℃에서 소정 시간 동안 유지하는 것을 특징으로 하는 탄소나노튜브의 불순물 정제방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,상기 가열단계는, 상기 밀폐된 공간을 대략 300 ℃에서 30분이상 유지하는 것을 특징으로 하는 탄소나노튜브의 불순물 정제방법.
- 제 1 항에 있어서,상기 제2 단계는, 상기 가열단계 이전에 상기 밀폐된 공간의 공기를 배출시켜 진공을 형성시키는 단계;를 더 포함하는 것을 특징으로 하는 탄소나노튜브의 불순물 정제방법.
- 제 1 항에 있어서,상기 제3 단계는, 상기 황증발기체와 상기 탄소나노튜브에 부착된 탄소질 불순물이 황화 반응하여 생성한 이황화탄소(CS2)를 제거하는 단계;를 더 포함하는 것을 특징으로 하는 탄소나노튜브의 불순물 정제방법.
- 밀폐된 공간 내에 고체 상태의 황(sulfur)과 탄소나노튜브가 집적된 디바이스를 마련하는 제1 단계;상기 황과 상기 탄소나노튜브에 부착된 탄소질 불순물이 황화반응하는 온도 이상으로 가열하는 제2 단계; 및황화반응으로 상기 탄소나노튜브의 표면에 부착된 탄소질 불순물을 제거하는 제3 단계;를 포함하며,상기 가열단계는, 상기 밀폐된 공간을 대략 300 ℃에서 소정 시간 동안 유지하는 것을 특징으로 하는 탄소나노튜브의 불순물 정제방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 9 항에 있어서,상기 가열단계는, 상기 밀폐된 공간을 대략 300℃에서 30분이상 유지하는 것을 특징으로 하는 탄소나노튜브의 불순물 정제방법.
- 제 9 항에 있어서,상기 제2 단계는, 상기 가열단계 이전에 상기 밀폐된 공간의 공기를 배출시켜 진공을 형성시키는 단계;를 더 포함하는 것을 특징으로 하는 탄소나노튜브의 불순물 정제방법.
- 제 9 항에 있어서,상기 제3 단계는, 상기 황증발기체와 상기 탄소나노튜브에 부착된 탄소질 불순물이 황화 반응하여 생성한 이황화탄소(CS2)를 제거하는 단계;를 더 포함하는 것을 특징으로 하는 탄소나노튜브의 불순물 정제방법.
- 삭제
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050056228A KR100745752B1 (ko) | 2005-06-28 | 2005-06-28 | 탄소나노튜브의 탄화질 불순물의 정제방법 |
CNA2006100071356A CN1891624A (zh) | 2005-06-28 | 2006-02-09 | 纯化碳纳米管中的碳质杂质的方法 |
US11/370,995 US7604790B2 (en) | 2005-06-28 | 2006-03-09 | Method of removing carbonaceous impurities in carbon nanotubes |
JP2006148557A JP5052820B2 (ja) | 2005-06-28 | 2006-05-29 | 炭素ナノチューブの炭素質不純物の除去方法 |
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KR1020050056228A KR100745752B1 (ko) | 2005-06-28 | 2005-06-28 | 탄소나노튜브의 탄화질 불순물의 정제방법 |
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KR1020070045511A Division KR20070065277A (ko) | 2007-05-10 | 2007-05-10 | 탄소나노튜브의 탄화질 불순물의 정제방법 |
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KR100745752B1 true KR100745752B1 (ko) | 2007-08-02 |
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US (1) | US7604790B2 (ko) |
JP (1) | JP5052820B2 (ko) |
KR (1) | KR100745752B1 (ko) |
CN (1) | CN1891624A (ko) |
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EP1333366A4 (en) * | 2000-11-06 | 2007-03-14 | Nissha Printing | TOUCH-SENSITIVE PANEL SUITABLE FOR CONTINUOUS INPUT |
FR2966815B1 (fr) | 2010-10-28 | 2013-05-31 | Centre Nat Rech Scient | Methode de purification de nanotubes de carbone |
CN110228804A (zh) * | 2019-07-19 | 2019-09-13 | 陕西延长石油(集团)有限责任公司 | 一种碳纳米管硫改性及提纯一体化方法 |
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KR20030046858A (ko) * | 2001-12-06 | 2003-06-18 | 한윤봉 | 액상-기상 혼합정제법을 이용한 단중벽 탄소나노튜브의고수율 정제 |
JP2004059326A (ja) | 2002-07-24 | 2004-02-26 | Matsushita Electric Ind Co Ltd | カーボンナノチューブの製造方法 |
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US4011303A (en) * | 1975-01-14 | 1977-03-08 | William H. Sayler | Process for desulfurizing sulfur-bearing coke |
US5641466A (en) * | 1993-06-03 | 1997-06-24 | Nec Corporation | Method of purifying carbon nanotubes |
CN1101335C (zh) * | 1999-06-16 | 2003-02-12 | 中国科学院金属研究所 | 一种大量制备单壁纳米碳管的氢弧放电方法 |
US7090819B2 (en) * | 2001-02-12 | 2006-08-15 | William Marsh Rice University | Gas-phase process for purifying single-wall carbon nanotubes and compositions thereof |
US6752977B2 (en) * | 2001-02-12 | 2004-06-22 | William Marsh Rice University | Process for purifying single-wall carbon nanotubes and compositions thereof |
US6923915B2 (en) * | 2001-08-30 | 2005-08-02 | Tda Research, Inc. | Process for the removal of impurities from combustion fullerenes |
US7250148B2 (en) * | 2002-07-31 | 2007-07-31 | Carbon Nanotechnologies, Inc. | Method for making single-wall carbon nanotubes using supported catalysts |
EP1394115B1 (en) * | 2002-08-24 | 2009-10-21 | Haldor Topsoe A/S | Rhenium (iv) sulphide nanotube material and method of preparation |
KR100937085B1 (ko) * | 2002-10-26 | 2010-01-15 | 삼성전자주식회사 | 화학적 자기조립 방법을 이용한 탄소나노튜브 적층 및패턴 형성 방법 |
KR100806509B1 (ko) | 2002-12-28 | 2008-02-21 | 주식회사 팬택앤큐리텔 | 상시 시간을 표시하는 단말기 및 표시 방법 |
JP2004292231A (ja) * | 2003-03-26 | 2004-10-21 | Canon Inc | ナノカーボン材料の製造方法 |
EP1786958B1 (en) * | 2004-07-23 | 2014-04-30 | Showa Denko K.K. | Production method of vapor-grown carbon fiber and apparatus therefor |
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KR20030046858A (ko) * | 2001-12-06 | 2003-06-18 | 한윤봉 | 액상-기상 혼합정제법을 이용한 단중벽 탄소나노튜브의고수율 정제 |
JP2004059326A (ja) | 2002-07-24 | 2004-02-26 | Matsushita Electric Ind Co Ltd | カーボンナノチューブの製造方法 |
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US20090226360A1 (en) | 2009-09-10 |
KR20070000683A (ko) | 2007-01-03 |
US7604790B2 (en) | 2009-10-20 |
JP2007008803A (ja) | 2007-01-18 |
CN1891624A (zh) | 2007-01-10 |
JP5052820B2 (ja) | 2012-10-17 |
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