KR101448078B1 - 그래핀 적층체의 제조 방법 및 그에 의한 그래핀 적층체 - Google Patents
그래핀 적층체의 제조 방법 및 그에 의한 그래핀 적층체 Download PDFInfo
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- KR101448078B1 KR101448078B1 KR1020130012066A KR20130012066A KR101448078B1 KR 101448078 B1 KR101448078 B1 KR 101448078B1 KR 1020130012066 A KR1020130012066 A KR 1020130012066A KR 20130012066 A KR20130012066 A KR 20130012066A KR 101448078 B1 KR101448078 B1 KR 101448078B1
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- 238000000034 method Methods 0.000 title claims abstract description 47
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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
- C01B32/182—Graphene
- C01B32/184—Preparation
- C01B32/186—Preparation by chemical vapour deposition [CVD]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/02—Single layer graphene
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/04—Specific amount of layers or specific thickness
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Nanotechnology (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
도 2 는 본원의 일 실시예에 따른 Cu 호일 상에 성장된 단층의 그래핀의 SEM 사진이다.
도 3 은 본원의 일 실시예에 따라 성장된 그래핀 적층체의 라만 스펙트럼이다.
도 4 는 본원의 일 실시예에 따라 성장된 그래핀 적층체의 SEM 이미지이다.
도 5 는 본원의 일 실시예에 따른 PMMA를 수소 어닐링하여 그래핀층으로 성장시킨 단일 그래핀 층의 라만 스펙트럼(a)과 2층의 그래핀의 라만 스펙트럼(b)이다.
20: 제 1 그래핀 층
30: 비정질 탄소-함유 층
40: 제 2 그래핀 층
50: 보호층
60: 목적 기재
Claims (13)
- 금속촉매 층 상에 제 1 그래핀 층을 형성하는 단계;
상기 제 1 그래핀 층 상에 비정질 탄소-함유 층을 형성하는 단계; 및
상기 비정질 탄소-함유 층을 환원 분위기에서 어닐링(annealing)하여 제 2 그래핀 층을 형성함으로써 그래핀 적층체를 형성하는 단계
를 포함하는, 그래핀 적층체의 제조 방법.
- 제 1 항에 있어서,
상기 금속촉매 층은 Ni, Co, Fe, Pt, Au, Al, Cr, Cu, Mg, Mn, Mo, Rh, Si, Ta, Ti, W, U, V, Zr, Ge, Ru, Ir 및 이들의 조합들로 이루어진 군에서 선택되는 것을 포함하는 것인, 그래핀 적층체의 제조 방법.
- 제 1 항에 있어서,
상기 제 1 그래핀 층은 화학 기상 증착 방법에 의해 형성되는 것인, 그래핀 적층체의 제조 방법.
- 제 3 항에 있어서,
상기 제 1 그래핀 층은 일산화탄소, 메탄, 에탄, 에틸렌, 에탄올, 아세틸렌, 프로판, 프로필렌, 부탄, 부타디엔, 펜탄, 펜텐, 사이클로펜타디엔, 헥산, 사이클로헥산, 벤젠, 톨루엔 및 이들의 조합들로 이루어진 군에서 선택되는 탄소 공급원을 사용하여 화학 기상 증착 방법에 의하여 형성되는 것인, 그래핀 적층체의 제조 방법.
- 제 1 항에 있어서,
상기 비정질 탄소-함유 층은 유기 폴리머를 포함하는 것인, 그래핀 적층체의 제조 방법.
- 제 5 항에 있어서,
상기 유기 폴리머는 PMMA(polymethylmethacrylate), 슈크로즈(sucrose), 플루오렌(fluorene) 및 이들의 조합들로 이루어진 군에서 선택되는 것을 포함하는 것인, 그래핀 적층체의 제조 방법.
- 제 1 항에 있어서,
상기 비정질 탄소-함유 층은 스핀 코팅(spin coating), 슬릿 코팅(slit coating), 딥핑 코팅(dipping coating), 플로우 코팅(flow coating), 스프레이 코팅(spray coating), 액정 도포(droplet dispensing), 또는 랭뮤어-브로젯(Langmuir-Blodgett) 코팅 방법에 의하여 형성되는 것인, 그래핀 적층체의 제조 방법.
- 제 1 항에 있어서,
상기 어닐링은 가열 또는 플라즈마 에너지 조사에 의하여 수행되는 것인, 그래핀 적층체의 제조 방법.
- 제 1 항에 있어서,
상기 어닐링은 500℃ 내지 1,100℃ 온도 범위에서 수행되는 것인, 그래핀 적층체의 제조 방법.
- 제 1 항에 있어서,
상기 환원 분위기는 수소 기체, 질소 기체, 아르곤 기체 및 이들의 조합들로 이루어진 군에서 선택되는 기체를 포함하는 것인, 그래핀 적층체의 제조 방법.
- 제 1 항에 있어서,
상기 그래핀 적층체를 형성하는 단계 이후, 상기 금속촉매 층을 제거함으로써 상기 그래핀 적층체를 분리하는 단계를 추가 포함하는, 그래핀 적층체의 제조 방법.
- 제 1 항에 있어서,
상기 그래핀 적층체 상에 비정질 탄소-함유 층을 형성하고 상기 비정질 탄소-함유 층을 환원 분위기에서 어닐링(annealing)하여 추가 그래핀 층을 형성하는 것을 1회 이상 수행하는 것을 더 포함하는, 그래핀 적층체의 제조 방법.
- 제 1 항에 있어서,
상기 제 1 그래핀 층은 단층 그래핀을 포함하는 것인, 그래핀 적층체의 제조 방법.
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