KR101837424B1 - 작용기화된 그래핀 - Google Patents
작용기화된 그래핀 Download PDFInfo
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- KR101837424B1 KR101837424B1 KR1020127034441A KR20127034441A KR101837424B1 KR 101837424 B1 KR101837424 B1 KR 101837424B1 KR 1020127034441 A KR1020127034441 A KR 1020127034441A KR 20127034441 A KR20127034441 A KR 20127034441A KR 101837424 B1 KR101837424 B1 KR 101837424B1
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- graphene
- fluorine
- fluorinated
- fluorographene
- reaction
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Classifications
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- C—CHEMISTRY; METALLURGY
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
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Abstract
Description
도 2는 FG의 라만 시그너처를 나타낸다.
도 3은 FG의 투과전자검경 결과를 도시한 것이다.
도 4는 플루오르화로 인한 그래핀의 광학 투명성의 변화를 도시한 것이다.
도 5는 안정한 광폭-갭 2D 반도체를 나타낸다.
도 6은 FG의 기계적 성질을 도시한 것이다.
도 7은 사진(삽입그림)에 제시된 5㎛ 두께의 샘플에 대한 E의 함수로서 FG 종이의 광학 투명도를 도시한 것이다. 샘플 크기는 약 1 cm이다. 회색 영역은 입사광 세기의 0.1%인 우리의 검출 한계를 나타낸다.
도 8은 이중 층 및 극소 층 그래핀의 라만 스펙트럼을 도시한 것이다.
도 9는 다양한 수준으로 플루오르화된 뒤, 다른 T에서 어닐링된 그래핀의 라만 스펙트럼을 도시한 것이다.
도 10은 SiC 위에서 성장되고 70℃에서 XeF2에서 2개월 동안 플루오르화된 그래핀의 XPS를 도시한 것이다. 기호는 측정값(SiC 기질로부터의 탄소 시그널은 공제한다)이고, 실선 곡선은 최적 적합이다.
도 11은 FG 막의 일반적인 하중(청색 및 적색) 및 비하중(녹색) 곡선을 도시한 것이다. 팁과 막 사이의 1차 접촉은 점 A에서 일어난다.
도 12는 에너지 E의 함수로서 어닐링 전과 후의 플루오로그래핀의 광전송을 도시한 것이다. 이 도면은 에너지 E의 함수로서 초기 및 어닐링된 FG의 광전송의 변화를 도시한 것이다.
도 13은 에너지 E의 함수로서 완전 플루오르화된 그래핀 및 부분 플루오르화된 그래핀의 광투명도를 도시한 것이다. 이 도면은 완전 플루오르화된 그래핀 및 부분 플루오르화된 그래핀에 대한 에너지에 따른 광전송의 변화를 도시한 것이다.
Claims (19)
- 그래핀의 탄소 원자 중 85% 이상이 각각 하나의 플루오르 원자에 결합되어 있는, 플루오로그래핀.
- 제1항에 있어서, 상기 플루오르 원자는 그래핀 평면의 양면에 결합되어 있는 것인, 플루오로그래핀.
- 제1항 또는 제2항에 있어서, 상기 플루오로그래핀은 적어도 720 시간 동안 플루오르 원자의 상실이 없는 것에 의해 측정되는 실온 안정성이 있는 것인, 플루오로그래핀.
- 제1항 또는 제2항에 있어서, 상기 플루오로그래핀은 내부 결함 형태로 10% 미만의 결함을 보유하는 것인, 플루오로그래핀.
- 그래핀과 플루오르를 포함하고 그래핀에 결합된 플루오르의 화학량론적 양이 적어도 0.85:1인 작용기화된 그래핀 화합물을 제조하는 방법으로서,
(a) 그래핀 시트를 수득하는 단계;
(b) 그래핀 시트의 구조 무결성을 측정하고, 이 측정을 기반으로 하여 이 그래핀 시트를 단계 (c)에 사용하거나, 또는 이 그래핀 시트를 불합격 처리하고 단계 (a)를 반복하는 단계;
(c) 단계 (b)의 그래핀 시트를 반응 용기에서 상승된 온도와 압력에서 플루오르 공급원에 노출시키는 단계; 및
(d) 반응 용기로부터 플루오르그래핀을 회수하는 단계를 포함하는 방법.
- 제5항에 있어서, 반응 시간이 1시간 내지 168시간인 방법.
- 제6항에 있어서, 플루오르 공급원이 XeF2, CoF3, MnF3, CrF4, AgF, AgF2, ZnF2, HgF2, AlF3, PbF2, PbF4, SbF3, TlF, BiF5, BrF3, IF5, BrF5, IF7, AsF3, SbF5, SeF4, F2, ClF, ClF3, BF3, NF3, PF3, PF5, SiF4, SF4, SOF2, SOF4, SO2F2 및 COF2로 이루어진 그룹 중에서 선택되는 하나 이상인 방법.
- 제6항에 있어서, 플루오르의 공급원이 XeF2인 방법.
- 제5항 내지 제8항 중 어느 한 항에 있어서, 반응 시간이 1 내지 168시간인 방법.
- 제5항 내지 제8항 중 어느 한 항에 있어서, 반응 온도가 일반적으로 20 내지 450℃ 범위인 방법.
- 제5항 내지 제8항 중 어느 한 항에 있어서, 반응이 1bar 내지 150bar의 압력에서 수행되는 방법.
- 제1항 또는 제2항에 따른 플루오로그래핀 및/또는 제5항 내지 제8항 중 어느 한 항에 따른 방법에 의해 제조된 작용기화된 그래핀 화합물을 포함하는 전자 부품.
- 제1항 또는 제2항에 따른 플루오로그래핀 및/또는 제5항 내지 제8항 중 어느 한 항에 따른 방법에 의해 제조된 작용기화된 그래핀 화합물을 포함하는 광학 부품.
- 제1항 또는 제2항에 따른 플루오로그래핀 및/또는 제5항 내지 제8항 중 어느 한 항에 따른 방법에 의해 제조된 작용기화된 그래핀 화합물을 포함하는 자석 부품.
- 제1항 또는 제2항에 따른 플루오로그래핀 및/또는 제5항 내지 제8항 중 어느 한 항에 따른 방법에 의해 제조된 작용기화된 그래핀 화합물을 포함하는 코팅.
- 작용기화된 그래핀 화합물-중합체 복합재로서, 작용기화된 그래핀이 그래핀과 플루오르를 포함하고, 이 그래핀에 결합된 플루오르의 양은 그래핀 플루오르 화합물에 가능한 이론적 최대 화학량론의 25 원자% 이상이어서 플루오르 대 탄소의 비가 0.25:1 이상인, 작용기화된 그래핀 화합물-중합체 복합재.
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PCT/GB2011/051087 WO2011154748A1 (en) | 2010-06-10 | 2011-06-10 | Functionalised graphene |
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US20110068290A1 (en) | 2008-05-30 | 2011-03-24 | The Regents Of The University Of California | Chemical modulation of electronic and magnetic properties of graphene |
US20110156019A1 (en) | 2008-09-09 | 2011-06-30 | Technion Research & Development Foundation, Ltd. | Derivatized fullerene-based dopants for organic semiconductors |
US20110186786A1 (en) | 2009-07-31 | 2011-08-04 | Vorbeck Materials Corp. | Graphene Compositions |
US20120021293A1 (en) | 2007-05-08 | 2012-01-26 | Aruna Zhamu | Method of producing nano-scaled inorganic platelets |
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US20110186789A1 (en) * | 2008-05-22 | 2011-08-04 | The University Of North Carolina At Chapel Hill | Synthesis of graphene sheets and nanoparticle composites comprising same |
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US20120021293A1 (en) | 2007-05-08 | 2012-01-26 | Aruna Zhamu | Method of producing nano-scaled inorganic platelets |
US20110068290A1 (en) | 2008-05-30 | 2011-03-24 | The Regents Of The University Of California | Chemical modulation of electronic and magnetic properties of graphene |
US20110156019A1 (en) | 2008-09-09 | 2011-06-30 | Technion Research & Development Foundation, Ltd. | Derivatized fullerene-based dopants for organic semiconductors |
US20110186786A1 (en) | 2009-07-31 | 2011-08-04 | Vorbeck Materials Corp. | Graphene Compositions |
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KR20230007029A (ko) | 2021-07-05 | 2023-01-12 | 강성진 | 소수성 불소화 그래핀, 불소화 그래핀 표면보호용 코팅제 및 이의 제조방법 |
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WO2011154748A1 (en) | 2011-12-15 |
JP2013529176A (ja) | 2013-07-18 |
EP2580158B1 (en) | 2018-09-19 |
EP2580158A1 (en) | 2013-04-17 |
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CN103003197B (zh) | 2015-06-17 |
KR20130133123A (ko) | 2013-12-06 |
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