KR100867281B1 - 크기분리 과정 없이 균일하고 결정성이 우수한 금속,합금, 금속 산화물, 및 복합금속 산화물 나노입자를제조하는 방법 - Google Patents
크기분리 과정 없이 균일하고 결정성이 우수한 금속,합금, 금속 산화물, 및 복합금속 산화물 나노입자를제조하는 방법 Download PDFInfo
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Abstract
Description
Claims (22)
- (A) 금속 전구체와 계면활성제를 용매 안에서 반응시켜 계면활성제와 금속이 결합한 금속-계면활성제 착화합물을 제조하는 단계,(B) 상기 금속-계면활성제 착화합물을 열분해하여 균일한 금속 나노입자를 형성하는 단계, 및(C) 상기 형성된 금속 나노입자를 회수하는 단계를 포함하는 나노입자의 제조방법.
- (A) 금속 전구체와 계면활성제를 용매 안에서 반응시켜 계면활성제와 금속이 결합한 금속-계면활성제 착화합물을 제조하는 단계,(B) 상기 금속-계면활성제 착화합물을 열분해하여 균일한 금속 나노입자를 형성하는 단계,(C) 상기에서 얻은 금속 나노입자를 다시 용매에 분산한 후 산화제를 첨가하여 산화시킴으로써 금속 산화물 나노입자를 형성하는 단계, 및(D) 상기 형성된 금속산화물 나노입자를 회수하는 단계를 더 포함하는 나노입자의 제조방법.
- 제1항 또는 제2항에 있어서,상기 금속 전구체는 철(Fe), 코발트(Co), 니켈(Ni), 크롬(Cr), 망간(Mn), 바륨(Ba), 스트론튬(Sr), 티탄(Ti), 지르코늄(Zr), 백금(Pt), 및 팔라듐(Pd)으로 구성되는 그룹으로부터 선택되는 금속과 -CO, -NO, -C5H5, 및 알콕사이드(alkoxide)로 구성되는 그룹으로부터 선택되는 상기 금속에 결합되는 리간드로 구성되는 금속화합물 또는 상기 금속이온을 포함하는 금속염이며, 상기 금속 전구체는 한 종류 이상의 상기 금속화합물 또는 금속염으로 구성되는 것을 특징으로 하는 나노입자의 제조방법.
- 제1항 또는 제2항에 있어서,금속 전구체는 아이언펜타카르보닐 (iron pentacarbonyl, Fe(CO)5), 페로센 (ferrocene), 코발트트라이카르보닐나이트로실(Co(CO)3(NO)), 시클로트펜타디엔닐코발트트라이카르보닐(Co(CO)3(C5H5)), 디코발트옥타카르보닐(Co2(CO) 8), 크롬카르보닐(Cr(CO)6), 니켈카르보닐(Ni(CO)4), 망간카르보닐(Mn2(CO) 10), 철 아세틸아세토네이트 (Fe(acac)3), 코발트 아세틸아세토네이트 (Co(acac)3), 바륨 아세틸아세토네이트(Ba(acac)2), 스트론튬 아세틸아세토네이트(Sr(acac)2), 백금 아세틸아세토네이트(Pt(acac)2), 팔라듐 아세틸아세토네이트(Pd(acac)2), 티탄 테트라이소프록폭사이드(Ti(O-i-C3H7)4), 지르코늄 테트라부톡사이드 (Zr(O-C4 H9)4, 삼클로로화철 (FeCl3), 이클로로화철 (FeCl2), 철 나이트레이트 (Fe(NO3)3), 황화철 (FeSO4), 삼클로로화코발트 (CoCl3), 이클로로화코발트 (CoCl2), 코발트 나이트레이트 (Co(NO3 )3), 황화니켈 (NiSO4), 클로로화니켈 (NiCl2), 니켈 나이트레이트 (Ni(NO3) 2), 티탄 테트 라클롤라이드(TiCl4), 지르코늄 테트라클롤라이드(ZrCl4), 백금 클로로산(H2PtCl 6), 팔라듐 클로로산(H2PdCl6), 바륨 클로라이드(BaCl2), 황화바륨(BaSO4 ), 스트론튬 클로라이드(BaCl2), 및 황화스트론튬(BaSO4)으로 구성되는 그룹으로부터 선택되는 하나 이상의 금속화합물 또는 금속염인 것을 특징으로 하는 나노입자의 제조방법.
- 제1항 또는 제2항에 있어서,상기 계면활성제는 양이온 계면활성제로서 알킬 트라이메틸암모늄 할라이드(alkyl trimethylammonium halide), 중성 계면활성제로서, 올레산 (oleic acid), 트리옥틸포스핀 옥사이드(trioctylphosphine oxide: TOPO), 트리옥틸포스핀(trioctylphosphine: TOP), 트리부틸포스핀(tributylphosphine)과 올레익아민(oleic amine), 트리옥틸아민(trioctylamine), 옥틸아민(octylamine)의 알킬아민(alkyl amine), 및 알킬티올(alkyl thiol), 그리고 음이온 계면활성제로서, 소디움 알킬 설페이트 (sodium alkyl sulfate), 및 소디움 알킬 포스페이트 (sodium alkyl phosphate)으로 이루어진 그룹으로부터 선택되는 최소한 하나이며, 2 종류 이상의 상기 계면활성제가 사용되는 경우, 함께 또는 순차적으로 사용되는 것을 특징으로 하는 나노입자의 제조방법.
- 제1항 또는 제2항에 있어서상기 사용되는 용매는 에테르계 화합물로서, 옥틸 에테르(octyl ether), 부 틸 에테르(butyl ether), 헥실 에테르(hexyl ether), 및 데실 에테르(decyl ether), 헤테로고리화합물로서, 피리딘 및 테트라하이드로퓨란(THF), 방향족화합물로서, 톨루엔, 자일렌, 메시틸렌, 및 벤젠, 디메틸술폭사이드(DMSO), 디메틸포름아마이드(DMF), 알코올류로서, 옥틸알코올, 및 데칸올, 탄화수소로서, 펜탄, 헥산, 헵탄, 옥탄, 데칸, 도데칸, 테트라데칸, 및 헥사데칸, 그리고 물로 구성되는 그룹으로부터 선택되는 최소한 하나 인 것을 특징으로 하는 나노입자의 제조방법.
- 제2항에 있어서,상기 사용하는 산화제로는 아민엔옥사이드(amine-N-oxide)로서, 피리딘엔옥사이드(pyridine-N-oxide), 및 트리메틸아민엔옥사이드, 과산화수소수, 산소를 사용하는 것을 특징으로 하는 나노입자의 제조방법.
- 제1항에 있어서,상기 금속-계면활성제 착화합물 형성 단계는 상기 금속전구체를 상기 계면활성제가 들어 있는 용액에 30 ~ 200℃에 주입하여 반응시킴으로써 수행되는 것을 특징으로 하는 나노입자의 제조방법.
- 제1항에 있어서,상기 금속 나노입자를 형성하는 단계는 상기 금속-계면활성화제 착화합물을 50 내지 500℃의 온도에서 열분해함으로써 수행되는 것을 특징으로 하는 나노입자 의 제조방법.
- 제1항에 있어서,상기 금속 나노입자를 회수하는 단계는 상기 금속 나노입자가 분산되어 있는 용액을 원심분리하거나 다른 용매를 첨가하여 상기 금속 나노입자를 침전시킴으로써 수행되는 것을 특징으로 하는 나노입자의 제조방법.
- 제2항에 있어서,상기 금속산화물 나노입자 형성 단계는 상기 금속 나노입자를 용매에 분산하고 -100 ~ 200℃에서 상기 산화제를 첨가한 후, 가열하여 용액의 온도를 30 내지 500℃로 올리고 그 온도에서 1분 ~ 24 시간 가열함으로써 수행되는 것을 특징으로 하는 나노입자의 제조방법.
- 제1항에 있어서,상기 금속전구체와 계면활성제의 몰비는 1:0.1 내지 1:100의 범위 인 것을 특징으로 하는 나노입자의 제조방법.
- 제2항에 있어서,상기 금속나노입자와 산화제의 몰비는 1:0.1 내지 1:100의 범위 인 것을 특징으로 하는 나노입자의 제조방법.
- 제9항에 있어서,상기 온도까지의 승온속도는 1 ℃/min 내지 20 ℃/min의 범위인 것을 특징으로 하는 나노입자의 제조방법.
- 제11항에 있어서,상기 온도까지의 승온속도는 1 ℃/min 내지 20 ℃/min의 범위인 것을 특징으로 하는 나노입자의 제조방법.
- (A) 금속 전구체, 산화제, 계면활성제를 같이 용매 내에 주입한 후 가열하여 금속산화물 나노입자를 형성하는 단계, 및(B) 상기에서 형성된 금속산화물 나노입자를 회수하는 단계를 포함하는 금속 산화물 나노입자의 제조방법.
- 제16항에 있어서,상기 금속산화물 나노입자의 형성 단계는 가열하여 용액을 온도를 30 내지 500℃로 올리고 그 온도에서 1분 ~ 24 시간 가열함으로써 수행되는 것을 특징으로 하는 금속산화물 나노입자의 제조방법.
- 제2항, 제7항, 제11항, 제13항 또는 제15항 내지 제17항 중 어느 한 항에 의하여 얻은 금속산화물 나노입자의 자기조립에 의한 초격자 구조를 가지는 자기저장매체.
- 제3항에 의하여 얻은 금속산화물 나노입자의 자기조립에 의한 초격자 구조를 가지는 자기저장매체.
- 제4항에 의하여 얻은 금속산화물 나노입자의 자기조립에 의한 초격자 구조를 가지는 자기저장매체.
- 제5항에 의하여 얻은 금속산화물 나노입자의 자기조립에 의한 초격자 구조를 가지는 자기저장매체.
- 제6항에 의하여 얻은 금속산화물 나노입자의 자기조립에 의한 초격자 구조를 가지는 자기저장매체.
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KR1020010063077A KR100867281B1 (ko) | 2001-10-12 | 2001-10-12 | 크기분리 과정 없이 균일하고 결정성이 우수한 금속,합금, 금속 산화물, 및 복합금속 산화물 나노입자를제조하는 방법 |
US10/490,745 US7407527B2 (en) | 2001-10-12 | 2002-01-22 | Synthesis of mono-disperse and highly crystalline nano-particles of metals, alloys, metal-oxides, and multi-metallic oxides without a size-selection process |
EP09010256.7A EP2127788B1 (en) | 2001-10-12 | 2002-01-22 | Synthesis of mono-disperse and highly-crystalline nano-particles of metals, alloys, metal oxides, and multi-metallic oxides without a size-selection process |
JP2003534313A JP4290006B2 (ja) | 2001-10-12 | 2002-01-22 | サイズ選別過程なしで単分散で結晶性に優れた金属、合金、金属酸化物、及び複合金属酸化物のナノ粒子を製造する方法 |
EP02716478A EP1441977B1 (en) | 2001-10-12 | 2002-01-22 | Synthesis of mono-disperse and highly-crystalline nano-particles of metals, alloys, metal oxides, and multi-metallic oxides without a size-selection process |
ES02716478T ES2331232T3 (es) | 2001-10-12 | 2002-01-22 | Sintesis de nanoparticulas monodispersas y altamente cristalinas de metales, aleaciones, oxidos metalicos y oxidos multimetalicos sin un proceso de seleccion de tamaño. |
PCT/KR2002/000101 WO2003031323A1 (en) | 2001-10-12 | 2002-01-22 | Synthesis of mono-disperse and highly-crystalline nano-particles of metals, alloys, metal oxides, and multi-metallic oxides without a size-selection process |
AT02716478T ATE439203T1 (de) | 2001-10-12 | 2002-01-22 | Synthese aus monodispersen und hochkristallinen nanoteilchen aus metallen, legierungen, metalloxiden und mehrmetalloxiden ohne einen grössenauswahlprozess |
DE60233341T DE60233341D1 (de) | 2001-10-12 | 2002-01-22 | Synthese aus monodispersen und hochkristallinen nanoteilchen aus metallen, legierungen, metalloxidenzess |
CN028201744A CN1568285B (zh) | 2001-10-12 | 2002-01-22 | 无须尺寸选择处理的金属、合金、金属氧化物和多金属氧化物的单分散高度结晶纳米粒子的合成法 |
JP2008013539A JP4792050B2 (ja) | 2001-10-12 | 2008-01-24 | 金属酸化物ナノ粒子の直接合成方法 |
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US20040247503A1 (en) | 2004-12-09 |
JP4792050B2 (ja) | 2011-10-12 |
US7407527B2 (en) | 2008-08-05 |
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ES2331232T3 (es) | 2009-12-28 |
EP2127788A2 (en) | 2009-12-02 |
JP4290006B2 (ja) | 2009-07-01 |
EP1441977A1 (en) | 2004-08-04 |
EP1441977A4 (en) | 2007-03-14 |
EP1441977B1 (en) | 2009-08-12 |
JP2008169110A (ja) | 2008-07-24 |
ATE439203T1 (de) | 2009-08-15 |
JP2005504888A (ja) | 2005-02-17 |
EP2127788A3 (en) | 2010-03-17 |
CN1568285A (zh) | 2005-01-19 |
WO2003031323A1 (en) | 2003-04-17 |
DE60233341D1 (de) | 2009-09-24 |
EP2127788B1 (en) | 2014-11-19 |
CN1568285B (zh) | 2010-04-28 |
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