KR100936281B1 - ZnO 나노입자의 제조방법 및 이를 이용한 ZnO 나노유체의 제조방법 - Google Patents
ZnO 나노입자의 제조방법 및 이를 이용한 ZnO 나노유체의 제조방법 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/02—Oxides; Hydroxides
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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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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/04—Compounds of zinc
- C09C1/043—Zinc oxide
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- C—CHEMISTRY; METALLURGY
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
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- C01P2004/00—Particle morphology
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- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
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Abstract
Description
Claims (15)
- a) 탈이온수를 가열하는 단계;b) 상기 탈이온수에 Zn염을 용해하여 전구체 용액을 제조하는 단계;c) 상기 전구체 용액에 고상의 알칼리염을 투입하여 ZnO 나노입자 분산액을 제조하는 단계; 및d) 고액분리 및 탈이온수를 통해 상기 ZnO 나노입자를 분리 세척하는 단계;를 포함하는 ZnO 나노입자의 제조방법.
- 제 1항에 있어서,상기 a) 단계, b) 단계 및 c) 단계는 각각 95 내지 100℃의 온도에서 수행되는 것을 특징으로 하는 ZnO 나노입자의 제조방법.
- 제 2항에 있어서,c) 단계의 상기 ZnO 나노입자 분산액의 pH는 7 내지 8인 것을 특징으로 하는 ZnO 나노입자의 제조방법.
- 제 3항에 있어서,상기 c) 단계에서 투입되는 알칼리염은 단일한 펠렛(pallet)인 것을 특징으로 하는 ZnO 나노입자의 제조방법.
- 제 3항에 있어서,상기 알칼리염은 하기의 관계식 1을 만족하는 펠렛(pallet)이며, 상기 c) 단계는 상기 ZnO 나노입자 분산액의 pH가 7 내지 8이 되도록 다수개의 상기 펠렛이 일시에 투입되는 것을 특징으로 하는 ZnO 나노입자의 제조방법.(관계식 1)0.002xVsol ≤ Vpall ≤ 0.004xVsol(상기 Vsol는 a) 단계의 탈이온수의 부피이며, 상기 Vpall은 펠렛의 부피이다.)
- 제 3항에 있어서,상기 b) 단계의 전구체 용액의 Zn 이온 몰농도는 200 내지 300mM인 것을 특징으로 하는 ZnO 나노입자의 제조방법.
- 제 3항에 있어서,상기 c) 단계는 교반을 동반하며, 상기 교반은 50 내지 300 rpm으로 수행되는 것을 특징으로 하는 ZnO 나노입자의 제조방법.
- 제 3항에 있어서,상기 Zn염은 염화아연이며, 상기 알칼리염은 수산화나트륨인 것을 특징으로 하는 ZnO 나노입자의 제조방법.
- 제 1항 내지 제 8항에서 선택된 어느 한 항에 의해 제조되어, 10 내지 50 nm의 평균 입자크기를 갖는 구형 Wurtzite(육방정계, 스페이스 그룹 P63mc) 결정질의 ZnO 나노입자.
- 제 1항 내지 제 8항에서 선택된 어느 한 항에 의해 제조된 ZnO 나노입자에 ZnO 나노입자가 0.1 내지 10 부피% 되도록 탈이온수 또는 에틸렌글리콜을 첨가하고 초음파 분산시키는 것을 특징으로 하는 ZnO 나노유체의 제조방법
- e) 제 1항 내지 제 8항에서 선택된 어느 한 항에 의해 제조된 ZnO 나노입자에 탈이온수를 첨가하고 pH를 9 내지 11로 조절하는 단계;f) pH가 조절된 상기 탈이온수에 친유성 분산제를 첨가하여, 상기 ZnO 나노입자에 친유성 분산제가 코팅된 친유성 ZnO 나노입자 분산액을 제조하는 단계;g) 상기 친유성 ZnO 나노입자 분산액의 pH를 3 내지 7로 재조절하여 친유성 ZnO 나노입자와 액상을 층상분리시키고, 층상분리된 친유성 ZnO 나노입자를 회수하 는 단계; 및h) 회수된 친유성 ZnO 나노입자를 극성용매 및 고액분리를 통해 세척한 후, 세척된 친유성 ZnO 나노입자에 오일(oil)을 첨가하고 초음파 분산하는 단계;를 포함하여 수행되는 ZnO 나노유체의 제조방법.
- 제 11항에 있어서,상기 f) 단계의 친유성 분산제는 탄소수가 12에서 18개인 유기지방산인 것을 특징으로 하는 ZnO 나노유체의 제조방법.
- 제 11항에 있어서,상기 f) 단계는 상기 친유성 분산제의 첨가 후 90 내지 100℃로 가열하여 상기 ZnO 나노입자에 상기 친유성 분산제를 코팅하는 것을 특징으로 하는 ZnO 나노유체의 제조방법.
- 제 11항에 있어서,상기 세척된 친유성 ZnO 나노입자의 함유량이 0.1 내지 10 부피% 되도록 상기 오일(oil)을 첨가하는 것을 특징으로 하는 ZnO 나노유체의 제조방법.
- 제 11항에 있어서,상기 오일(oil)은 등유(kerosene), 미네랄 오일(mineral oil), 트랜스포머오 일(transforme oil) 또는 이들 혼합물인 것을 특징으로 하는 ZnO 나노유체의 제조방법.
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US12/862,384 US8512672B2 (en) | 2009-08-25 | 2010-08-24 | Fabrication method of ZnO nano-particle and fabrication method of ZnO nano-fluid using thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014148830A1 (ko) * | 2013-03-20 | 2014-09-25 | Kim Hongdoo | 산화아연 전구체의 제조방법, 이로부터 수득되는 산화아연 전구체 및 산화아연 박막 |
KR101567809B1 (ko) | 2013-03-20 | 2015-11-12 | 경희대학교 산학협력단 | 산화아연 전구체의 제조방법, 이로부터 수득되는 산화아연 전구체 및 산화아연 박막 |
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US11325839B2 (en) | 2018-01-11 | 2022-05-10 | Imam Abdulrahman Bin Faisal University | Zinc oxide particle preparation and methods of use |
CN109903883A (zh) * | 2019-02-28 | 2019-06-18 | 东莞理工学院 | 一种ZnO超细纳米颗粒、ZnO浆料及制备方法和应用 |
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KR101567809B1 (ko) | 2013-03-20 | 2015-11-12 | 경희대학교 산학협력단 | 산화아연 전구체의 제조방법, 이로부터 수득되는 산화아연 전구체 및 산화아연 박막 |
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