WO2010050430A1 - Procédé de fabrication de particules de zno colonnaires et particules de zno colonnaires obtenues en l’utilisant - Google Patents

Procédé de fabrication de particules de zno colonnaires et particules de zno colonnaires obtenues en l’utilisant Download PDF

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Publication number
WO2010050430A1
WO2010050430A1 PCT/JP2009/068329 JP2009068329W WO2010050430A1 WO 2010050430 A1 WO2010050430 A1 WO 2010050430A1 JP 2009068329 W JP2009068329 W JP 2009068329W WO 2010050430 A1 WO2010050430 A1 WO 2010050430A1
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columnar
zno
compound
zno particles
plate
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PCT/JP2009/068329
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English (en)
Japanese (ja)
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正督 藤
実 高橋
秀夫 渡辺
誠司 山下
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国立大学法人名古屋工業大学
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Priority to JP2010535778A priority Critical patent/JP5641225B2/ja
Publication of WO2010050430A1 publication Critical patent/WO2010050430A1/fr

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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G9/00Compounds of zinc
    • C01G9/02Oxides; Hydroxides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/70Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/10Particle morphology extending in one dimension, e.g. needle-like
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/20Particle morphology extending in two dimensions, e.g. plate-like
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/50Agglomerated particles

Definitions

  • the present invention relates to a method for producing columnar ZnO particles using a plate-like Zn compound as a starting material, and substantially columnar and columnar ZnO particles having alignment properties obtained thereby.
  • nano-sized or micro-sized ZnO (zinc oxide) particles in various forms such as nanowires, nanorods, nanobelts, and nanorings have been reported.
  • particles having a hollow structure such as a tube have a low density and a high specific surface area compared to solid particles, and also exhibit intrinsic optical activity, and new or improved characteristics in the application field. It is of particular interest because it can be found and can be expected to be applied as an optical or electrical device by arranging these particles on a substrate.
  • Non-Patent Document 1 an aqueous solution of zinc acetate and CTAB (cetyl bromide). It has been shown that ZnO nanotubes can be produced by heating a mixture of (trimethylammonium) in an autoclave at 160 ° C. for 24 hours.
  • Non-Patent Document 2 a mixture of zinc oxide powder and graphite powder was heated to 1100 ° C. in a tubular furnace, so that ZnO nanorods arranged on a silicon substrate installed in the furnace and It is clear that nanotubes can be produced.
  • column shape here means the shape extended long in one direction, and shapes, such as a nanosize and a macrosize wire, a rod, a tube, are included.
  • Patent Document 1 the present inventors have proposed a method for producing columnar ZnO particles in which columnar ZnO particles can be obtained under low temperature and normal pressure synthesis conditions.
  • the present invention has been made in the background of such circumstances, the place to solve the problem is to provide a novel and practical method capable of industrially advantageously producing columnar ZnO particles,
  • An object of the present invention is to provide columnar ZnO particles having the alignment obtained by the method.
  • the first feature of the present invention is that the plate-like Zn compound is heated in water at a temperature below the boiling point under normal pressure, and then subjected to a drying treatment by heating, whereby one particle extends in one direction for a long time.
  • the ZnO particles have the same orientation in the major axis direction of the ZnO particles and are arranged in the direction perpendicular to the major axis direction to form a plurality of columnar ZnO particles.
  • the second feature of the present invention is that the heat treatment is performed at a temperature of 50 ° C. or higher and 80 ° C. or lower.
  • the third feature of the present invention is that after depositing a plate-like Zn compound by dissolving NH salt in water and introducing NH 3 gas or NH 3 aqueous solution into the aqueous solution in which Zn ions are generated,
  • the purpose is to perform the heat treatment in a state where the precipitated plate-like Zn compound is dispersed in water that does not contain Zn ions, anions derived from Zn salts, and ammonium ions.
  • the fourth feature of the present invention is that a hexagonal plate compound having a diameter of 5 ⁇ m to 100 ⁇ m and a thickness of 0.5 ⁇ m to 2 ⁇ m is used as the plate-like Zn compound.
  • a fifth feature of the present invention is that the drying treatment is performed by heating a plate-like Zn compound at a temperature not higher than the boiling point of water under normal pressure, so that the ZnO content of the columnar ZnO particles is 85% by weight. It is to raise more.
  • a sixth feature of the present invention is a ZnO particle obtained by the production method of any one of the first to fifth features, wherein the ZnO particle has a columnar shape in which one particle extends in one direction and has a diameter. Is 10 nm or more and 3 ⁇ m or less, the length is longer than 10 nm and 10 ⁇ m or less, and is substantially composed of ZnO, and the plurality of ZnO particles are aligned in the major axis direction, and the plurality of ZnO particles are arranged in a direction perpendicular to the major axis direction. It has an array property of being lined up.
  • the diameter here means the maximum length of the ZnO particles in the minor axis direction.
  • the plate-like Zn compound was used as a starting material, and had alignment properties depending on the synthesis conditions at a low temperature of the boiling point of water under normal pressure. Since columnar ZnO particles can be generated, it can be said that this is a novel and practical method that can be advantageously produced industrially.
  • the columnar ZnO particles obtained by the method for producing columnar ZnO particles of the present invention are aligned in the direction of the major axis and have an array property in which a plurality of columns are arranged in a direction perpendicular to the major axis direction. Can be advantageously used.
  • Example 2 is an SEM image of a plate-like Zn compound used as a starting material in Example 1.
  • Example 1 it is a SEM image of the particle
  • Example 1 it is a SEM image of the particle
  • Example 1 it is a SEM image of the substantially columnar particle
  • Example 1 it is a SEM image of the particle
  • Example 1 it is a SEM image of the particle
  • Example 2 it is a SEM image of the particle
  • Example 2 it is a SEM image of the particle
  • Example 2 it is a SEM image of the particle
  • Example 2 it is a SEM image of the particle
  • Example 2 it is a figure which shows the X-ray-diffraction pattern of the particle
  • a comparative example it is a SEM image of the particle
  • the columnar ZnO particles of the present invention are nano- and micro-sized ZnO particles that are elongated in one direction, and have a hollow structure such as a nanotube, a solid structure such as a nanowire, a nanorod, or the like. Contains particles.
  • a plate-like Zn compound having a thin and flat shape used as a starting material is prepared.
  • This plate-like Zn compound is prepared as follows. Manufacturing is possible.
  • the plate-like Zn compound is produced by dissolving a Zn salt in water and introducing NH 3 gas or an NH 3 aqueous solution into an aqueous solution in which Zn ions are generated.
  • any water-soluble one can be used.
  • organic compounds such as carboxylic acid salts and sulfonic acid salts.
  • zinc chloride (ZnCl 2 ) is preferably used.
  • tap water, distilled water, pure water, or the like can be used as water for dissolving the Zn salt.
  • the temperature of the aqueous solution, a Zn salt is soluble temperature, for example, in the case of using zinc chloride (ZnCl 2), and 70 °C ⁇ 90 °C.
  • the plate-like Zn compound thus obtained has a hexagonal plate shape with a diameter of 5 ⁇ m to 100 ⁇ m and a thickness of 0.5 ⁇ m to 2 ⁇ m.
  • the plate-like Zn compound thus produced is dispersed in water, subjected to heat treatment in water at low temperature and normal pressure conditions, and then subjected to drying treatment by heating.
  • an aqueous medium such as tap water, distilled water, or pure water can be used, but water that does not contain Zn ions, anions derived from Zn salts and ammonium ions is used.
  • the heat treatment conditions are normal pressure and a temperature below the boiling point of water, generally a temperature below 100 ° C.
  • the reason why the temperature is set to 100 ° C. or lower is to synthesize ZnO particles at a lower temperature and at a normal pressure.
  • the heating temperature at this time is preferably 50 ° C. or higher and 80 ° C. or lower.
  • the precipitate after the heat treatment in water like this is taken out from the water by a normal separation operation such as filtration and centrifugation, and heated at a temperature below the boiling point of water under normal pressure, that is, at a temperature of 100 ° C. or less.
  • a normal separation operation such as filtration and centrifugation
  • ZnO particles are obtained.
  • the particles extracted from the water after the heat treatment also contain Zn hydroxide, and by heat treatment at a temperature of 100 ° C. or less, the Zn hydroxide is thermally decomposed into ZnO and obtained.
  • the ZnO content of the particles is increased to 85 mass% or more.
  • the ZnO particles obtained in this way are columnar in which one particle extends long in one direction, the diameter is 10 nm or more and 3 ⁇ m or less, the length is longer than 10 nm and 10 ⁇ m or less, and is substantially composed of ZnO.
  • the ZnO particles have the same orientation in the major axis direction and are arranged in a plurality in a direction perpendicular to the major axis direction.
  • the columnar ZnO particles having such an arrangement are currently formed by dissolution and reprecipitation of a plate-like Zn compound.
  • the plate-like Zn compound when the plate-like Zn compound is dispersed in water that does not contain Zn ions, anions derived from Zn salts and ammonium ions, and the plate-like Zn compound is heated in water at a low temperature, the surface of the plate-like Zn compound is By dissolving and drying the Zn compound after the heat treatment, the shape becomes columnar and the crystal structure is considered to be ZnO instead of Zn hydroxide.
  • the obtained product was dried at room temperature to obtain a plate-like Zn compound. About the obtained plate-like Zn compound, the form was observed using the scanning electron microscope (SEM), and the result was shown in FIG.
  • the obtained plate-like Zn compound was large and had a hexagonal plate shape with a diameter of about 50 ⁇ m and a thickness of about 0.5 ⁇ m.
  • a suspension obtained by mixing 1 g of the plate-like Zn compound in 50 mL of distilled water was heated and held at various temperatures and times using a water bath.
  • the suspension kept heated at a predetermined temperature for a predetermined time was separated by filtration, and the obtained product was dried at a temperature of 90 ° C. for 48 hours to obtain target particles.
  • columnar ZnO particles are generated in all cases. It is recognized that The produced columnar ZnO particles had a diameter of 0.3 to 1 ⁇ m and a length of 1.5 to 5 ⁇ m. In addition, it is recognized that the generated columnar ZnO particles are aligned in the major axis direction and have an array property in which a plurality of columns are arranged in a direction perpendicular to the major axis direction.
  • columnar ZnO particles had a solid structure, but as can be seen from the SEM image in FIG. 4, some of the columnar ZnO particles had a hollow structure.
  • the obtained columnar ZnO particles have a hexagonal shape in which a plurality of arrays arranged in a direction perpendicular to the major axis direction is a hexagonal shape. It is assumed that it was obtained by growing from the compound surface.
  • the plate-like Zn compound was Zn hydroxide, and the obtained columnar ZnO particles were all ZnO.
  • Example 1 NH 3 gas was introduced to produce a plate-like Zn compound. However, even if NH 3 aqueous solution was introduced instead of NH 3 gas, the same columnar ZnO particles as in this example were produced. Obtained.
  • Example 1 For the experimental procedure of Example 1, the heating and holding temperature was changed to 50 ° C., and the others were the same as Example 1.
  • FIG. 12 shows X-ray diffraction patterns of particles obtained when the heating and holding times are 0.5, 1, 2, and 4 hours, respectively.
  • the crystal phase of the obtained columnar particles was mainly ZnO.
  • All samples contained a crystal phase containing a hydroxyl group in addition to ZnO.
  • the heating and holding temperature was changed to 25 ° C., which was room temperature, and the holding time was changed to 4 hours and 1 day. Others are the same as in the first embodiment.
  • FIG. 13 shows an SEM image of the liquid taken out from the liquid when the heating and holding time is 1 day.
  • the plate-like ZnO particles with the retention time of 4 hours and 1 day remained as plate-like Zn compounds, and the columnar ZnO particles having the alignment were not generated.
  • Example 1 had better ZnO crystallinity, and Example 1 did not show any crystal phase other than ZnO, so the holding temperature was higher than 50 ° C. A higher one is preferable, and 80 ° C. is particularly preferable.
  • columnar zinc oxide particles can be synthesized by low-temperature heat treatment and drying treatment of a plate-like Zn compound in water, and the obtained columnar zinc oxide particles have a specific surface area depending on their shape and arrangement. Since it can be expected to increase or develop light scattering characteristics, it can be used in various industrial fields such as optical devices, gas sensor elements, adsorbents, and catalysts.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

L’invention concerne un nouveau procédé pratique avec lequel des particules de ZnO colonnaires peuvent avantageusement être fabriquées à l’échelle industrielle, et les particules de ZnO colonnaires qui sont obtenues en tant que nouveau matériau en utilisant le procédé et qui peuvent être utilisées de manière avantageuse. Un composé de Zn en forme de plaque précipité par introduction de NH3 dans une solution aqueuse de ZnCl2 est utilisé en tant que matière première. Après le traitement thermique dudit composé à une température basse dans un liquide, il est chauffé et séché, et de multiples particules de ZnO colonnaires sont produites. Les particules sont telles qu’une particule individuelle est plus longue dans une direction que dans l’autre, la direction de l’axe long des particules de ZnO étant la même, et les multiples particules sont disposées dans une direction perpendiculaire à la direction de l’axe long.
PCT/JP2009/068329 2008-10-27 2009-10-26 Procédé de fabrication de particules de zno colonnaires et particules de zno colonnaires obtenues en l’utilisant WO2010050430A1 (fr)

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JP2008-275056 2008-10-27
JP2008275056 2008-10-27

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011013477A1 (fr) * 2009-07-31 2011-02-03 独立行政法人産業技術総合研究所 Structure maclée de cristaux d'oxyde de zinc en forme de baguette, un film de structures maclées et procédé pour la production d'un film de structures maclées
WO2012147887A1 (fr) * 2011-04-28 2012-11-01 堺化学工業株式会社 Particules d'oxyde de zinc en forme de cylindre hexagonal, procédé pour les produire et matière cosmétique, charge à dissipation de chaleur, composition de résine à dissipation de chaleur, graisse à dissipation de chaleur et composition de revêtement à dissipation de chaleur les contenant
WO2012147886A1 (fr) * 2011-04-28 2012-11-01 堺化学工業株式会社 Particules d'oxyde de zinc en forme de plaque hexagonale, procédé pour les produire et matière cosmétique, charge à dissipation de chaleur, composition de résine à dissipation de chaleur, graisse à dissipation de chaleur et composition de revêtement à dissipation de chaleur les contenant
WO2013137228A1 (fr) * 2012-03-13 2013-09-19 国立大学法人名古屋工業大学 Procédé de production de fines particules d'oxyde de zinc et/ou d'un film d'oxyde de zinc
WO2013137037A1 (fr) * 2012-03-13 2013-09-19 国立大学法人名古屋工業大学 Fine poudre d'oxyde de zinc contenant un élément du groupe 3b formant solution solide
CN104096560A (zh) * 2014-07-21 2014-10-15 安徽师范大学 一种ZnO/Pt异质纳米阵列结构材料、制备方法及其应用
US9120681B2 (en) 2011-04-28 2015-09-01 Sakai Chemical Industry Co., Ltd. Method for production of zinc oxide particles
WO2023190356A1 (fr) 2022-03-31 2023-10-05 株式会社フジミインコーポレーテッド Procédé de fabrication d'oxyde de zinc en colonne et oxyde de zinc en colonne

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007182370A (ja) * 2006-01-02 2007-07-19 Samsung Electronics Co Ltd 酸化亜鉛ナノワイヤの製造方法及びその製造方法により製造された酸化亜鉛ナノワイヤ
JP2007290892A (ja) * 2006-04-24 2007-11-08 Nagoya Institute Of Technology ZnO系ナノチューブの製造方法及びそれによって得られたZnO系ナノチューブ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665156B1 (fr) * 1990-07-24 1992-10-16 Centre Nat Rech Scient Procede de fabrication d'une poudre d'oxyde de zinc dope, et poudre obtenue.
JP3242468B2 (ja) * 1992-11-09 2001-12-25 三井金属鉱業株式会社 導電性針状酸化亜鉛の製造方法
CN100360420C (zh) * 2005-11-02 2008-01-09 东南大学 水热分解生长纳米管型氧化锌的方法
JP4899229B2 (ja) * 2007-03-20 2012-03-21 独立行政法人産業技術総合研究所 ZnOウィスカー膜及びそれらの作製方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007182370A (ja) * 2006-01-02 2007-07-19 Samsung Electronics Co Ltd 酸化亜鉛ナノワイヤの製造方法及びその製造方法により製造された酸化亜鉛ナノワイヤ
JP2007290892A (ja) * 2006-04-24 2007-11-08 Nagoya Institute Of Technology ZnO系ナノチューブの製造方法及びそれによって得られたZnO系ナノチューブ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
QIAN, H. ET AL.: "Growth of ZnO Crystals with Branched Spindles and Prismatic Whiskers from Zn3 (OH)2V2O7 H2O Nanosheets by a Hydrothermal Route", CRYST. GROWTH DES., vol. 5, no. 3, 2005, pages 935 - 939 *

Cited By (16)

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JP5669048B2 (ja) * 2009-07-31 2015-02-12 独立行政法人産業技術総合研究所 酸化亜鉛ロッド状結晶のツイン連結構造体、ツイン連結構造膜、及びツイン連結構造膜の製造方法
WO2011013477A1 (fr) * 2009-07-31 2011-02-03 独立行政法人産業技術総合研究所 Structure maclée de cristaux d'oxyde de zinc en forme de baguette, un film de structures maclées et procédé pour la production d'un film de structures maclées
JP5907167B2 (ja) * 2011-04-28 2016-04-20 堺化学工業株式会社 六角柱状酸化亜鉛粒子、その製造方法、並びに、それを配合した化粧料、放熱性フィラー、放熱性樹脂組成物、放熱性グリース及び放熱性塗料組成物
WO2012147887A1 (fr) * 2011-04-28 2012-11-01 堺化学工業株式会社 Particules d'oxyde de zinc en forme de cylindre hexagonal, procédé pour les produire et matière cosmétique, charge à dissipation de chaleur, composition de résine à dissipation de chaleur, graisse à dissipation de chaleur et composition de revêtement à dissipation de chaleur les contenant
US9404195B2 (en) 2011-04-28 2016-08-02 Sakai Chemical Industry Co., Ltd. Hexagonal prism-shaped zinc oxide particles, method for production of the same, and cosmetic, heat releasing filler, heat releasing resin composition, heat releasing grease, and heat releasing coating composition comprising the same
CN103459318A (zh) * 2011-04-28 2013-12-18 堺化学工业株式会社 六方柱状氧化锌颗粒、其制造方法、以及混配有该颗粒的化妆料、散热性填料、散热性树脂组合物、散热性脂膏和散热性涂料组合物
CN103492320A (zh) * 2011-04-28 2014-01-01 堺化学工业株式会社 六方板状氧化锌颗粒、其制造方法、混配有该颗粒的化妆料、散热性填料、散热性树脂组合物、散热性脂膏及散热性涂料组合物
US9339445B2 (en) 2011-04-28 2016-05-17 Sakai Chemical Industry Co., Ltd. Hexagonal plate-shaped zinc oxide particles, method for production of the same, and cosmetic, heat releasing filler, heat releasing resin composition, heat releasing grease, and heat releasing coating composition comprising the same
WO2012147886A1 (fr) * 2011-04-28 2012-11-01 堺化学工業株式会社 Particules d'oxyde de zinc en forme de plaque hexagonale, procédé pour les produire et matière cosmétique, charge à dissipation de chaleur, composition de résine à dissipation de chaleur, graisse à dissipation de chaleur et composition de revêtement à dissipation de chaleur les contenant
JP5907166B2 (ja) * 2011-04-28 2016-04-20 堺化学工業株式会社 六角板状酸化亜鉛粒子、その製造方法、それを配合した化粧料、放熱性フィラー、放熱性樹脂組成物、放熱性グリース及び放熱性塗料組成物
US9120681B2 (en) 2011-04-28 2015-09-01 Sakai Chemical Industry Co., Ltd. Method for production of zinc oxide particles
JPWO2013137228A1 (ja) * 2012-03-13 2015-08-03 国立大学法人 名古屋工業大学 酸化亜鉛微細粒子及び/又は酸化亜鉛膜の製造方法
WO2013137228A1 (fr) * 2012-03-13 2013-09-19 国立大学法人名古屋工業大学 Procédé de production de fines particules d'oxyde de zinc et/ou d'un film d'oxyde de zinc
WO2013137037A1 (fr) * 2012-03-13 2013-09-19 国立大学法人名古屋工業大学 Fine poudre d'oxyde de zinc contenant un élément du groupe 3b formant solution solide
CN104096560A (zh) * 2014-07-21 2014-10-15 安徽师范大学 一种ZnO/Pt异质纳米阵列结构材料、制备方法及其应用
WO2023190356A1 (fr) 2022-03-31 2023-10-05 株式会社フジミインコーポレーテッド Procédé de fabrication d'oxyde de zinc en colonne et oxyde de zinc en colonne

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