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公开(公告)号：KR100902415B1
公开(公告)日：2009-06-11
申请号：KR1020070132510
申请日：2007-12-17
Applicant: 한국화학연구원
IPC: C09K11/55
Abstract: A phosphor based on halo-silicate is provided to change wavelength according to the kind and content of alkaline earth metal and to increase emitting wavelength and luminance selective use of an activator. A method for manufacturing phosphor based on halo-silicate comprises the steps of: weighting strontium(Sr), calcium(Ca), barium(Ba) and silicon(Si) precursors and a base material of halogenated ammonium in a ratio of the phosphor represented by formula 1: (Sr5-x-yCaxBay)Si2O7X4: Eua, then mixing the materials in solvent; drying the mixture in an oven of 100~150 °C; and heat-treating the dried mixture in a mixed gas atmosphere of nitrogen and hydrogen in a weight ratio of 75~95 : 25~5. In the chemical formula 1, X is F, Cl, Br or I, 0
Abstract translation: 提供基于卤代硅酸盐的荧光体，以根据碱土金属的种类和含量改变波长，并增加发射波长和激发剂的亮度选择性使用。 一种制造基于卤代硅酸盐的荧光体的方法包括以下步骤：以所表示的荧光体的比例加权锶（Sr），钙（Ca），钡（Ba）和硅（Si）前体和卤化铵的基础材料 通过式1：（Sr5-x-yCaxBay）Si2O7X4：Eua，然后将该物质混合在溶剂中; 在100〜150℃的烘箱中干燥混合物; 并在氮气和氢气的混合气体气氛中以75〜95：25〜5的重量比进行热处理。 在化学式1中，X是F，Cl，Br或I，0
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公开(公告)号：KR1020030045500A
公开(公告)日：2003-06-11
申请号：KR1020010076239
申请日：2001-12-04
Applicant: 한국화학연구원
IPC: C09K11/77
CPC classification number: C09K11/7797 , C01P2002/70 , C01P2004/03 , C01P2004/60 , H01J2211/42 , Y02B20/181
Abstract: PURPOSE: A method for preparing a spherical boron oxide-based red fluorescent substance by hydrolysis is provided, to enable a single phase of fluorescent substance at a relatively low temperature to be prepared compared with that of existing solid method, with using a smaller amount of expensive rare earth metals. CONSTITUTION: The method comprises the steps of adding tetraethylorthosilicate, liquid ammonia and water to ethyl alcohol and mixing the mixture to precipitate silicic acid hydrate; dispersing the silicic acid hydrate in a precursor aqueous solution comprising Y, Gd, Eu, B and urea, and hydrolyzing the solution at 70-90 deg.C to adjust pH to be 5-10 for precipitating basic carbonate and hydroxide; and filtering and drying the basic carbonate and hydroxide and heating the dried one at 800-1,100 deg.C to prepare a spherical boron oxide-based red fluorescent substance represented by (Y1-x-yGdx)BO3:Eu, wherein 0
Abstract translation: 目的：提供通过水解制备球形氧化硼基红色荧光物质的方法，与现有固体方法相比，可以制备相对较低温度的荧光物质的单相，使用较少量的 昂贵的稀土金属。 方法：该方法包括将原硅酸四乙酯，液氨和水加入乙醇中，混合混合物沉淀出硅酸水合物; 将硅酸水合物分散在包含Y，Gd，Eu，B和尿素的前体水溶液中，并在70-90℃水解该溶液以将pH调节至5-10以沉淀碱性碳酸盐和氢氧化物; 过滤并干燥碱性碳酸盐和氢氧化物，并在800-1100℃加热干燥的碱，制备由（Y1-x-yGdx）BO3：Eu表示的球形氧化硼基红色荧光物质，其中0≤x <= 1.0和0.01 <= y <= 0.2。
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公开(公告)号：KR1020090065073A
公开(公告)日：2009-06-22
申请号：KR1020070132509
申请日：2007-12-17
Applicant: 한국화학연구원
Abstract: A synthetic method of an indium phosphite quantum dot is provided to economically manufacture a indium phosphite quantum dot at lower temperature within shorter reaction time than conventional method, by introducing triphenyl phosphate and polyol solvent. A synthetic method of an indium phosphite quantum dot comprises a step of mixing indium salt and triphenyl phosphate in the presence of polyol solvent in a molar ration of 1 : 0.75 ~ 10; and heating the mixture at 100~250 °C for 2~24 hours. The polyol is a single solvent or a mixed solvent of at least two kinds selected form alkanols, alkanediols and glycols. The indium salt is selected from indium halide, indium nitrate, indium acetate and indium hydroxide.
Abstract translation: 提供了一种铟亚磷酸盐量子点的合成方法，通过引入三苯基磷酸盐和多元醇溶剂，在比较常规方法更短的反应时间内，在较低温度下经济地制造铟亚磷酸盐量子点。 铟亚磷酸盐量子点的合成方法包括在多元醇溶剂存在下，以1:0.75〜10摩尔比混合铟盐和磷酸三苯酯的步骤; 并在100〜250℃下加热混合物2〜24小时。 多元醇是选自烷醇，烷二醇和二醇中的至少两种的单一溶剂或混合溶剂。 铟盐选自卤化铟，硝酸铟，醋酸铟和氢氧化铟。
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公开(公告)号：KR1020090062121A
公开(公告)日：2009-06-17
申请号：KR1020070129232
申请日：2007-12-12
Applicant: 한국화학연구원
IPC: G01N33/532 , G01N33/53 , G01N33/68
Abstract: A method for detecting a histidine probed protein using a nickel binding quantum is provided to easily observe the protein movement pathway by specifically binding with special protein in a cell. A method for detecting a histidine probed protein using the quantum point in which a nickel is connected comprises: a step of preparing a nickel-chelate-binding dot using chelate in the hydrophilic-treated water soluble quantum point; a step of fixing a histidine probed protein or a cell having the histidine probed protein; and a step of detecting the histidine probed protein; The hydrophilic-treatment is performed by coating with a hydrophilic compound of thioglycolic acid, mercaptobenzoic acid, mercaptopropionic acid or mercaptoundecanoic acid. The chelate is imido diaset acid(IDA), bicinchoninic acid (BCA), and N,N,N'-triscarboxymethyl ethylene diamine (TED) or nitro triacetate (NTA).
Abstract translation: 提供了使用镍结合量子检测组氨酸探针蛋白的方法，通过与细胞中的特殊蛋白质特异性结合来容易地观察蛋白质运动途径。 使用镍连接的量子点检测组氨酸探针蛋白的方法包括：在亲水处理的水溶性量子点中使用螯合物制备镍螯合物结合点的步骤; 固定组氨酸探针蛋白或具有组氨酸探针蛋白的细胞的步骤; 检测组氨酸探针蛋白的步骤; 通过用亲水性巯基乙酸，巯基苯甲酸，巯基丙酸或巯基十一烷酸的化合物进行亲水处理。 螯合物是亚氨基二酸（IDA），二辛可宁酸（BCA）和N，N，N'-三羧甲基乙二胺（TED）或硝酸三乙酸酯（NTA）。
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公开(公告)号：KR1020060131524A
公开(公告)日：2006-12-20
申请号：KR1020050052031
申请日：2005-06-16
Applicant: 한국화학연구원
IPC: C09K11/71
Abstract: Provided is a method for preparing red phosphor based on sulfide of alkali earth metal having improved luminous property at the condition excluding solvent and noxious ingredient for decreasing a temperature, in which heating is achieved at lower temperature than conventional method. The method comprises the steps of (1) dispersing an acid solution containing 0.5-0.9999 mole of alkali earth metal precursor and 0.0001-0.5 mole of europium precursor dissolved therein, into distilled water to prepare an aqueous solution of metal mixture, (2) adding an aqueous solution of sulfate and sulfide of metal of period 3 in elements periodic table to the aqueous solution of metal mixture, adjusting a pH of the solution to 5-10, and filtrating and drying the solution to prepare a precursor of phosphor based on sulfide alkali earth metal sulfide, and (3) heating the precursor at 600-1000 deg.C at the atmosphere of mixture of nitrogen and hydrogen gases.
Abstract translation: 本发明提供一种制备基于硫酸盐的碱土金属硫化物的方法，其在除了溶剂和有害成分之外的条件下具有改善的发光性能，用于降低温度，其中在比常规方法更低的温度下实现加热。 该方法包括以下步骤：（1）将含有0.5-0.9999摩尔碱土金属前体和0.0001-0.5摩尔溶解在其中的铕前体的酸溶液分散到蒸馏水中以制备金属混合物的水溶液，（2）加入 元素周期表中周期3的金属硫酸盐和硫化物水溶液与金属混合物的水溶液，将溶液的pH调节至5-10，并过滤并干燥溶液以制备基于硫化物的磷光体前体 碱土金属硫化物，和（3）在氮气和氢气混合气氛下在600-1000℃加热前体。
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Patent Agency Ranking
公开(公告)号：KR1020060131523A
公开(公告)日：2006-12-20
申请号：KR1020050052030
申请日：2005-06-16
Applicant: 한국화학연구원
IPC: C09K11/71
Abstract: Provided is a method for preparing a red phosphor based sulfide of alkali earth metal by coprecipitation and pH control, which does not use a separate flux for decreasing a temperature, and uses a mixture of hydrogen and nitrogen in place of noxious gases such as H2S or CS2, and thus is expected to have environmentally and economically excellences. The method comprises the steps of (i) dissolving 0.5-0.9999 mole of precursor of alkali earth metal and 0.0001-0.5 mole of europium precursor into acid to obtain an acidic solution, dispersing the acidic solution into C1-C5 alcohol, and adjusting a pH of the solution to 3-5 to prepare a mixed metal solution, (ii) introducing an aqueous solution of sulfate and sulfide of period 3 metal having pH 8-10 to the mixed metal solution, to adjust a pH to 6-8, and then filtrating and drying the solution to prepare a precursor of phosphor based on alkali earth metal sulfide, and (iii) heating the precursor of phosphor at 600-1000 deg.C at the atmosphere of mixture of nitrogen and hydrogen gases.
Abstract translation: 本发明提供了一种通过共沉淀和pH控制制备红色荧光体的碱土金属硫化物的方法，其不使用单独的助熔剂来降低温度，并且使用氢和氮的混合物代替有害气体如H 2 S或 CS2，因此预期在环境和经济上都是优秀的。 该方法包括以下步骤：（i）将0.5-0.9999摩尔碱土金属前体和0.0001-0.5摩尔铕前体溶解在酸中，得到酸性溶液，将酸性溶液分散在C1-C5醇中，并调节pH 的溶液至3-5以制备混合金属溶液，（ii）将pH8-10的第3期金属的硫酸盐和硫化物水溶液引入混合金属溶液中，将pH调节至6-8， 然后过滤并干燥溶液以制备基于碱土金属硫化物的荧光体前体，和（iii）在氮和氢气混合气氛下在600-1000摄氏度加热磷光体前体。
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公开(公告)号：KR1020020022457A
公开(公告)日：2002-03-27
申请号：KR1020000055240
申请日：2000-09-20
Applicant: 한국화학연구원
IPC: C09K11/63
CPC classification number: C09K11/774 , C01P2002/70 , C01P2004/03 , C04B35/6267 , Y02B20/181
Abstract: PURPOSE: A method for preparing a boron oxide-based red fluorescent substance (Y, Gd)BO3:Eu is provided to lower the reaction temperature and to improve the brightness, wherein the fluorescent substance is useful to a plasma display panel. CONSTITUTION: The method comprises the steps of dropping an aqueous mixture comprising an yttrium compound, a gadolinium compound, an europium compound and boric acid and a basic solution selected from an inorganic base and an organic base into a blank solution to coprecipitate the rare-earth metal with maintaining pH to be 7-9; filtering the solution and drying the filtrate; and heating the dried one at 600-1,100 deg.C in air. Preferably the blank solution is at least one selected from the group consisting of distilled water, methanol, ethanol, 1-propyl alcohol and isopropyl alcohol; the yttrium compound is at least one selected from the group consisting of yttrium nitrate, yttrium chloride and yttrium acetate; the gadolinium compound is at least one selected from the group consisting of gadolinium nitrate, gadolinium chloride and gadolinium acetate; the europium compound is at least one selected from the group consisting of europium nitrate, europium chloride and europium acetate; the inorganic base is at least one selected from the group consisting of NH4OH, NaOH and KOH; and the organic base is at least one selected from the group consisting of diethyl amine, diethanol amine and triethyl amine.
Abstract translation: 目的：提供一种制备氧化硼基红色荧光物质（Y，Gd）BO3：Eu的方法，以降低反应温度并提高亮度，其中荧光物质可用于等离子体显示面板。 构成：该方法包括将包含钇化合物，钆化合物，铕化合物和硼酸的含水混合物和选自无机碱和有机碱的碱性溶液滴加到空白溶液中以共沉淀稀土 保持pH值为7-9的金属; 过滤溶液并干燥滤液; 并在600-1100℃的空气中加热干燥的。 优选空白溶液为选自蒸馏水，甲醇，乙醇，1-丙醇和异丙醇中的至少一种; 钇化合物是选自硝酸钇，氯化钇和乙酸钇中的至少一种。 钆化合物是选自硝酸钆，氯化钆和乙酸钆中的至少一种。 铕化合物是选自硝酸铕，氯化铕和乙酸铕中的至少一种。 无机碱是选自NH 4 OH，NaOH和KOH中的至少一种; 有机碱为选自二乙胺，二乙醇胺，三乙胺中的至少一种。
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公开(公告)号：KR1020020022455A
公开(公告)日：2002-03-27
申请号：KR1020000055238
申请日：2000-09-20
Applicant: 한국화학연구원
IPC: C09K11/64
CPC classification number: C09K11/7734 , C01P2004/03 , C09K11/7731 , H01J11/42 , H01J2211/42 , Y02B20/181
Abstract: PURPOSE: A method for preparing a spherical aluminate-based blue fluorescent substance BaMgAl10O17:Eu is provided to obtain a fine spherical material without ball-milling at a lower temperature, wherein the substance can be applied to a PDP. CONSTITUTION: The method comprises the steps of adding an aluminium compound, a hydroxypropyl cellulose dispersant with a molecular weight of 100,000 and a urea precipitating agent to a solution mixture of water and alcohol in the ratio of 1:3-7 by volume, and hydrolyzing it to obtain an aluminium precipitate; dispersing the aluminium precipitate into an aqueous mixture solution containing barium, magnesium and europium; adding oxalic acid to the dispersion solution and controlling pH to be 6-9 with a basic solution to precipitate aluminium, barium, magnesium and europium; filtering and drying the precipitate; and calcining the dried one at 1,100-1,400 deg.C in air and heating the calcined one at 1,000-1,200 deg.C under a reductive atmosphere by using 25% H2/N2 gas. Preferably the alcohol is at least one selected from the group consisting of 1-propyl alcohol and isopropyl alcohol.
Abstract translation: 目的：提供一种制备球形铝酸盐系蓝色荧光物质BaMgAl10O17：Eu的方法，以在较低温度下不进行球磨而获得细小球形物质，其中该物质可应用于PDP。 方案：该方法包括以1：3-7体积比的比例将铝化合物，分子量为100,000的羟丙基纤维素分散剂和尿素沉淀剂加入到水和醇的溶液混合物中，并水解 得到铝沉淀物; 将铝沉淀物分散到含有钡，镁和铕的含水混合物溶液中; 向分散液中加入草酸，用碱性溶液控制pH至6-9，使铝，钡，镁和铕沉淀; 过滤并干燥沉淀物; 并将空气中的干燥物料在1100-1400℃下煅烧，并在还原气氛下，使用25％H 2 / N 2气体在1000-1200℃下加热煅烧的。 醇优选为选自1-丙醇和异丙醇中的至少一种。
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公开(公告)号：KR100926799B1
公开(公告)日：2009-11-12
申请号：KR1020070132509
申请日：2007-12-17
Applicant: 한국화학연구원
Abstract: 본 발명은 인듐포스파이드 양자점의 제조 방법에 관한 것으로, 보다 상세하게는 폴리올 용매하에서, 인듐염과 트리페닐포스페이트(Triphenyl phosphate)를 일정 비율로 혼합한 후, 가열함으로써 인듐포스파이드 양자점을 제조하는 방법에 관한 것으로, 제조공정이 단순하고 제조 단가가 낮은 인듐포스파이드 양자점의 제조방법에 관한 것이다.
인듐포스파이드, 양자점, 폴리올, 트리페닐포스페이트
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