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公开(公告)号:KR101257842B1
公开(公告)日:2013-04-24
申请号:KR1020100084009
申请日:2010-08-30
Applicant: 한국과학기술연구원 , 주식회사 아모그린텍
Abstract: 본 발명은 LaOCl-NiO 산화물, LaOCl-NiO-LaNiO
3 산화물 , 또는 LaNiO
3 산화물을 갖는 1차원 구조의 La계 산화물 나노섬유 및 그 제조방법에 관한 것이다.
본 발명의 La계 산화물 나노섬유는 Cl을 포함하고 있는 La 전구체와 Ni 전구체를 고분자와 함께 섞어서 전기방사를 한 후, 고온에서 열처리하여 열처리 온도에 따라서 LaOCl-NiO 산화물, LaOCl-NiO-LaNiO
3 산화물 , 또는 LaNiO
3 산화물을 성분을 가지는 나노섬유를 제조한다. 650℃ 이하의 저온에서 안정한 LaOCl-NiO 산화물 나노섬유는 P-type 특성을 갖는 금속산화물 반도체로서, 선택성이 매우 우수한 유기화합물 가스센서에 이용할 수 있다. 열처리 온도가 850℃ 이상에서 얻어지는 LaNiO
3 산화물은 전도 특성이 매우 우수하여 우수한 전도성 특성이 요구되는 기판 및 촉매제, 전도선 등에 응용이 가능하다.-
公开(公告)号:KR100655367B1
公开(公告)日:2006-12-08
申请号:KR1020050062344
申请日:2005-07-11
Applicant: 한국과학기술연구원
IPC: G01N37/00
Abstract: A multi-olfactory sensor using LTCC(Low Temperature Co-fired Ceramic) and a manufacturing method are provided to effectively detect the compound chemical amount and to produce the multi-olfactory sensors at low cost by pattern recognition. The multi-olfactory sensor using LTCC comprises plural unit olfactory sensors. The unit olfactory sensor is composed of a first dense LTCC layer; a heater(50) formed on the first dense LTCC layer; a second dense LTCC layer formed on the first dense LTCC layer and the heater; an electrode pattern(60) formed on the second dense LTCC layer; a third dense LTCC layer disposed on the second dense LTCC layer and the electrode pattern; a pair of sensitive electrodes(80) arranged on the third dense LTCC layer; a connecting electrode(70) connecting the electrode pattern and a pair of sensitive electrodes; a fourth dense LTCC layer(40) formed on the third dense LTCC layer and provided with an opening exposing the sensitive electrodes; and a sensitive material part formed on the third dense LTCC layer in the opening to come into contact with a pair of sensitive electrodes. The sensitive material part is formed by loading sensitive materials(90) changing a resistance value between the sensitive electrodes according to external chemical materials, to the sensitive electrodes and drying the sensitive materials.
Abstract translation: 提供使用LTCC(低温共烧陶瓷)的多嗅觉传感器和制造方法,以有效检测化合物的化学量并通过模式识别以低成本生产多嗅觉传感器。 使用LTCC的多嗅觉传感器包括多个单元嗅觉传感器。 单元嗅觉传感器由第一密集LTCC层组成; 形成在第一致密LTCC层上的加热器(50) 在第一致密LTCC层和加热器上形成的第二致密LTCC层; 在第二致密LTCC层上形成的电极图案(60) 设置在所述第二致密LTCC层和所述电极图案上的第三致密LTCC层; 布置在第三致密LTCC层上的一对敏感电极(80) 连接电极图案和一对敏感电极的连接电极(70) 形成在所述第三致密LTCC层上并且设置有暴露所述敏感电极的开口的第四致密LTCC层(40) 以及在开口中的第三致密LTCC层上形成的敏感材料部分,以与一对敏感电极接触。 敏感材料部分是通过加载敏感材料(90)来形成的,敏感材料(90)根据外部化学材料改变敏感电极之间的电阻值,敏感电极和干燥敏感材料。
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公开(公告)号:KR1020120057725A
公开(公告)日:2012-06-07
申请号:KR1020100084009
申请日:2010-08-30
Applicant: 한국과학기술연구원 , 주식회사 아모그린텍
CPC classification number: C01F17/00 , B82Y15/00 , C01P2004/17 , G01N27/4162
Abstract: PURPOSE: An LA based oxide nanofiber, a manufacturing method thereof, p type gas sensor using thereof, an electrical conductor, and a nanonrod are provided to obtain fibril structure and semiconductor structure with improved electric conductivity. CONSTITUTION: An LA based oxide nanofiber comprises LaOCl-NiO mixture oxide which consists of fine nano particles, LaOCl-NiO-LaNiO3 mixture oxide, or LaNiO3 oxide components. The fine nano particle has particle size of 2-500 nano meters. The LaOCl and NiO of the LaOCl-NiO mixture oxide nanofiber have characteristics of P-type semiconductor chip. The LaNiO3 oxide has acubic perovskite structure. A manufacturing method of the La based oxide nanofiber comprises the following steps: mixing La precursor which includes Cl and Ni precursor and forming a spinning solution which contains precursor; forming the metal oxide precursor-polymer composite nanofiber from the spinning solution by using an electrospinning apparatus; and heat-treating in order to eliminate the polymer of the composite nanofiber; and obtaining LaOCl-NiO mixture oxide, LaOCl-NiO-LaNiO3 mixture oxide, or LaNiO3 oxide according to the thermal annealing temperature.
Abstract translation: 目的:提供一种基于LA的氧化物纳米纤维,其制造方法,使用其的p型气体传感器,导电体和纳米罗,以获得具有改善的导电性的原纤维结构和半导体结构。 构成:LA型氧化物纳米纤维包含由细小纳米颗粒,LaOCl-NiO-LaNiO3混合氧化物或LaNiO 3氧化物组分组成的LaOCl-NiO混合氧化物。 精细纳米颗粒的粒径为2-500纳米。 LaOCl-NiO混合氧化物纳米纤维的LaOCl和NiO具有P型半导体芯片的特征。 LaNiO3氧化物具有钝性钙钛矿结构。 La基氧化物纳米纤维的制造方法包括以下步骤:将包含Cl和Ni前体的La前体混合并形成含有前体的纺丝溶液; 通过使用静电纺丝装置从纺丝溶液中形成金属氧化物前体 - 聚合物复合纳米纤维; 并进行热处理以消除复合纳米纤维的聚合物; 并根据热退火温度获得LaOCl-NiO混合氧化物,LaOCl-NiO-LaNiO3混合氧化物或LaNiO 3氧化物。
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