Abstract:
본 발명은, 중심 원자 Sn; 중심 원자에 공유결합된 제1 원소군; 중심 원자에 배위결합된 제2 원소군을 포함하며, 제1 원소군은 S이고, 제2 원소권은 S 및 N으로 이루어진 군으로부터 선택되는 1종 이상이고, 제1 원소군에 속하는 원자는 아래의 조건 (1) 또는 (2)를 만족하고, (1) 제1 원소군에 속하는 원자끼리 연결되어 고리 구조를 형성하거나, (2) 제1 원소군에 속하는 원자와 제2 원소군에 속하는 원자가 연결되어 고리 구조를 형성하고, 제1 원소군과 제2 원소군에 속하는 원자는, 각각 독립적으로, 탄소수 1 내지 4의 알킬기로 치환 또는 비치환되는 황화주석 전구체, 상기 전구체를 이용하여 제조한 박막에 관한 것으로, 고순도의 황화주석 박막을 형성할 수 있고, 제조된 박막은 다양한 전자재료로 활용 가능하다.
Abstract:
A method of manufacturing a CuInS2 thin film by metal organic chemical vapor deposition and a CuInS2 thin film manufactured by the method are provided to achieve high purity and desired composition of CuInS2 thin film, a method of manufacturing an In2S3 thin film by additionally depositing a precursor comprising In-S onto the CuInS2 thin film manufactured is provided. A method of manufacturing a CuInS2 thin film comprises steps of: depositing a copper precursor of an asymmetrical structure selected from copper ethylbutyrylacetate and copper ethylisobutyrylacetate onto a substrate by metal organic chemical vapor deposition to manufacture a copper thin film; and depositing a precursor comprising In-S onto the copper thin film by metal organic chemical vapor deposition. The manufacturing method further comprises a heat treatment process after the second step. A CuInS2 thin film manufactured by the manufacturing method has a band gap of 1.4 1.6 eV. A method of manufacturing an In2S3 thin film comprises heat-treating the CuInS2 thin film at 350 to 450 deg.C for 60 to 180 minutes, and additionally depositing a precursor comprising In-S onto the heat-treated In2S3 thin film by metal organic chemical vapor deposition.
Abstract:
A manufacturing method of lithium titanate nano particle is provided to raise a composition and a purity of the lithium titanate by using the precursor manufactured by coating the lithium hydroxide which is reactant onto a surface of titanium dioxide. The lithium titanate nano particle can be mass-produced by heat-treating in the more mild condition in a short time. Furthermore, the lithium titanate nano particle manufactured from the manufacturing method is usefully used as the lithium secondary battery cathode material. A lithium titanate nano particle is manufactured by manufacturing precursor manufactured by coating the lithium hydroxide onto a surface of the titanium dioxide, and heat-treating the precursor at the low temperature less than 500deg.C for the short time in the alcohol solution by performing the sonochemical reaction under the multiplexer sound wave luminescence condition. The alcohol solution contains a titanium dioxide(TiO2) and a lithium hydroxide(LiOH).
Abstract:
본 발명은 ZnO 박막 제조용 전구체 및 이를 이용한 화학기상증착법에 의한 ZnO 박막의 제조 방법에 관한 것이다. 본 발명의 ZnO 박막 제조용 전구체는 하기 화학식 1의 구조를 가진다.
(상기 식에서, R은 C 1 내지 C 4 의 직쇄 또는 분쇄의 알킬기이다) 본 발명의 ZnO 박막 제조용 전구체 화합물을 이용하면 ZnO 박막 증착 공정을 500℃ 이하의 낮은 온도에서도 수행할 수 있으며, 원하는 곳에 ZnO 박막을 용이하게 형성할 수 있다. Zn0 박막
Abstract:
PURPOSE: A precursor for preparing ZnO thin film and method for preparing ZnO thin film through chemical vapor deposition using the same are provided to perform ZnO thin film deposition process at low temperature and use in solar cell. CONSTITUTION: A precursor for preparing ZnO thin film has a structure of chemical formula 1. In the chemical 1, R is straight or branched alkyl group of C1-C4. A method for preparing the precursor for preparing ZnO thin film of chemical formula 1 comprises: a step of reacting tetramethylethylenediamine with zinc chloride; and a step of reacting reaction product with alkyl acetoacetate sodium. The alkyl acetoacetate sodium is ethyl acetoacetate sodium or tertiary butyl acetoacetate sodium. The ZnO thin film is formed using the precursor through chemical vapor deposition.
Abstract:
본발명은다중기포음파발광조건에서초음파발광법을이용하여 II 내지 VI 족반도체양자점또는나노입자를제조하는방법및 상기양자점또는나노입자의크기를제어하는방법에관한것으로, 다중기포음파발광조건에서초음파발광법을이용하여어떠한전처리및/또는고온조건없이편리하고간단한원팟반응을통해고 수율의 II 내지 VI 족화합물의양자점을제조할수 있다. 또한, 상기양자점을소성하여나노입자로전환시킬수 있다. 아울러, 상기초음파처리조건또는소성조건을제어하여상기양자점또는나노입자의크기를제어하는효과가있다.
Abstract:
본 발명은 다중기포 음파발광을 이용한 칼코파이라이트계 입자의 제조 방법 및 상기 입자를 포함하는 태양전지에 관한 것이다. 본 발명에 따르면, 유독성을 가지는 첨가제를 사용하지 않고, 온화한 조건에서 단시간 내에 나노크기의 균일한 칼코파이라이트계 입자를 효과적으로 제조할 수 있다. 또한, 본 발명의 방법에 의해 제조된 칼코파이라이트계 입자는, 예를 들면, 태양전지의 광흡수층에 적용되었을 때, 탁월한 효과를 나타낼 수 있다. 칼코파이라이트계 입자, 다중기포 음파발광, 열처리, 태양전지, 광흡수층
Abstract:
PURPOSE: A manufacturing method of a metal oxide nanoparticle and a lithium nanoparticle is provided to use a MBSL(multi-bubble sonoluminescence) to uniformly manufacture the nanoparticle in a short time. CONSTITUTION: A manufacturing method of a metal oxide nanoparticle comprises the following steps: maintaining the multi-bubble sonoluminescence condition of a reaction system including a metal compound and a base within a solvent; and reacting the metal compound and the base. A manufacturing method of a lithium nanoparticle comprises a step of maintaining the multi-bubble sonoluminescence condition of a reaction system including a metal oxide nanoparticle and a lithium compound within a solvent, and reacting the metal oxide nanoparticle and the lithium compound.
Abstract:
PURPOSE: A tin sulfide thin film containing a precursor is provided to obtain a high purity tin sulfide thin film of a single phase through chemical vapor deposition. CONSTITUTION: A precursor for forming a tin sulfide thin film contains a structure of chemical formula 1. The precursor is an asymmetric structure. A method for manufacturing the thin film comprises the step of forming the thin film through deposition of the precursor. The deposition is a chemical vapor deposition.