Abstract:
PURPOSE: A manufacturing method of magnetic carbon nanoparticle including nitrogen is provided to manufacture magnetic carbon nanoparticle with high portion of nitrogen by using a carbonization process at a specific temperature range. CONSTITUTION: The manufacturing method of magnetic carbon nanoparticle including nitrogen includes following steps. (A) A spherical polymer nanoparticle is manufactured from a polymer monomer containing nitrogen by using a micro-emulsion polymerization.(B) The sphere polymer nanoparticle is divided from reactant, dried and collected.(C) After a charring process, the magnetic carbon nanoparticle including nitrogen is manufactured from the dried sphere polymer nanoparticle. The polymer monomer contains nitrogen and is polypyrrole, polyaniline, and polyacrylonitrile or polyrhodanine. The temperature of the charring process is 500-1000°C.
Abstract:
본 발명은 실리카-이산화티타늄 중공구조 나노입자의 제조에 관한 것으로, 실리카와 이산화티타늄의 부식 속도 차이를 이용한 염기성 수용액에 분산된 실리카/이산화티타늄 코어-셀 나노입자의 초음파 유도 부식-재증착 반응을 통하여 중공구조를 도입함으로써, 실리카-이산화티타늄 중공구조 나노입자를 제조하는 방법을 제공한다. 본 발명에 따르면, 계면활성제를 사용하지 않으며 초음파 유도 부식-재증착 반응을 통해서 간단하고 경제적인 방법으로 100 나노미터 이하의 크기에 대해서도 실리카-이산화티타늄 중공구조 나노입자를 용이하게 제조할 수 있는 장점을 지닌다. 더욱이, 본 발명에서 제조될 수 있는 실리카-이산화티타늄 중공구조 나노입자는 실리카/이산화티타늄 코어-셀 나노입자의 크기와 이산화티타늄의 셀 두께에 따라서 중공구조 나노입자의 크기와 외벽 두께에 대하여 제한이 없이 제조가 가능하다. 초음파, 졸-겔 반응, 중공 구조, 나노입자
Abstract:
PURPOSE: A manufacturing method of titanium oxide/polymer core/shell nanoparticle is provided to manufacture massively titanium oxide/polymer core/shell nanoparticle through a photopolymerization using only the ultraviolet ray without using additional initiator. CONSTITUTION: The manufacturing method of titanium oxide/polymer core/shell nanoparticle includes following steps.(a) The titanium oxide nanoparticle is dispersed into a solvent.(b) A monomer is injected into the solvent with 'the dispersed titanium oxide'. A physical adsorption of the monomer is induced in the surface of the titanium oxide nanoparticle.(c) The ultraviolet ray is added to the surface of the titanium oxide nanoparticle with the adsorbed monomer. In the surface, a production of electrons and radicals is induced. In the surface, the polymerization of the monomer radical is induced.(d) The titanium oxide/polymer core/shell nanoparticle is collected from the polymerized solution through a precipitation.
Abstract:
본 발명은 전도성 고분자를 다양한 지지체 위에 잉크젯 프린팅과 기상증착중합법을 혼용하여 패턴을 자유로이 형성하는 방법에 관한 것이다. 구체적으로, 본 발명은 중합개시제 용액을 잉크젯 프린팅이 가능하도록 제조하고, 이를 유연성이 있는 지지체 위에 원하는 모양으로 프린팅 한 후, 이를 기상증착중합이 가능하도록 고안된 장치내에서 전도성 고분자 단량체와 반응시켜 전기 전도도가 우수한 전도성 고분자 패턴을 형성하는 것에 관한 것이다. 본 발명에 따르면, 전기 전도도가 우수한 전도성 고분자를 유연성이 있는 지지체 위에 전기 전도성 잉크의 제조과정 없이 잉크젯 프린팅과 기상증착중합법을 이용하여 간단하고 빠르게 복잡한 패턴을 형성할 수 있는 장점을 가진다. 또한, 제조 공정 과정 측면에서 잉크젯 프린팅 공정에 사용되는 중합개시제의 분산 용매로서 물을 사용하고, 기상증착중합과정에 유기화학용매를 전혀 사용하지 않음으로써 친환경적인 공정이라는 장점이 있다. 더욱이, 잉크젯 프린팅 공정에 사용되는 중합개시제의 함량과 기상증착중합과정에 있어서 중합 시간, 온도 등의 변수를 조절하여 얻어지는 전도성 고분자 패턴의 전기 전도성을 자유로이 조절할 수 있는 장점을 갖는다. 전도성 고분자, 잉크젯 프린팅, 기상증착중합, 패터닝
Abstract:
PURPOSE: A producing method of a polyvinyl alcohol/conductive polymer coaxial nanofiber, and the application of the nanofiber as a heavy-metal remover are provided to easily produce the nanofiber formed with conductive polymers using an electrospinning-vapor deposition polymerization process. CONSTITUTION: A producing method of a polyvinyl alcohol/conductive polymer coaxial nanofiber comprises the following steps: electrospinning a polyvinyl alcohol solution for obtaining polyvinyl alcohol nanofibers; soaking metal ions into the polyvinyl alcohol nanofibers; and performing an electrospinning-vapor deposition polymerization process with the polyvinyl alcohol nanofibers. The concentration of polyvinyl alcohol in the polyvinyl alcohol solution for electrospinning is 1~100.
Abstract:
PURPOSE: A method for fabricating uniform titania core/shell nano particles doped with silica/nitrogen and the application of the nano particles are provided to obtain the nano particles without the additional introduction of dopant. CONSTITUTION: A method for fabricating uniform titania core/shell nano particles doped with silica/nitrogen includes the following: Silica nano particles are dispersed in the mixed solution of ethanol, acetonitrile, and ammonia solution. Titanium dioxide precursor and nitrogen dopant are added to the dispersed solution. An interfacial sol-gel reaction is occurred on the surface of the silica nano particles on which ammonium ions are introduced. The dispersed solution is dried and is thermally processed. The nitrogen is efficiently doped with titanium dioxide crystalline.
Abstract:
PURPOSE: A manufacturing method of an olfactory sense nano biosensor which combines the human olfactory receptor protein and a conductivity polymer nanofiber is provided to attach the human olfactory receptor protein which applies to the receptor to the 1D conductive polymer nano material, thereby providing unlabelled FET olfactory nano bio sensor. CONSTITUTION: An electrode substrate is a surface modified to amine radical. The conductivity polymer nanomaterial having functional group uses condensation reaction and is fixed to the electrode substrate which is surface-modified. As the olfactory receptor protein uses the condensation reaction, the conductive polymer nano material having the functional group fixed to the electrode substrates is attached. An electric signal according to the chemical/electrical characteristic change between a first and a second transistor uses a FET(Field Effect Transistor) array utilizing the nano biosensor medium and is detected.
Abstract:
PURPOSE: A producing method of a polyrhodanine nanoparticle is provided to economically mass-produce nano sized OLYRHODANINE particles with an easy polymerization condition. CONSTITUTION: A producing method of a polyrhodanine nanoparticle comprises the following steps: inserting a dispersion stabilizer to distilled water and dispersing by strongly stirring; adding an oxidizer to the solution and stirring; inserting a rhodanine monomer to the solution for a polymerizing process; inserting the distilled water to the polymerized solution to dissolve the non-reacted stabilizer and oxidizer for obtaining the spherical polyrhodanine nanoparticle.
Abstract:
PURPOSE: A method for fabricating molecular imprinted polymer nanotube is provided to obtain a membrane for enabling chemical separation using a composite which is composed of a hard template and the molecular imprinted polymer nanotube using a separation membrane. CONSTITUTION: A method for manufacturing molecular imprinted polymer nanotube comprises the following steps: manufacturing a solution by mixing a template molecule and a monomer which is capable of chemically combining with the template molecule; manufacturing the molecular imprinted polymer nanotube by introducing the solution to a hard template and introducing a crosslinking agent using a vapor deposition method; eliminating the template molecule from the molecular imprinted polymer nanotube; and applying the composite comprising the template molecule and the molecular imprinted polymer nanotube to a separation membrane which is capable of selectively separating the template molecule.