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公开(公告)号：KR1020120005749A
公开(公告)日：2012-01-17
申请号：KR1020100066381
申请日：2010-07-09
Applicant: 한국과학기술원
Abstract: PURPOSE: Fluorescent hollow silica nanoparticles and a producing method thereof are provided to stably mass produce a core unit with a big hollow hole inside the nanoparticles. CONSTITUTION: Fluorescent hollow silica nanoparticles comprise the following: a core unit with a hollow hole having the diameter of 1-100nm; a silica shell unit surrounding the core unit; and fluorescent materials contained in the silica shell unit. A producing method of the fluorescent hollow silica nanoparticles comprises the following steps: applying the fluorescent materials to a synthesis process of silica nanoparticle; and processing the obtained fluorescent silica nanoparticles with hydrofluoric acid for producing pores inside the nanoparticles.
Abstract translation: 目的：提供荧光中空二氧化硅纳米颗粒及其制备方法，以稳定地大量生产纳米颗粒内部具有大空心孔的芯单元。 构成：荧光中空二氧化硅纳米颗粒包括以下：具有中空孔的核心单元，其直径为1-100nm; 围绕所述核心单元的二氧化硅壳单元; 和包含在二氧化硅壳单元中的荧光材料。 荧光中空二氧化硅纳米颗粒的制备方法包括以下步骤：将荧光物质施加到二氧化硅纳米颗粒的合成过程中; 并用氢氟酸处理得到的荧光二氧化硅纳米粒子，以在纳米粒子内产生孔。
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公开(公告)号：KR101218204B1
公开(公告)日：2013-01-03
申请号：KR1020100066381
申请日：2010-07-09
Applicant: 한국과학기술원
Abstract: 본발명은형광중공실리카나노입자, 이의제조방법및 이를포함하는약물전달체에관한것으로서, 더욱상세하게는직경이 1 내지 100 nm의중공을가지는코어부; 상기코어부를둘러싸고있는실리카셀부; 및상기실리카셀부에도입된형광물질을 포함하는형광중공실리카나노입자와, 실리카나노입자합성시 형광물질을도입하여형광실리카나노입자를제조하는제 1 단계; 및상기형광실리카나노입자에불산을처리하여나노입자내부에공극을형성시키는제 2 단계;를포함하는형광중공실리카나노입자의제조방법및 상기형광중공실리카나노입자를포함하는약물전달체에관한것이다.
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公开(公告)号：KR101107230B1
公开(公告)日：2012-01-25
申请号：KR1020090057838
申请日：2009-06-26
Abstract: 본원발명은 실리카/탄소나노튜브의 복합체를 제조하는 방법에 관한 것으로서, 탄소나노튜브를 pH 6 이하의 산 용액에 넣고 초음파를 처리하여, 탄소나노튜브의 표면에 카르복실기를 도입하는 단계, 상기 카르복실기가 도입된 탄소나노튜브를 물에 분산시켜, 탄소나노튜브가 포함된 용액을 제조하는 단계, 상기 탄소나노튜브가 포함된 용액을 용매 및 실리카 전구체와 혼합한 후, 20 ~ 70 ℃의 온도범위에서 10 분 ~ 6 시간동안 중합하여, 탄소나노튜브의 표면에 실란 커플링제를 도입하는 단계 및 상기 실란 커플링제가 도입된 탄소나노튜브와 촉매를 혼합한 후, 초음파를 처리하는 단계를 포함한다.
탄소나노튜브, 실리카, 초음파-
公开(公告)号：KR1020110000371A
公开(公告)日：2011-01-03
申请号：KR1020090057838
申请日：2009-06-26
CPC classification number: C01B32/168 , B01J19/10 , B82B1/00 , B82B3/0009
Abstract: PURPOSE: A method for preparing a composite of silica/carbon nanotubes is provided to prepare a silica/carbon nanotube composite using ultrasonic waves in a short time. CONSTITUTION: A method for preparing a composite of silica/carbon nanotubes comprises the steps of: introducing a carboxyl group to the surface of a carbon nanotube by putting the carbon nanotube in an acid solution less than pH 6 and applying ultrasonic waves; dispersing the carbon nanotube to which a carboxyl group is introduced to prepare a solution in which the carbon nanotube is included; mixing the solution in which the carbon nanotube is included with a solvent and a silica precursor, polymerizing them at 20-70°C for 10 minutes-6 hours, and introducing a silane coupling agent to the surface of the carbon nanotube; mixing a catalyst with the carbon nanotube to which the silane coupling agent is introduced and applying ultrasonic waves.
Abstract translation: 目的：提供一种制备二氧化硅/碳纳米管复合材料的方法，以在短时间内制备使用超声波的二氧化硅/碳纳米管复合材料。 构成：制备二氧化硅/碳纳米管复合物的方法包括以下步骤：通过将碳纳米管置于低于pH 6的酸溶液中并施加超声波将羧基引入碳纳米管的表面; 分散引入羧基的碳纳米管制备其中包含碳纳米管的溶液; 将其中含有碳纳米管的溶液与溶剂和二氧化硅前体混合，在20-70℃下聚合10分钟-6小时，并将硅烷偶联剂引入到碳纳米管的表面; 将催化剂与引入硅烷偶联剂的碳纳米管混合并施加超声波。
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