Name: generation of zerovalent metal core nanoparticles using n-(2-aminoethyl)-3-aminosilanetriol
Uploaded: 2016-02-11T13:00:00
Description: Watch this Scientific Journal Video about Generation of Zerovalent Metal Core Nanoparticles Using n-2-aminoethyl-3-aminosilanetriol at JoVE.com

Dr. B.P.S. Chauhan would like to gratefully acknowledge William Paterson University for assigned release time (ART) award for part of the research described here and also for the research program in general.

주 : 추가의 정제로 제조 업체에서와 같이 모든 시약이 사용됩니다. 반응이 완료 절감을 보장하기 위해 UV-마주 분광법을 통해 최대 일주일 동안 관찰 하였다. 모든 반응은 벤트 후드에서 수행하고 적절한 안전 복장 장갑, 눈 고글, 및 실험실 코트를 포함한 모든 시간, 착용한다. 실버 나노 입자의 합성 (1) <ol><li> 50 ㎖ 삼각 플라스크에 직접 질산은 0.0169 g (0.1 밀리몰)을 칭량. <...

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이 논문에보고 된 염은 금속으로 시험 하였다 유일한 염이다. 그 결과,이 반응 전략은 모든 금속 염, 특히 금 작동 것이 불확실하다. 물에서 이러한 염의 용해도는 반응 시간, 형태, 및 수율의 관점에서, 반응의 결과에 영향을 미칠 수있다. 모든 반응에서 실란 이미 용해 된 금속 염 용액에 첨가 하였다. 이들 반응은 흡습성 또는 조해성 (18) 일 수있다 금속염의 작은 농?...

수요 디자이너 나노 증가 애플리케이션도록 합성의 다양한 방법을 수행. 레이저 어블 레이션 법 또는 화학적 에칭과 같은 &#39;하향식 &quot;방법은, 우수한 제어 성 및 신뢰성 서브 마이크론 수준까지 물질을 분석하는 기능을 위해 사용되어왔다. 이들 방법은 목적하는 나노 크기가 감소함에 따라 일반적으로 제조 비용을 증가 미세한 성분으로 처리 될 벌크 물질에 의존한다. 이에 합성의 다른 방법은 분자 수준에서의 합성을 제어하고 원하는 나노 구조물에 축적 &quot;상향식&quot;접근 방식이다. 이는 이러한 나노 구조 물질 (1)의 생성에 바람직한 자기 조립, 기능 수동성 및 안정성 제어의 심각한 정도를 부여한다. 분자 수준에서 작업함으로써, 하이브리드 나노 구조물의 동일한 내에 두 물질의 장점을 제공하고 생성 할 수있다레. 나노 물질은 상향식 전략을 통해 합성 같이, 방법은 입자 크기, 형태, 질감, 소수성 다공성 전하 및 기능이 제어하기 위해 이용 될 필요가있다. 금속 코어 나노 합성 초기 금속염 차례로 다른 입자의 핵을 지시 제로 가의 입자를 생성하는 촉매 공정에서 감소된다. 이는 클러스터링에 이르게 그리고 마지막으로 나노 입자 생산 3. 생성 된 나노 입자의 크기를 조절하고 용액으로부터 침전시키는 것을 방지하기 위해, 이러한 리간드, 계면 활성제, 이온 전하, 큰 중합체 안정 화제는 또한 응집 4-10에서 나노 입자를 차단하는 능력을 위해 이용된다. 이들 재료 인해 부피 기의 존재 또는 쿨롱 반발 1-3 입체 장해를 통해 하나, 나노 입자의 반 데르 발스 인력을 억제한다. t에서그의 일, 실란을 사용하여 다양한 금속 코어 나노 입자의 생성을위한 용이 한 번 포트 합성 전략, N- (2- 아미노 에틸) -3- aminosilanetriol (2- AST)는 (도 1)에 제공된다. 이 화합물에 대한 리간드는 비교적 높은 효율로 금속 나노 입자를 금속 전구체를 환원 및 안정화 할 수있다. 본 세 실라 부분은 가교 할 수있는이 그 매트릭스 (도 2) 내에서 나노 입자를 함침 실란 중합체의 상호 연결된 네트워크를 형성한다. 용이 물의 존재하에 가수 분해를 거쳐 가장 실란 달리,이 소수성 화합물은 목적, 안정성 및 제어를위한 유용 물에 안정화된다.

<table border="0" cellpadding="0" cellspacing="0" width="644">
	<tbody>
		<tr height="21">
			<td height="21" style="height:21px;width:287px;">n-(2-aminoethyl)-3-aminosilanetriol (2-AST)</td>
			<td style="width:209px;">Gelest</td>
			<td style="width:72px;">SIA0590.0</td>
			<td style="width:76px;">25% in H2O</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Silver nitrate</td>
			<td>Sigma Aldrich</td>
			<td>S6506</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Gold(III) chloride trihydrate</td>
			<td>Sigma Aldrich</td>
			<td align="right">520918</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Palladium(II) Nitrate</td>
			<td>Alfa Aesar</td>
			<td align="right">11035</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;">Deuterium Dioxide</td>
			<td>Cambridge Isotope Laboratories</td>
			<td>DLM-4-100</td>
			<td></td>
		</tr>
	</tbody>
</table>

generation of zerovalent metal core nanoparticles using n-(2-aminoethyl)-3-aminosilanetriol

In this work, a facile one-pot reaction for the formation of metal nanoparticles in a water solution through the use of n-(2-aminoethyl)-3-aminosilanetriol is presented. This compound can be used to effectively reduce and complex metal salts into metal core nanoparticles coated with the compound. By controlling the concentrations of salt and silane one is able to control reaction rates, particle size, and nanoparticle coating. The effects of these changes were characterized through transmission electron microscopy (TEM), UV-Vis spectrometry (UV-Vis), Nuclear Magnetic Resonance spectroscopy (NMR) and Fourier Transform Infrared spectroscopy (FTIR). A unique aspect to this reaction is that usually silanes hydrolyze and cross-link in water; however, in this system the silane is water-soluble and stable. It is known that silicon and amino moieties can form complexes with metal salts. The silicon is known to extend its coordination sphere to form penta- or hexa-coordinated species. Furthermore, the silanol group can undergo hydrolysis to form a Si-O-Si silica network, thereby transforming the metal nanoparticles into a functionalized nanocomposites.

나노 입자 형성은 각각의 금속 나노 입자에 대한 특징적인 피크를 생성한다으로 반응 UV-비스 분석법으로 모니터링 하였다. 합성 된 물질의 최종 분석은 TEM과 FTIR을 통해 수행되었다. FTIR 스펙트럼은 샘플의 건조 분말을 얻었다. 입도 분석은 TEM 및 평균화 결과로 얻어지는 화상으로부터 나노 입자의 직경을 측정함으로써 달성 될 수있다. <p class="jove_content" fo:keep-together.wi...

Watch this Scientific Journal Video about Generation of Zerovalent Metal Core Nanoparticles Using n-2-aminoethyl-3-aminosilanetriol at JoVE.com

Generation of Zerovalent Metal Core Nanoparticles Using n-2-aminoethyl-3-aminosilanetriol

A novel method for metal core nanoparticle synthesis using a water stable silanol is described.

영가 코어 금속 나노 입자의 생성은 사용 N- (2- 아미노 에틸) -3- aminosilanetriol

In this work, a facile one-pot reaction for the formation of metal nanoparticles in a water solution through the use of ...

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Chemistry

Generation of Zerovalent Metal Core Nanoparticles Using n-(2-aminoethyl)-3-aminosilanetriol

Using Polystyrene-block-poly(acrylic acid)-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization

Using Polystyrene-block-polyacrylic acid-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization

폴리스타이렌을 사용하여<em&gt; 블록</em&gt; 폴리 (아크릴산) 및 이들의 단독 중합체는 공중합 용 단량체로 피복 된 금속 나노 입자

We present a template-free method for &#8220;polymerizing&#8221; nanoparticles into long chains without side branches. A variety of nanoparticles are ...

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Reverse Microemulsion-mediated Synthesis of Monometallic and Bimetallic Early Transition Metal Carbide and Nitride Nanoparticles

단본위제 및 바이메탈 조기 전이 금속 탄화물 및 질화물 나노 입자의 역 마이크로 에멀젼 매개 합성

A reverse microemulsion is used to encapsulate monometallic or bimetallic early transition metal oxide nanoparticles in microporous silica shells. The ...

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles

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Plasmonic nanoparticles are an attractive material for light harvesting applications due to their easily modified surface, high surface area and large ...

Sediment Core Extrusion Method at Millimeter Resolution Using a Calibrated, Threaded-rod

교정, 스레드로드를 사용하여 미터 해상도에서 퇴적물 코어 압출 방법

Aquatic sediment core subsampling is commonly performed at cm or half-cm resolution. Depending on the sedimentation rate and depositional environment, ...

In Situ Detection and Single Cell Quantification of Metal Oxide Nanoparticles Using Nuclear Microprobe Analysis

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제자리에서 검색 및 핵 현미경 분석을 사용 하 여 금속 산화물 나노 입자의 단일 셀 정량화

Micro-analytical techniques based on chemical element imaging enable the localization and quantification of chemical composition at the cellular level. ...

Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique

A novel electrochemical cell based on a CaF2 solid-state electrolyte has been developed to measure the electromotive force (emf) of binary alkaline ...

Ligand-Mediated Nucleation and Growth of Palladium Metal Nanoparticles

Ligand 중재 Nucleation 및 팔라듐 금속 나노 입자의 성장

The size, size distribution and stability of colloidal nanoparticles are greatly affected by the presence of capping ligands. Despite the key contribution ...

Molten-Salt Synthesis of Complex Metal Oxide Nanoparticles

녹은 소금 복합 금속 산화물 나노 입자의 합성

The development of feasible synthesis methods is critical for the successful exploration of novel properties and potential applications of nanomaterials. ...

Imaging Corrosion at the Metal-Paint Interface Using Time-of-Flight Secondary Ion Mass Spectrometry

비행 시간 보조 이온 질량 분석기를 사용 하 여 금속 페인트 인터페이스의 이미징 부식

Corrosion developed at the paint and aluminum (Al) metal-paint interface of an aluminum alloy is analyzed using time-of-flight secondary ion mass ...

A Microwave-Assisted Direct Heteroarylation of Ketones Using Transition Metal Catalysis

전이 금속 촉매를 이용한 케톤 전자레인지 보조 직접 이질화

Heteroarylation introduces heteroaryl fragments to organic molecules. Despite the numerous available reactions reported for arylation via transition metal ...