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Growth of gold/zinc sulphide multilayer films using layer-by-layer assembly of colloidal nanoparticles

Identifieur interne : 006641 ( Main/Repository ); précédent : 006640; suivant : 006642

Growth of gold/zinc sulphide multilayer films using layer-by-layer assembly of colloidal nanoparticles

Auteurs : RBID : Pascal:09-0035158

Descripteurs français

Pascal (Inist)
- Interaction électrostatique, Morphologie surface, Constante optique, Spectre absorption, Epaisseur, Rugosité, Liaison ionique, Caractéristique courant tension, Dépôt immersion, Effet redresseur, Or, Sulfure de zinc, Multicouche, Nanoparticule, Suspension colloïdale, ZnS, Croissance couche par couche.
Wicri :
- concept : Or.

English descriptors

KwdEn :
- Absorption spectra, Colloidal suspension, Dip coating, Electrostatic interaction, Gold, IV characteristic, Ionic bonds, Layer by layer growth, Multilayers, Nanoparticles, Optical constants, Rectification, Roughness, Surface morphology, Thickness, Zinc sulfide.

Abstract

Fabrication of multilayer thin films through layer-by-layer (Ibl) deposition of charged nanoparticles on tin-doped indium oxide (ITO) coated and uncoated glass substrates are reported. The thin films were constructed by alternately dipping a substrate into a colloidal suspension of chitosan capped zinc sulphide (ZnS) nanoparticles (∼30 nm) and citrate stabilized colloidal gold (Au) nanoparticles (∼20 nm) leading to electrostatic interactions between the oppositely charged nanoparticle layers. Thin films consisting of up to 200 deposition cycles by multiple dipping have been studied and surface morphology, changes in the optical absorption characteristics, thickness, uniformity, roughness and electrical characteristics are reported. The multilayered assemblies, attached to the surface by strong ionic bonds, were highly stable and could not be removed by moderate scratching. The current-voltage characteristics in the forward and reverse bias conditions demonstrated rectifying behaviors in the onset of conduction voltage which makes these films attractive for future electronic devices.

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Pascal:09-0035158

Le document en format XML

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<author><name sortKey="Promnimit, S" uniqKey="Promnimit S">S. Promnimit</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Center of Excellence in Nanotechnology, School of Engineering and Technology, Asian Institute of Technology</s1>
<s2>Klong Luang, Pathumthani 12120</s2>
<s3>THA</s3>
<sZ>1 aut.</sZ>
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<country>Thaïlande</country>
<wicri:noRegion>Klong Luang, Pathumthani 12120</wicri:noRegion>
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</author>
<author><name sortKey="Cavelius, C" uniqKey="Cavelius C">C. Cavelius</name>
<affiliation wicri:level="3"><inist:fA14 i1="02"><s1>CVD Division, Leibniz-Institute for New Materials, Stadtwald Rd.-D2 2 Bldg</s1>
<s2>66121 Saarbruecken</s2>
<s3>DEU</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<country>Allemagne</country>
<placeName><region type="land" nuts="2">Sarre (Land)</region>
<settlement type="city">Sarrebruck</settlement>
</placeName>
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</author>
<author><name sortKey="Mathur, S" uniqKey="Mathur S">S. Mathur</name>
<affiliation wicri:level="3"><inist:fA14 i1="02"><s1>CVD Division, Leibniz-Institute for New Materials, Stadtwald Rd.-D2 2 Bldg</s1>
<s2>66121 Saarbruecken</s2>
<s3>DEU</s3>
<sZ>2 aut.</sZ>
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<country>Allemagne</country>
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<author><name sortKey="Dutta, J" uniqKey="Dutta J">J. Dutta</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Center of Excellence in Nanotechnology, School of Engineering and Technology, Asian Institute of Technology</s1>
<s2>Klong Luang, Pathumthani 12120</s2>
<s3>THA</s3>
<sZ>1 aut.</sZ>
<sZ>4 aut.</sZ>
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<country>Thaïlande</country>
<wicri:noRegion>Klong Luang, Pathumthani 12120</wicri:noRegion>
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<date when="2008">2008</date>
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<title level="j" type="abbreviated">Physica ( E) low-dimens.  syst.  nanostrut.</title>
<title level="j" type="main">Physica. E, low-dimentional systems and nanostructures</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption spectra</term>
<term>Colloidal suspension</term>
<term>Dip coating</term>
<term>Electrostatic interaction</term>
<term>Gold</term>
<term>IV characteristic</term>
<term>Ionic bonds</term>
<term>Layer by layer growth</term>
<term>Multilayers</term>
<term>Nanoparticles</term>
<term>Optical constants</term>
<term>Rectification</term>
<term>Roughness</term>
<term>Surface morphology</term>
<term>Thickness</term>
<term>Zinc sulfide</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Interaction électrostatique</term>
<term>Morphologie surface</term>
<term>Constante optique</term>
<term>Spectre absorption</term>
<term>Epaisseur</term>
<term>Rugosité</term>
<term>Liaison ionique</term>
<term>Caractéristique courant tension</term>
<term>Dépôt immersion</term>
<term>Effet redresseur</term>
<term>Or</term>
<term>Sulfure de zinc</term>
<term>Multicouche</term>
<term>Nanoparticule</term>
<term>Suspension colloïdale</term>
<term>ZnS</term>
<term>Croissance couche par couche</term>
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<keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Or</term>
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<front><div type="abstract" xml:lang="en">Fabrication of multilayer thin films through layer-by-layer (Ibl) deposition of charged nanoparticles on tin-doped indium oxide (ITO) coated and uncoated glass substrates are reported. The thin films were constructed by alternately dipping a substrate into a colloidal suspension of chitosan capped zinc sulphide (ZnS) nanoparticles (∼30 nm) and citrate stabilized colloidal gold (Au) nanoparticles (∼20 nm) leading to electrostatic interactions between the oppositely charged nanoparticle layers. Thin films consisting of up to 200 deposition cycles by multiple dipping have been studied and surface morphology, changes in the optical absorption characteristics, thickness, uniformity, roughness and electrical characteristics are reported. The multilayered assemblies, attached to the surface by strong ionic bonds, were highly stable and could not be removed by moderate scratching. The current-voltage characteristics in the forward and reverse bias conditions demonstrated rectifying behaviors in the onset of conduction voltage which makes these films attractive for future electronic devices.</div>
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<fC01 i1="01" l="ENG"><s0>Fabrication of multilayer thin films through layer-by-layer (Ibl) deposition of charged nanoparticles on tin-doped indium oxide (ITO) coated and uncoated glass substrates are reported. The thin films were constructed by alternately dipping a substrate into a colloidal suspension of chitosan capped zinc sulphide (ZnS) nanoparticles (∼30 nm) and citrate stabilized colloidal gold (Au) nanoparticles (∼20 nm) leading to electrostatic interactions between the oppositely charged nanoparticle layers. Thin films consisting of up to 200 deposition cycles by multiple dipping have been studied and surface morphology, changes in the optical absorption characteristics, thickness, uniformity, roughness and electrical characteristics are reported. The multilayered assemblies, attached to the surface by strong ionic bonds, were highly stable and could not be removed by moderate scratching. The current-voltage characteristics in the forward and reverse bias conditions demonstrated rectifying behaviors in the onset of conduction voltage which makes these films attractive for future electronic devices.</s0>
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<s5>08</s5>
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<s5>19</s5>
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<fC03 i1="16" i2="3" l="FRE"><s0>ZnS</s0>
<s4>INC</s4>
<s5>53</s5>
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<fC03 i1="17" i2="3" l="FRE"><s0>Croissance couche par couche</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="17" i2="3" l="ENG"><s0>Layer by layer growth</s0>
<s4>CD</s4>
<s5>96</s5>
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Growth of gold/zinc sulphide multilayer films using layer-by-layer assembly of colloidal nanoparticles

Growth of gold/zinc sulphide multilayer films using layer-by-layer assembly of colloidal nanoparticles

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri