Structural control of gold nanoparticlesself-assemblies by layer-by-layer process

This work presents a novel way to introduce gold nanoparticles (Au NPs) in a multilayer polymer produced by the layer-by-layer (LbL) assembling technique. The technique chosen shows that, depending on the pH used, different morphological structures can be obtained from monolayer or bilayer Au NPs. T...

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Main Authors Machado, Giovanna, Feil, Adriano F, Migowski, Pedro, Rossi, Liane, Giovanela, Marcelo, Crespo, Janaina da S, Miotti, Leonardo, Sortica, Maurício A, Grande, Pedro L, Pereira, Marcelo B, Correia, Ricardo R. B
Format Journal Article
LanguageEnglish
Published 06.04.2011
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Abstract This work presents a novel way to introduce gold nanoparticles (Au NPs) in a multilayer polymer produced by the layer-by-layer (LbL) assembling technique. The technique chosen shows that, depending on the pH used, different morphological structures can be obtained from monolayer or bilayer Au NPs. The MEIS and RBS techniques allowed for the modelling of the interface polymer-NPs, as well as the understanding of the interaction of LbL system, when adjusting the pH in weak polyelectrolytes. The process reveals that the optical properties of multilayer systems could be fine-tuned by controlling the addition of metallic nanoparticles, which could also modify specific polarization responses. This work presents a novel way to introduce gold nanoparticles in a multilayer polymer produced by the layer-by-layer (LbL) assembling technique.
AbstractList This work presents a novel way to introduce gold nanoparticles (Au NPs) in a multilayer polymer produced by the layer-by-layer (LbL) assembling technique. The technique chosen shows that, depending on the pH used, different morphological structures can be obtained from monolayer or bilayer Au NPs. The MEIS and RBS techniques allowed for the modelling of the interface polymer-NPs, as well as the understanding of the interaction of LbL system, when adjusting the pH in weak polyelectrolytes. The process reveals that the optical properties of multilayer systems could be fine-tuned by controlling the addition of metallic nanoparticles, which could also modify specific polarization responses. This work presents a novel way to introduce gold nanoparticles in a multilayer polymer produced by the layer-by-layer (LbL) assembling technique.
Author Migowski, Pedro
Sortica, Maurício A
Crespo, Janaina da S
Feil, Adriano F
Giovanela, Marcelo
Grande, Pedro L
Machado, Giovanna
Miotti, Leonardo
Pereira, Marcelo B
Correia, Ricardo R. B
Rossi, Liane
AuthorAffiliation Universidade Federal do Rio Grande do Sul - IQ-UFRGS
Universidade Federal de Pernambuco - UFPE
North Carolina State University
Universidade de São Paulo - IQ-USP
Instituto de Física
Universidade de Caxias do Sul - UCS
Centro de Tecnologias Estratégica do Nordeste - CETENE
Universidade Federal do Rio Grande do Sul - IF-UFRGS
Department of Physics
Instituto de Química
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  surname: Correia
  fullname: Correia, Ricardo R. B
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  publication-title: Principles of optics: electromagnetic theory of propagation, interference and diffraction of light
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