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One-step synthesis of monodisperse gold dendrite@polypyrrole core-shell nanoparticles and their enhanced catalytic durability

Colloidal noble metal-conducting polymer core–shell nanoparticles show promising applications in a wide diversity of areas, but it remains a great challenge to develop a convenient synthetic method allowing strict control over their size/dimension and facile modulation of their nanostructures. In th... Full description

Journal Title: Colloid and Polymer Science 2015, Vol.293(2), pp.505-512
Main Author: Hu, Weihua
Other Authors: Chen, Hongming , Li, Chang
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0303-402X ; E-ISSN: 1435-1536 ; DOI: 10.1007/s00396-014-3440-4
Link: http://dx.doi.org/10.1007/s00396-014-3440-4
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recordid: springer_jour10.1007/s00396-014-3440-4
title: One-step synthesis of monodisperse gold dendrite@polypyrrole core-shell nanoparticles and their enhanced catalytic durability
format: Article
creator:
  • Hu, Weihua
  • Chen, Hongming
  • Li, Chang
subjects:
  • One-step synthesis
  • Gold dendrite@polypyrrole
  • Core–shell nanoparticle
  • Catalytic durability
  • Methylene blue
ispartof: Colloid and Polymer Science, 2015, Vol.293(2), pp.505-512
description: Colloidal noble metal-conducting polymer core–shell nanoparticles show promising applications in a wide diversity of areas, but it remains a great challenge to develop a convenient synthetic method allowing strict control over their size/dimension and facile modulation of their nanostructures. In this work, we report the synthesis of monodisperse gold dendrite@polypyrrole (AuD@PPy) core–shell nanoparticles with an eco-friendly one-step solution reaction by triggering oxidative polymerization of pyrrole with tetrachloroauric acid. As-prepared AuD@PPy nanoparticle is composed of a gold dendrite core coated by a thin PPy shell; the size and the thickness of the PPy shell could be adjusted by simply changing the pyrrole concentration. Benefiting from the protective effect of the PPy shell, the nanoparticles demonstrate enhanced catalytic durability toward the reductive reaction of methylene blue (MB) compared with the citrate-capped gold nanoparticles (AuNPs).
language: eng
source:
identifier: ISSN: 0303-402X ; E-ISSN: 1435-1536 ; DOI: 10.1007/s00396-014-3440-4
fulltext: fulltext
issn:
  • 1435-1536
  • 14351536
  • 0303-402X
  • 0303402X
url: Link


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titleOne-step synthesis of monodisperse gold dendrite@polypyrrole core-shell nanoparticles and their enhanced catalytic durability
creatorHu, Weihua ; Chen, Hongming ; Li, Chang
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subjectOne-step synthesis ; Gold dendrite@polypyrrole ; Core–shell nanoparticle ; Catalytic durability ; Methylene blue
descriptionColloidal noble metal-conducting polymer core–shell nanoparticles show promising applications in a wide diversity of areas, but it remains a great challenge to develop a convenient synthetic method allowing strict control over their size/dimension and facile modulation of their nanostructures. In this work, we report the synthesis of monodisperse gold dendrite@polypyrrole (AuD@PPy) core–shell nanoparticles with an eco-friendly one-step solution reaction by triggering oxidative polymerization of pyrrole with tetrachloroauric acid. As-prepared AuD@PPy nanoparticle is composed of a gold dendrite core coated by a thin PPy shell; the size and the thickness of the PPy shell could be adjusted by simply changing the pyrrole concentration. Benefiting from the protective effect of the PPy shell, the nanoparticles demonstrate enhanced catalytic durability toward the reductive reaction of methylene blue (MB) compared with the citrate-capped gold nanoparticles (AuNPs).
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descriptionColloidal noble metal-conducting polymer core–shell nanoparticles show promising applications in a wide diversity of areas, but it remains a great challenge to develop a convenient synthetic method allowing strict control over their size/dimension and facile modulation of their nanostructures. In this work, we report the synthesis of monodisperse gold dendrite@polypyrrole (AuD@PPy) core–shell nanoparticles with an eco-friendly one-step solution reaction by triggering oxidative polymerization of pyrrole with tetrachloroauric acid. As-prepared AuD@PPy nanoparticle is composed of a gold dendrite core coated by a thin PPy shell; the size and the thickness of the PPy shell could be adjusted by simply changing the pyrrole concentration. Benefiting from the protective effect of the PPy shell, the nanoparticles demonstrate enhanced catalytic durability toward the reductive reaction of methylene blue (MB) compared with the citrate-capped gold nanoparticles (AuNPs).
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abstractColloidal noble metal-conducting polymer core–shell nanoparticles show promising applications in a wide diversity of areas, but it remains a great challenge to develop a convenient synthetic method allowing strict control over their size/dimension and facile modulation of their nanostructures. In this work, we report the synthesis of monodisperse gold dendrite@polypyrrole (AuD@PPy) core–shell nanoparticles with an eco-friendly one-step solution reaction by triggering oxidative polymerization of pyrrole with tetrachloroauric acid. As-prepared AuD@PPy nanoparticle is composed of a gold dendrite core coated by a thin PPy shell; the size and the thickness of the PPy shell could be adjusted by simply changing the pyrrole concentration. Benefiting from the protective effect of the PPy shell, the nanoparticles demonstrate enhanced catalytic durability toward the reductive reaction of methylene blue (MB) compared with the citrate-capped gold nanoparticles (AuNPs).
copBerlin/Heidelberg
pubSpringer Berlin Heidelberg
doi10.1007/s00396-014-3440-4
pages260-272
date2015-02