Preparation and electrochemical properties of gold nanoparticles containing carbon nanotubes-polyelectrolyte multilayer thin films

A. Yu; X. Zhang; H. Zhang; D. Hannan; A.R. Knight

doi:10.1016/j.electacta.2011.02.100

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Preparation and electrochemical properties of gold nanoparticles containing carbon nanotubes-polyelectrolyte multilayer thin films

Journal article

Open access

Peer reviewed

Preparation and electrochemical properties of gold nanoparticles containing carbon nanotubes-polyelectrolyte multilayer thin films

A. Yu, X. Zhang, H. Zhang, D. Hannan and A.R. Knight

Electrochimica Acta, Vol.56(25), pp.9015-9019

2011

DOI: https://doi.org/10.1016/j.electacta.2011.02.100

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Abstract

Multi-walled carbon nanotubes (MWCNT)/polyelectrolyte (PE) hybrid thin films were fabricated by alternatively depositing negatively charged MWCNT and positively charged (diallyldimethylammonium chloride) (PDDA) via layer-by-layer (LbL) assembly technique. The stepwise growth of the multilayer films of MWCNT and PDDA was characterized by UV-vis spectroscopy. Scanning electron microscopy (SEM) images indicated that the MWCNT were uniformly embedded in the film to form a network and the coverage density of MWCNT increased with layer number. Au nanoparticles (NPs) could be further adsorbed onto the film to form PE/MWCNT/Au NPs composite films. The electron transfer behaviour of multilayer films with different compositions were studied by cyclic voltammetry using [Fe(CN) 6]3-/4- as an electrochemical probe. The results indicated that the incorporation of MWCNT and Au NPs not only greatly improved the electronic conductivity of pure polyelectrolyte films, but also provided excellent electrocatalytic activity towards the oxidation of nitric oxide (NO).

Details

Title: Preparation and electrochemical properties of gold nanoparticles containing carbon nanotubes-polyelectrolyte multilayer thin films
Authors/Creators: A. Yu (Author/Creator) - Swinburne University of Technology
X. Zhang (Author/Creator) - Murdoch University
H. Zhang (Author/Creator) - Hubei Normal University
D. Hannan (Author/Creator)
A.R. Knight (Author/Creator) - Murdoch University
Publication Details: Electrochimica Acta, Vol.56(25), pp.9015-9019
Publisher: Elsevier
Identifiers: 991005541796307891
Murdoch Affiliation: School of Chemical and Mathematical Science
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 2 Chemistry; 2.76 2D Materials; 2.76.23 Carbon Nanotubes
Web Of Science research areas: Electrochemistry
ESI research areas: Chemistry