Electrocatalysis by nanoparticles: oxygen reduction on gold nanoparticles-electrodeposited platinum electrodes

MS El-Deab, T Ohsaka - Journal of Electroanalytical Chemistry, 2003 - Elsevier
O2 reduction has been performed at Au nanoparticle-electrodeposited Pt electrodes (Au/Pt
electrodes) in O2–saturated 0.1 M KOH solution. Cyclic voltammetry (CV) and rotating ring …

Tailor-designed platinum nanoparticles electrodeposited onto gold electrode: Catalytic activity for oxygen reduction

MI Awad, MS El-Deab, T Ohsaka - Journal of The …, 2007 - iopscience.iop.org
This work examines the electrocatalytic reduction of molecular oxygen at Pt nanoparticles
(nano-Pt) electrodeposited onto polycrystalline gold (poly-Au) electrode in-saturated. Cyclic …

Hydrodynamic voltammetric studies of the oxygen reduction at gold nanoparticles-electrodeposited gold electrodes

MS El-Deab, T Ohsaka - Electrochimica Acta, 2002 - Elsevier
The electrocatalytic reduction of oxygen at Au nanoparticles-electrodeposited Au electrodes
has been studied using rotating disk electrode (RDE) voltammetry in 0.5 M H2SO4. Upon …

An extraordinary electrocatalytic reduction of oxygen on gold nanoparticles-electrodeposited gold electrodes

MS El-Deab, T Ohsaka - Electrochemistry communications, 2002 - Elsevier
The cathodic reduction of oxygen has been investigated at a gold nanoparticles-
electrodeposited gold electrode in 0.5 M H2SO4 solution. Two well-defined reduction peaks …

Electrocatalytic reduction of oxygen at Au nanoparticles–manganese oxide nanoparticle binary catalysts

MS El-Deab, T Ohsaka - Journal of the Electrochemical Society, 2006 - iopscience.iop.org
The electrocatalytic reduction of molecular oxygen has been performed in-saturated solution
at binary catalysts of Au nanoparticles and manganese oxide nanoparticles …

Oxygen reduction at Au nanoparticles electrodeposited on different carbon substrates

MS El-Deab, T Sotomura, T Ohsaka - Electrochimica acta, 2006 - Elsevier
The electrocatalytic reduction of molecular oxygen (O2) has been performed in O2-saturated
0.5 M KOH solution at Au nanoparticles electrodeposited onto two different carbon …

Activity-composition correlation of AuPt alloy nanoparticle catalysts in electrocatalytic reduction of oxygen

J Luo, PN Njoki, Y Lin, L Wang, CJ Zhong - Electrochemistry …, 2006 - Elsevier
This paper reports the findings of an investigation of the correlation between the catalytic
activity and the bimetallic composition of carbon-supported gold–platinum (AuPt/C) …

Carbon black supported gold nanoparticles for oxygen electroreduction in acidic electrolyte solution

M Bron - Journal of Electroanalytical Chemistry, 2008 - Elsevier
Oxygen reduction in acidic electrolyte solution has been studied at various Au/C catalysts
with different support materials and different gold particle sizes. The peak potential in cyclic …

Morphological selection of gold nanoparticles electrodeposited on various substrates

MS El-Deab, T Sotomura… - Journal of the …, 2005 - iopscience.iop.org
Gold nanoparticles with different morphologies (nanocrystallites, perfect nanospheres,
plumbs, and nanoaggregates) have been electrodeposited on different substrates, namely …

Electrochemical designing of Au/Pt core shell nanoparticles as nanostructured catalyst with tunable activity for oxygen reduction

J Zhai, M Huang, S Dong - Electroanalysis: An International …, 2007 - Wiley Online Library
Au/Pt core shell nanoparticles (NPs) have been prepared via a layer‐by‐layer growth of Pt
layers on Au NPs using underpotential deposition (UPD) redox replacement technique. A …