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 …

Size and crystallographic orientation controls of gold nanoparticles electrodeposited on GC electrodes

MS El-Deab, T Sotomura… - Journal of the …, 2004 - iopscience.iop.org
Gold nanoparticles were electrodeposited onto glassy carbon-electrodes (nano-Au/GC) in
the presence of two different additives, namely, cysteine and iodide ions. The …

On the preferential crystallographic orientation of Au nanoparticles: Effect of electrodeposition time

MS El-Deab - Electrochimica Acta, 2009 - Elsevier
The crystallographic orientation of Au nanoparticles electrodeposited at glassy carbon (nano-
Au/GC) electrodes (prepared by potential step electrolysis) is markedly influenced by the …

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 …

Electrochemistry of shape-controlled catalysts: oxygen reduction reaction on cubic gold nanoparticles

J Hernandez, J Solla-Gullon, E Herrero… - The Journal of …, 2007 - ACS Publications
This paper describes the electrochemical behavior of shape controlled, deliberately large Au
nanoparticles that have been synthesized using a seed-mediated growth method in the …

pH Dependence of the size and crystallographic orientation of the gold nanoparticles prepared by seed-mediated growth

MR Rahman, FS Saleh, T Okajima, T Ohsaka - Langmuir, 2011 - ACS Publications
The effect of the pH of the growth solution on the size and crystallographic orientation of gold
nanoparticles (GNPs) was studied during the course of the preparation of surface-confined …

In situ surface characterization and oxygen reduction reaction on shape-controlled gold nanoparticles

J Hernández, J Solla-Gullón, E Herrero… - … of nanoscience and …, 2009 - ingentaconnect.com
Gold nanoparticles of different shapes/surface structures were synthesized and
electrochemically characterized. An in-situ surface characterization of the Au nanoparticles …

Electrochemical preparation of a Au crystal with peculiar morphology and unique growth orientation and its catalysis for oxygen reduction

F Gao, MS El-Deab, T Okajima… - Journal of the …, 2005 - iopscience.iop.org
Gold nanocrystals with a peculiar pin-like morphology have been obtained on glassy carbon
(GC) electrodes by electrochemical deposition from 0.5 M solution containing 1.0 mM in the …

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 …

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 …