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) …

Electrocatalytic reduction of oxygen: Gold and gold-platinum nanoparticle catalysts prepared by two-phase protocol

MM Maye, NN Kariuki, J Luo, L Han, P Njoki, L Wang… - Gold Bulletin, 2004 - Springer
This paper describes recent results of an investigation of gold (Au) and gold-platinum (AuPt)
nanoparticle electrocatalysts for fuel cell reaction at the cathode, ie, oxygen reduction …

Influence of the composition of core–shell Au–Pt nanoparticle electrocatalysts for the oxygen reduction reaction

X Li, J Liu, W He, Q Huang, H Yang - Journal of colloid and interface …, 2010 - Elsevier
Carbon-supported bimetallic Au–Pt nanoparticle catalysts with a core–shell structure were
prepared by the successive reduction method. UV–vis spectra, TEM, XPS, and XRD …

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 …

Electroreduction of oxygen on carbon-supported gold catalysts

H Erikson, G Jürmann, A Sarapuu, RJ Potter… - Electrochimica …, 2009 - Elsevier
The electrochemical reduction of oxygen was studied on Au/C catalysts (20 and 30wt%) in
0.5 M H2SO4 and 0.1 M KOH solutions using the rotating disk electrode (RDE) method. The …

Electrocatalysis by design: Effect of the loading level of Au nanoparticles–MnOx nanoparticles binary catalysts on the electrochemical reduction of molecular oxygen

MS El-Deab, T Ohsaka - Electrochimica acta, 2007 - Elsevier
This study concerns the efficient electrochemical reduction of molecular oxygen (O2), in O2-
saturated 0.1 M KOH solution, to OH− through a four-electron reduction pathway by a novel …

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 …

Substrate effect on oxygen reduction electrocatalysis

L Timperman, YJ Feng, W Vogel, N Alonso-Vante - Electrochimica Acta, 2010 - Elsevier
The oxygen reduction reaction (ORR) was investigated on carbon (XC-72) supported
platinum nanoparticles, generated via the carbonyl chemical route and on oxide composites …

Oxygen reduction reaction at binary and ternary nanocatalysts based on Pt, Pd and Au

S Lankiang, M Chiwata, S Baranton, H Uchida… - Electrochimica …, 2015 - Elsevier
Carbon-supported monometallic, binary and ternary nanocatalysts based on Pt, Pd and Au
were synthesized by a “water in oil” microemulsion method and characterized by atomic …

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 …