Recent Advances in Bimetallic Nanoporous Gold Electrodes for Electrochemical Sensing

MS Islam, S Banik, MM Collinson - Nanomaterials, 2023 - mdpi.com
Bimetallic nanocomposites and nanoparticles have received tremendous interest recently
because they often exhibit better properties than single-component materials. Improved …

Ultralow Pt loading nanoporous Au-Cu-Pt thin film as highly active and durable catalyst for formic acid oxidation

Y Xie, N Dimitrov - Applied Catalysis B: Environmental, 2020 - Elsevier
Ultralow Pt loading tri-metallic nanoporous (np) Au-Cu-Pt catalysts for formic acid oxidation
(FAO) have been synthesized by electrodeposition of Au 0.27 Cu 0.70 Pt 0.03 alloy thin film …

Dealloyed nanoporous gold catalysts: from macroscopic foams to nanoparticulate architectures

GG Li, H Wang - ChemNanoMat, 2018 - Wiley Online Library
Dealloyed nanoporous Au membranes and spongy Au nanoparticles exhibit a set of unique
structural features highly desirable for heterogeneous catalysis and electrocatalysis. In this …

The mechanism of generating nanoporous Au by de-alloying amorphous alloys

EM Paschalidou, F Celegato, F Scaglione, P Rizzi… - Acta Materialia, 2016 - Elsevier
De-alloying, ie selective dissolution of alloys, is currently studied to produce nanoporous
gold items suited for use in catalysis, electrochemical applications, sensors and actuators …

Planar arrays of nanoporous gold nanowires: when electrochemical dealloying meets nanopatterning

A Chauvin, C Delacôte, L Molina-Luna… - … Applied Materials & …, 2016 - ACS Publications
Nanoporous materials are of great interest for various technological applications including
sensors based on surface-enhanced Raman scattering, catalysis, and biotechnology …

Synthesis of nanoporous Au− Cu− Pt alloy as a superior catalyst for the methanol oxidation reaction

Y Xie, C Li, SA Razek, J Fang, N Dimitrov - ChemElectroChem, 2020 - Wiley Online Library
A nanoporous (np) Au− Cu− Pt thin‐film catalyst with a fine structure and tunable
composition is synthesized by using a facile method involving successive electrodeposition …

Chemically driven phase segregation of alloy nanoparticles: a versatile route to dual-plasmonic gold@ copper chalcogenide heteronanostructures

M Sun, Z Wang, H Wang - Chemistry of Materials, 2022 - ACS Publications
Multicomponent heteronanostructures have emerged as a class of structurally and
compositionally tunable multifunctional nanomaterials whose electronic, optical, and …

Electrochemical atomic layer deposition of Pd ultrathin films by surface limited redox replacement of underpotentially deposited H in a single cell

I Achari, S Ambrozik, N Dimitrov - The Journal of Physical …, 2017 - ACS Publications
This work illustrates the application of a surface limited redox replacement (SLRR) protocol
for the electrochemical atomic layer deposition (E-ALD) of Pd ultrathin films on Au in a single …

Galvanic replacement-driven transformations of atomically intermixed bimetallic colloidal nanocrystals: effects of compositional stoichiometry and structural ordering

GG Li, M Sun, E Villarreal, S Pandey, SR Phillpot… - Langmuir, 2018 - ACS Publications
Galvanic replacement reactions dictated by deliberately designed nanoparticulate templates
have emerged as a robust and versatile approach that controllably transforms solid …

Halide-Dependent Dealloying of Cux/Auy Core/Shell Nanoparticles for Composition Analysis by Anodic Stripping Voltammetry

DK Pattadar, FP Zamborini - The Journal of Physical Chemistry C, 2019 - ACS Publications
Here, we describe the composition analysis of 5–7 nm diameter citrate-stabilized Cu/Au
core/shell nanoparticles with composition ratios of Cu1/Au x (x= 0.001–2) attached to amine …