Alloys in catalysis: phase separation and surface segregation phenomena in response to the reactive environment

S Zafeiratos, S Piccinin, D Teschner - Catalysis Science & Technology, 2012 - pubs.rsc.org
Alloys play a crucial role in several heterogeneous catalytic processes, and their
applications are expected to rise rapidly. This is essentially related to the vast number of …

Transition from core–shell to Janus chemical configuration for bimetallic nanoparticles

C Langlois, ZL Li, J Yuan, D Alloyeau, J Nelayah… - Nanoscale, 2012 - pubs.rsc.org
In order to determine the possibilities to control the chemical configuration of bimetallic
nanoparticles, we have considered CuAg nanoparticles synthesized by a physical route as a …

Multielement Filament Memristor Enabling Multifunctional Neuromorphic Device

M Jang, H Song, HJ Kim, JH Yoon… - Advanced Functional …, 2025 - Wiley Online Library
Memristors exhibit changes in internal resistance in response to external voltage,
introducing new functionalities to electronic devices. This enables diverse applications in …

Atomic arrangement in immiscible Ag–Cu alloys synthesized far-from-equilibrium

V Elofsson, GA Almyras, B Lü, RD Boyd, K Sarakinos - Acta Materialia, 2016 - Elsevier
Physical attributes of multicomponent materials of a given chemical composition are
determined by atomic arrangement at property-relevant length scales. A potential route to …

Ag–Cu alloy surfaces in an oxidizing environment: A first-principles study

S Piccinin, C Stampfl, M Scheffler - Surface science, 2009 - Elsevier
Recent experiments on model catalysts have shown that Ag–Cu alloys have improved
selectivity with respect to pure silver for ethylene epoxidation. In this paper, we review our …

Alloying effect in silver-based dilute nanoalloy catalysts for oxygen reduction reactions

N Zhang, F Chen, Y **, J Wang, T **, B Kou - Journal of Catalysis, 2020 - Elsevier
To address the sluggish kinetics of the electrochemical oxygen reduction reaction (ORR), we
consider a family of silver-based dilute nanoalloys by alloying the Ag (1 1 1) with one 3d …

First-principles investigation of Ag-Cu alloy surfaces in an oxidizing environment

S Piccinin, C Stampfl, M Scheffler - Physical Review B—Condensed Matter and …, 2008 - APS
In this paper, we investigate by means of first-principles density functional theory
calculations the (111) surface of the Ag-Cu alloy under varying conditions of pressure of the …

Highly Efficient Double‐Side‐Emitting Electroluminescent Quantum Dot Thin Film with Transparent MoO3/Ag:Cu/MoO3 Electrode Prepared by Thermal Co …

S Yang, HS Chen - Advanced Materials Technologies, 2023 - Wiley Online Library
See‐through double‐side‐emitting electroluminescent quantum‐dot light‐emitting‐diodes
(QLEDs) with highly transparent tri‐layer MoO3/Ag: Cu/MoO3 electrode is demonstrated in …

Tailoring plasmonic resonances in Cu-Ag metal islands films

M Bubaš, V Janicki, SA Mezzasalma, MC Spadaro… - Applied surface …, 2021 - Elsevier
The plasmonic response of Cu-Ag metal islands films is investigated. Films are obtained by
subsequent electron beam deposition of Ag and Cu using different fabrication conditions …

Selective Epoxidation of 1, 3-Butadiene on AgCu Near-Surface Alloys

LA Cramer, AS Daniels, V Çinar… - The Journal of …, 2022 - ACS Publications
Bimetallic AgCu catalysts have gained considerable interest, as both metals have
demonstrated ability to perform selective oxidation reactions. Many of these studies have …