Bimetallic alloys in action: dynamic atomistic motifs for electrochemistry and catalysis

Literature Information

Publication Date 2014-06-20
DOI 10.1039/C4CP01591F
Impact Factor 3.676
Authors

Jonathan E. Mueller, Petr Krtil, Ludwig A. Kibler, Timo Jacob


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Abstract

Bimetallic alloys show great promise for applications in a wide range of technologies related to electrochemistry and heterogeneous catalysis. The alloyed nature of these materials supports the existence of surface phenomena and structural motifs not present in single-component materials. These novel features result in electrochemical and catalytic behaviors, requiring entirely new categories of explanations. In this perspective concrete examples are used to illustrate several of these chemical and structural features, which are unique to multi-component metal surfaces. The influence of the surface's structure and surroundings (e.g. adsorbates) on each other provides a common thread, with the emergence of dynamic surfaces as its terminus. In considering three model systems (PtRu, PtNi and AuPd), we discuss not only a selection of surface phenomena relevant to each, but also the implications of these alloy-related behaviors for the electrochemical and catalytic properties of each surface.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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