The interaction of NOx on Ni(111) surface investigated with quantum-chemical calculations

Literature Information

Publication Date 2010-09-22
DOI 10.1039/C004291A
Impact Factor 3.676
Authors

Shiuan-Yau Wu, Jia-Jen Ho


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Abstract

We applied periodic density-functional theory to investigate the interaction of NOx on Ni(111) surface for small and large coverages. For a small coverage, adsorbed species, such as NO, N2O and NO2, tend to dissociate to form atomic N and atomic O on the surface, but a large barrier, 2.34 eV, hinders the recombination of adsorbed N to form N2. At a large coverage, the recombination of N and NO to form N2O is favorable; this species might either desorb or break the N–O bond to form N2. Our calculated results agree satisfactorily with experimental observations. The formation of N2via paths that vary with coverage is analyzed and discussed.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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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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