Time-resolved surface differential diffraction study of Ag electrodeposition on Au(111) and the role of surface stress
文献信息
An insitu X-ray diffraction investigation using surface differential diffraction (SDD) was carried out to study the mechanism and kinetics of Ag electrodeposition on Au(111). The effect of the surface stress on SDD measurements employing a thin film electrode has been investigated, which reveals that stress-induced peak shifts can account for some inconsistency in previous SDD results. Potential dynamic and potential step modes of deposition were used and the adlayer spacing of Ag on Au(111) was determined as a function of potential and time, respectively. A structural change in adlayer spacing during Ag electrodeposition on Au(111) was observed in both modes of deposition, which is consistent with a transition from initial adsorption in a mixture of bridge and atop sites to three-fold hollow sites.
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Physical Chemistry Chemical Physics

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.














