Electrodeposition of Pt nanostructures with reproducible SERS activity and superhydrophobicity
Literature Information
Suhee Choi, Suji Kweon, Jongwon Kim
Surface-enhanced Raman scattering (SERS) activity and water wettability are important characteristic properties of nanostructured surfaces with respect to their practical applications. In the present work, we report a simple one-step electrodeposition of nanostructured Pt surfaces. The tree-like Pt nanostructures exhibited reproducible SERS activity, and they also showed superhydrophobic natures after n-dodecanethiol modification. The growth process of Pt nanostructures as a function of deposition charge was monitored using a scanning electron microscope, from which the correlation between the structural variation of the Pt nanostructures and the SERS activity and wettability was investigated. The SERS activity was dependent on the presence of sharp edge sites, whereas the wettability was dependent on the apex structures. Well-defined Pt tree nanostructures exhibited high, reproducible, and electrochemically stable SERS activity. The straightforward fabrication of multi-functional Pt nanostructures presented in this work would allow new opportunities for the application of nanostructured metal surfaces.
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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.












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