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Raman spectroscopy is known as a powerful technique for solid catalyst characterization as it provides vibrational fingerprints of (metal) oxides, reactants, and products. It can even become a strong surface‐sensitive technique by implementing shell‐isolated surface‐enhanced Raman spectroscopy (SHINERS). Au@TiO2 and Au@SiO2 shell‐isolated nanoparticles (SHINs) of various sizes were therefore prepared...
Shell‐isolated metal nanoparticles consisting of Au cores with nanometers‐thin TiO2 and SiO2 coatings are used to enhance the Raman scattering of adsorbates. The Au cores enhance the Raman scattering by a factor of 105, making Raman spectroscopy effectively a surface sensitive technique. In this work, we develop the required materials as well as the related measurement protocols for performing shell‐isolated...
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