Synonyms Nanostructured SERS-active metal oxides Definition A metal oxide is a chemical compound that contains one metal element and at least one oxygen atom. If one of the characteristic dimensions of the material was at the nanoscale, thus, it was called metal oxide nanostructure. Thanks to ...
举例:In order to obtain better confirmation on the presence of H4SiMo12O40, Raman spectroscopic investigation was also conducted, because Raman spectroscopy is a sensitive technique to study supported metal oxide and it is complementary to IR investigation. The Raman spectra of the Mo(VI)@mSiO2an...
Raman spectroscopy of transition metal dichalcogenides (TMDs) is reviewed based on our recent theoretical and experimental works. First, we discuss the semi-classical and quantum mechanical description for the polarization dependence of Raman spectra of TMDs in which the optical dipole transition matrix ...
The interaction of chromium oxide with Al2O3, TiO2 and SiO2 supports is investigated with Raman spectroscopy. The influence of the nature of the oxide support, calcination temperature and chromium oxide loading upon the molecular state of the supported chromium oxide is determined. The Raman studies...
intensity distributions among the observable modes (e.g., the skeletal breathing frequency of benzene) compared with those observed by infrared spectroscopy and because Raman spectra of species on oxide-supported metals have a much wider metal oxide- transparent wavenumber range than infrared spectra. ...
Single nanoparticle SERS probes of ion intercalation in metal-oxide electrodes. Nano Lett. 14, 495–498 (2014). Article CAS Google Scholar Berweger, S. et al. Optical nanocrystallography with tip-enhanced phonon Raman spectroscopy. Nat. Nanotechnol. 4, 496–499 (2009). Article CAS Google ...
Recent in situ laser Raman spectroscopy (LRS) studies revealed that crystalline oxides (3-dimensional oxide phases) and supported metal oxides (2-dimensional oxide phases) exhibit different responses to thermal treatments in a controlled environment of dry air. For crystalline oxides the thermal treatme...
In situ Raman spectroscopy reveals the structure and dissociation of interfacial water Abstract Understanding the structure and dynamic process of water at the solid–liquid interface is an extremely important topic in surface science, energy science and catalysis1,2,3. As model catalysts, atomically ...
It was found that Raman spectroscopy is a powerful complement to TEM in investigating the very thin oxide layers involved and that: (i) the oxides grow as oriented crystallites with an abrupt interface to the underlying V, regardless of the surface structures; and (ii) the nature of the ...
°C. Operando and in situ Raman spectroscopy are used to determine the near-surface structure of α-Mn2O3 nanocrystals during the adsorption and oxidation of CO for the first time. A surface phase transformation from α-Mn2O3 to Mn