Abstract
It was found that bands at 739, 963, and 1107 cm-1 in the resonant Raman spectra are characteristics of framework penta-coordinated NbV -OH species, and that a band at 1336 cm-1 in the UV Raman spectrum with excitation line at 320 nm is a sensitive detector for identifying extra-framework niobium species. The change of framework penta-coordinated NbV -OH species into Nb+ and NbO- species due to dehydration was definitively confirmed based on UV resonance Raman and UV/Vis results.
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Schedule a callMore From: Chemphyschem : a European journal of chemical physics and physical chemistry
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