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Sol-gel synthesis and characterization of V2O5 powders (CROSBI ID 100695)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Gotić, Marijan ; Popović, Stanko ; Ivanda, Mile ; Musić, Svetozar Sol-gel synthesis and characterization of V2O5 powders // Materials letters, 57 (2003), 21; 3186-3192. doi: 10.1016/S0167-577X(03)00022-3

Podaci o odgovornosti

Gotić, Marijan ; Popović, Stanko ; Ivanda, Mile ; Musić, Svetozar

engleski

Sol-gel synthesis and characterization of V2O5 powders

V2O5 particles were precipitated by the sol-gel method, then subjected to heat treatment. Samples were analyzed using XRD, TGA/DTA, FT-IR, Raman and transmission electron microscopy (TEM) techniques. XRD showed an amorphous-like structure of these particles with the beginning of their crystallization, whereas TEM showed their fibrillar morphology. In the FT-IR spectrum of the starting sample, not all bands typical of the crystalline V2O5 spectrum were developed. The Raman spectrum showed all bands Of V2O5, however, with a significant broadening. The fibrillar morphology Of V2O5 particles was disappearing with increase in the heating temperature, and at 600 degreesC, only big particles of irregular shape were obtained. Heating of the starting V2O5 particles in argon atmosphere up to 600 degreesC produced the V3O5. phase as associated with the predominant V2O5 phase.

VANADIUM PENTOXIDE GELS ; X-RAY-DIFFRACTION ; RAMAN-SPECTROSCOPY ; LATTICE-VIBRATIONS ; FILMS ; PHASE

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Podaci o izdanju

57 (21)

2003.

3186-3192

objavljeno

0167-577X

10.1016/S0167-577X(03)00022-3

Povezanost rada

Fizika, Kemija

Poveznice
Indeksiranost