Gas phase synthesis and physico‐chemical properties of vanadium oxide nanoparticles

Add time:09/24/2019    Source:sciencedirect.com

Vanadium oxide particles are synthesized in an ambient condition using an electron beam irradiation system. The formation of vanadium oxide particles is confirmed by the vibrational modes shown in FT-IR spectra, and the binding energy of V 2p3/2 and V 2p1/2 in the X-ray photoelectron spectrum. In this work, it is also shown that the morphology and size of vanadium oxide particles are significantly influenced by the type of dilution gas, on the basis of emission transmission electron microscope (TEM). When oxygen is used as a dilution gas, single vanadium oxide particles with micron size are synthesized. However, when nitrogen is used as a dilution gas (or when the oxygen amount is significantly reduced), aggregates consisting of primary particles with the average diameter below 20 nm are synthesized. The energy dispersive X-ray (EDX) analysis confirms that vanadium oxide (V2O5) particles are synthesized.

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