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

Title
Gas phase synthesis and physico-chemical properties of vanadium oxide nanoparticles
Author(s)
손영구김진형[김진형]신원규[신원규]박미소[박미소]
Keywords
ELECTRON-BEAM; V2O5 NANOPARTICLES; PENTOXIDE; NANOROD; FILMS
Issue Date
201406
Publisher
ELSEVIER SCI LTD
Citation
CERAMICS INTERNATIONAL, v.40, no.5, pp.7431 - 7437
Abstract
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 2p(3/2) and V 2p(1/2) 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. (c) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/32064http://dx.doi.org/10.1016/j.ceramint.2013.12.090
ISSN
0272-8842
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이과대학 > 화학생화학부 > Articles
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