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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

V2O5 nanoparticles obtained from a synthetic bariandite-like vanadium oxide: Synthesis, characterization and electrochemical behavior in an ionic liquid

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Author(s):
Menezes, Willian G. [1] ; Reis, Dayane M. [1] ; Benedetti, Tania M. [2] ; Oliveira, Marcela M. [1] ; Soares, Jaisa F. [1] ; Torresi, Roberto M. [2] ; Zarbin, Aldo J. G. [1]
Total Authors: 7
Affiliation:
[1] Univ Fed Parana, Dept Quim, BR-81530900 Curitiba, Parana - Brazil
[2] Univ Sao Paulo, Inst Quim, BR-05513970 Sao Paulo - Brazil
Total Affiliations: 2
Document type: Journal article
Source: Journal of Colloid and Interface Science; v. 337, n. 2, p. 586-593, SEP 15 2009.
Web of Science Citations: 49
Abstract

Highly stable and crystalline V(2)O(5) nanoparticles with an average diameter of 15 nm have been easily prepared by thermal treatment of a bariandite-like vanadium oxide, V(10)O(24)center dot 9H(2)O. Their characterization was carried out by powder X-ray diffractometry (XRD). Fourier transform infrared (FT-IR) and Raman spectroscopies, and transmission electron microscopy (TEM). The fibrous and nanostructured film obtained by electrophoretic deposition of the V(2)O(5) nanoparticles showed good electroactivity when submitted to cyclic voltammetry in an ionic liquid-based electrolyte. The use of this film for the preparation of a nanostructured electrode led to an improvement of about 50% in discharge capacity values when compared with similar electrodes obtained by casting of a V(2)O(5) xerogel. (C) 2009 Elsevier Inc. All rights reserved. (AU)