Otro
Ion-sensing properties of 1D vanadium pentoxide nanostructures
Registro en:
Nanoscale Research Letters. New York: Springer, v. 7, p. 5, 2012.
1931-7573
10.1186/1556-276X-7-310
WOS:000310240100001
WOS000310240100001.pdf
Autor
Vieira, Nirton C. S.
Avansi, Waldir
Figueiredo, Alessandra
Ribeiro, Caue
Mastelaro, Valmor R.
Guimares, Francisco E. G.
Resumen
The application of one-dimensional (1D) V2O5 center dot nH(2)O nanostructures as pH sensing material was evaluated. 1D V2O5 center dot nH(2)O nanostructures were obtained by a hydrothermal method with systematic control of morphology forming different nanostructures: nanoribbons, nanowires and nanorods. Deposited onto Au-covered substrates, 1D V2O5 center dot nH(2)O nanostructures were employed as gate material in pH sensors based on separative extended gate FET as an alternative to provide FET isolation from the chemical environment. 1D V2O5 center dot nH(2)O nanostructures showed pH sensitivity around the expected theoretical value. Due to high pH sensing properties, flexibility and low cost, further applications of 1D V2O5 center dot nH(2)O nanostructures comprise enzyme FET-based biosensors using immobilized enzymes. Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)