INVESTIGADORES
FARFAN TORRES Elsa Monica
congresos y reuniones científicas
Título:
EFECTO DEL DOPADO DE TiO2 CON ITRIA EN LA DEGRADACION FOTOCATALITICA DE UN COLORANTE AZOICO ARTIFICIAL
Autor/es:
E. L. SHAM; R. CORNEJO; V. MURGIA; G. MORALES; E.M. FARFAN TORRES
Lugar:
Salta
Reunión:
Congreso; XVII Congreso Argentino de Catálisis y VI Congreso de Catálisis del Mercosur MERCOCAT; 2011
Institución organizadora:
Sociedad Argentina de Catálisis - INIQUI
Resumen:
Titanium Oxide (TiO2) doped with Itrium oxide (Y2O3) was prepared by means of sol-gel technique using as precursors titanium isopropoxide and yttrium acetyl acetonate and as hydrolysis agent bidistilled water at pH=6. The samples were characterized by Raman Spectroscopy, Scanning Electron Microscopy and Photoelectron Spectroscopy. Solids Y2O3?TiO2 composite oxides, were tested in photodegaradation of azo dye (tartrazine). The presence of yttrium stabilize anatase phase of TiO2, and increase its photocatalytic eficiency, thus obtaining the best rate of degradation for photocatalyst with 4% w/w of Y2O3.
