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Síntesis y Caracterización de TiO2 y Ag-TiO2 para uso en fotodegradación de Azul de Metileno

Authors: E.V. Luna-Gallegos; E. Ramírez-Morales; G. Pérez-Hernández; M.G. Hernández-Cruz; L. Rojas-Blanco;

Síntesis y Caracterización de TiO2 y Ag-TiO2 para uso en fotodegradación de Azul de Metileno

Abstract

Se sintetizaron polvos de dióxido de titanio (TiO2) y Ag-TiO2 por la ruta sol-gel in situ y sol-gel en dos pasos empleando como precursor de Nitrato de Plata (AgNO3). El análisis estructural se realizó mediante Difracción de Rayos X (DRX), Espectroscopía Ultravioleta-Visible (UV-Vis). La actividad fotocatalítica de TiO2 y Ag-TiO2 se evaluó mediante la degradación del Azul de Metileno (AM) bajo irradiación UV. Los resultados muestran la presencia de la fase anatasa, la cual es la fase más estable del TiO2 y ambas muestras presentan una degradación de entre un 23% a un 25% de la concentración inicial de azul de metileno, sin embargo, la muestra impurificada es la que logra comenzar a degradar más rápido, pero la muestra pura es la que tiene una mejor eficiencia fotocatalitica.

Keywords

Azul de metileno, sol-gel, compuestos de Ag-TiO2, fotocatálisis

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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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