Síntesis verde y evaluación fotocatalítica del composite TiO2-GO
DOI:
https://doi.org/10.29105/ingenierias27.97-955Palabras clave:
Composite TiO2-GO, Azadirachta Indica, óxido de grafeno, Fotocatálisis, Rodamina BResumen
Se oxidaron hojuelas de grafito siguiendo el método de Hummer’s; mediante exfoliación por ultrasonido, se obtuvo óxido de grafeno, GO. El extracto en solución acuosa de hojas secas y pulverizadas de Neem (Azadirachta indica) se mezcló con el GO. Se prepararon soluciones acuosas de Isopropóxido de Titanio, las cuales se mezclaron con la solución previamente preparada del GO y el extracto de neem, obteniéndose el TiO2-GO. Variando el porcentaje de GO, se estudió la actividad fotocatalítica del composite, degradando Rodamina B, RhB. El tiempo de vida media de la RhB, calculado según el modelo de Langmuir-Hinshelwood, fue de 30 min.
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Derechos de autor 2024 Carlos Alberto Guerrero Salazar, Noé Cuauhtémoc Gaspar Villaseñor, Virgilio Ángel González González, Tania Elizabeth Guerrero Salas
Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.
