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Effect of hydrolysis catalyst and thermal treatment on titania synthesis via sol-gel

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Abstract

The effect of acidic and basic catalysts and of thermal treatment on the preparation of TiO2 by the sol-gel method has been studied. The resultant solids were characterized by UV-Vis spectroscopy. A displacement of the band due to a fundamental transition to lower energies was observed when acid catalysts were used.

Abstract

Исследовали влияние кислых и основных катализаторов, а также их термической обработки в приготовлении TiO2 с помощью твердо-гелеобразного метода. Полученные твердые образцы характеризовали с помощью УФ и видимой спектроскопии. При использовании кислых катализаторов наблюдали смещение полосы Фундаментальных переходов в область более низких энергий.

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Authors and Affiliations

  1. Universidad Autonoma Metropolitana-Iztapalapa A.P. 55-534, 09340, Mexico, D.F., Mexico

    T. Lopez & E. Sanchez

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  1. T. Lopez
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  2. E. Sanchez
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Lopez, T., Sanchez, E. Effect of hydrolysis catalyst and thermal treatment on titania synthesis via sol-gel. React Kinet Catal Lett 48, 295–300 (1992). https://doi.org/10.1007/BF02070099

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  • DOI: https://doi.org/10.1007/BF02070099

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