Effect of hydrolysis catalyst and thermal treatment on titania synthesis via sol-gel |
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| Authors: | T Lopez and E Sanchez |
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| Institution: | (1) Universidad Autonoma Metropolitana-Iztapalapa A.P. 55-534, 09340 Mexico, D.F., Mexico |
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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.
                 ,        TiO2    - .      .  .
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