New carbon xerogel-TiO2 composites with high performance as visible-light photocatalysts for dye mineralization
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- 作者：Esther Bailó ; n-Garcí ; aa ; Abdelhakim Elmouwahidia ; Miguel A. Á ; lvarezb ; Francisco Carrasco-Marí ; na ; Agustí ; n F. Pé ; rez-Cadenasa ; Francisco J. Maldonado-Hó ; dara ; fjmaldon@ugr.es" class="auth_mail" title="E-mail the corresponding author
- 关键词：Carbon xerogels ; Carbon-TiO2 composites ; Visible photocatalysts ; Synergetic effect
- 刊名：Applied Catalysis B: Environmental
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：201
- 期：Complete
- 页码：29-40
- 全文大小：2116 K
文摘
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Carbon xerogels-TiO2 composites were prepared by sol-gel synthesis.
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TiO2 nanoparticles are highly and homegeneously dispersed on the carbon matrix.
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Carbonization induces the formation of oxygen vacancies.
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The synergetic behaviour provokes band gap tuning and photocatalytic activity under visible light.
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Dye is totally mineralized avoiding toxicity in water.