期刊
MATERIALS RESEARCH BULLETIN
卷 95, 期 -, 页码 578-587出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2017.08.029
关键词
TiO2; Graphene; Hydrothermal; Photocatalytic activity
资金
- People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme (FP7)
- ACCIO under REA [600388, TECSPR13-1-0038]
- MINECO [ENE2015-63969-R]
In this study, two different preparation methods of titanium dioxide nanoparticles/reduced graphene oxide nanocomposites were investigated using direct sol-gel method followed by hydrothermal treatment or simple hydrothermal route. A different amount of graphene (1-20%) was mixed with TiO2 for both series of samples in order to improve the photocatalytic activity. The influence of the preparation method on the physico-chemical properties was established by different characterization methods and the photocatalytic degradation of methylene blue (MB) under UV light irradiation was used as test reaction. The highest photocatalytic activity was observed for the nanocomposites containing 10 wt% of graphene. The elimination of MB can reach 93% and 82% for the nanocomposites with 10 wt% graphene prepared by the sol-gel and hydrothermal methods, respectively. These photocatalysts are promising for practical application in nanotechnology.
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