One-Pot Self-Assembled Three-Dimensional TiO2-Graphene Hydrogel with Improved Adsorption Capacities and Photocatalytic and Electrochemical Activities

We reported the development of a new type of multifunctional titanium dioxide -graphene nanocomposite hydrogel by a facile one-pot hydrothermal approach and explored its environmental and energy applications as photocatalyst, reusable adsorbents, and supercapacitor

Zheye Zhang; Fei Xiao; Yunlong Guo; Shuai Wang; Yunqi Liu

2013

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  • We reported the development of a new type of multifunctional titanium dioxide-graphene nanocomposite hydrogel by a facile one-pot hydrothermal approach and explored its environmental and energy applications as photocatalyst, reusable adsorbents, and supercapacitor
  • The graphene nanosheets and TiO2 nanoparticles self-assembled into three-dimensional interconnected networks, in which the spherical nanostructured TiO2 nanoparticles with uniform size were densely anchored onto the graphene nanosheets
  • We have shown that the resultant TGH displayed the synergistic effects of the assembled graphene nanosheets and TiO2 nanoparticles and exhibited a unique collection of physical and chemical properties such as increased adsorption capacities, enhanced photocatalytic activities, and improved electrochemical capacitive performance in comparison with pristine graphene hydrogel and TiO2 nanoparticles
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