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http://dx.doi.org/10.11629/jpaar.2013.9.2.051

Preparation of graphene-$TiO_2$ composite by aerosol process and it's characterization for dye-sensitized solar cell  

Jo, Eun Hee (Korea Institute of Geoscience & Mineral Resources)
Kim, Sun Kyung (Korea Institute of Geoscience & Mineral Resources)
Jang, Hee Dong (Korea Institute of Geoscience & Mineral Resources)
Chang, Hankwon (Korea Institute of Geoscience & Mineral Resources)
Roh, Ki-Min (Korea Institute of Geoscience & Mineral Resources)
Kim, Tae-Oh (Kumoh National Institute of Technology)
Publication Information
Particle and aerosol research / v.9, no.2, 2013 , pp. 51-57 More about this Journal
Abstract
A graphene(GR)-$TiO_2$ composite was synthesized from colloidal mixture of graphene oxide(GO) nanosheets and $TiO_2$ nanoparticles by an aerosol assisted self-assembly. The morphology, specific surface area and pore size of asprepared GR-$TiO_2$ composite were characterized by FE-SEM, BET, and BJH respectively. The shape of GR-$TiO_2$ composite was spherical. The average particle size was 0.5-1 ${\mu}m$ in diameter and the pore diameter ranged 20-50 nm. Photovoltaic characteristics of a mixture of the GR-$TiO_2$ and $TiO_2$ nanoparticles were measured by a solar simulator under simulated solar light. The highest photoelectric conversion efficiency of the mixture photoanode was 5.1%, which was higher than that of $TiO_2$ photoanode.
Keywords
Dye-Sensitized Solar Cell; $TiO_2$; Graphene; Composite;
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