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Incorporation of 3D crumpled graphene in nanostructured TiO2 films for dye-sensitized solar cells
- Issue Date
- Mar-2015
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Three-dimensional crumpled graphene; TiO2 photoanode; Dye-sensitized solar cell (DSSC); Aerosol spray-drying process
- Citation
- MATERIALS LETTERS, v.142, pp.304 - 307
- Journal Title
- MATERIALS LETTERS
- Volume
- 142
- Start Page
- 304
- End Page
- 307
- ISSN
- 0167-577X
- Abstract
- The characteristics of three-dimensional crumpled graphene (3D CGR) incorporated into TiO2 photoanode film for dye-sensitized solar cells (DSSCs) were investigated. The 3D CGR was prepared from a colloidal solution of graphene oxide (GO) via an aerosol spray-drying process. The morphological and optical properties of the as-fabricated 3D CGR/TiO2 photoanodes were systematically investigated. Furthermore, the photovoltaic characteristics of DSSCs fabricated with 3D CGR/TiO2 photoanodes with different amounts of 3D CGR were investigated. The DSSCs fabricated with the 3D CGR/TiO2 photoanode (3D CGR/TiO2=0.01) showed the highest conversion efficiency of 6.3%, which was approximately 47% higher than that of a DSSC fabricated with a pure TiO2 photoanode. (C) 2014 Elsevier B.V. All rights reserved.
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Related Researcher
- Kim, Jiwoong
- College of Engineering (Department of Materials Science and Engineering)