The Effect of Phosphor-TiO2 Layer on the Performance of Dye-Sensitized Solar Cells
- Authors
- Shin, Seong Gwan; Bark, Chung Wung; Choi, Hyung Wook
- Issue Date
- 2-Sep-2014
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- phosphor; nanoparticles; DSSCs; TiO2
- Citation
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.600, no.1, pp.47 - 55
- Journal Title
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS
- Volume
- 600
- Number
- 1
- Start Page
- 47
- End Page
- 55
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/12295
- DOI
- 10.1080/15421406.2014.936770
- ISSN
- 1542-1406
- Abstract
- Dye-sensitized solar cells (DSSCs) are composed of an electrode made of a dye-adsorbed nanoporous TiO2 layer on a fluorine-doped tin oxide (FTO) glass substrate, redox electrolytes, and a counter electrode. In this study, phosphor is introduced into the TiO2-layer electrode of a DSSC. The admixed phosphor content in the TiO2 paste is varied from 1.0 to 10.0wt%. By a conversion-luminescence process, ZnGa2O4:Mn2+ phosphor improves light harvesting and increases the photocurrent. The phosphor elevates both, the energy level of electrons in the oxide film and V-oc of the DSSC. Using a TiO2 electrode containing 5.00wt% of admixed ZnGa2O4:Mn2+, the light-to-electricity energy-conversion efficiency of the DSSC reaches 8.02%, which is higher by a factor of 1.25 than that of a DSSC without ZnGa2O4:Mn2+.
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