- Coating Property of Hybrid Structured Photo-Electrode to Increase Dye-Sensitized Solar Cells Efficiency
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Min-Hee Kim, Hyung-Woo Lee, Young-Keun Jeong
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J Korean Powder Metall Inst. 2010;17(6):449-455.
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DOI: https://doi.org/10.4150/KPMI.2010.17.6.449
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- The hybrid structured photo-electrode for dye-sensitized solar cells was fabricated based on the composites of TiO_2 nanoparticles and nanowires. Three samples with different hybrid structures were prepared with 17 vol%, 43 vol%, and 100 vol% nanowires. The energy conversion efficiency was enhanced from 5.54% for pure nanoparticle cells to 6.01% for the hybrid structure with 17 vol% nanowires. For the hybrid structured layers with high nanowires concentration (43 vol% and 100 vol%), the efficiency decreased with the nanowire concentration, because of the decrease of specific surface area, and of thus decreased current density. The random orientations of TiO_2 nanowires can be preserved by the doctor blade process, resulted in the enhanced efficiency. The hybrid structured TiO_2 layer can possess the advantages of the high surface area of nanoparticles and the rapid electron transport rate and the light scattering effect of nanowires.
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Citations to this article as recorded by  - N-Doped ZnO Nanoparticle-Carbon Nanofiber Composites for Use as Low-Cost Counter Electrode in Dye-Sensitized Solar Cells
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Korean Journal of Materials Research.2014; 24(10): 565~571. CrossRef
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