Journal
CHINESE SCIENCE BULLETIN
Volume 55, Issue 18, Pages 1945-1948Publisher
SCIENCE PRESS
DOI: 10.1007/s11434-009-3688-0
Keywords
dye-sensitized; solar cell; microsheet; TiO2 nanoparticle; electrodeposition
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Funding
- National Natural Science Foundation of China [50702079]
- National High-Tech Research and Development Program of China [2006AA05Z409]
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Randomly oriented ZnO microsheets were successfully self-assembled on TiO2 nanoparticle (TN) film to act as the scattering layer via a cathodic electrodeposition process. The light scattering properties of ZnO microsheets were studied by UV-Vis spectrometer in the 400-800 nm wavelength range. It was found that ZnO microsheets exhibited excellent ability to scatter the incident light for ZnO microsheet-TiO2 nanoparticle (ZT) composite films. The results showed that dye-sensitized solar cells (DSSCs) fabricated with ZT composite films showed higher short-circuit density (J(sc)) and conversion efficiency than TN-based DSSCs, due to the light scattering properties of ZnO microsheets.
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