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Proceedings Article

Natural dye -sensitized mesoporous ZnO solar cell

[+] Author Affiliations
Qishuang Wu, Yue Shen, Guizhi Wu, Linyu Li, Meng Cao, Feng Gu

Shanghai Univ. (China)

Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 799532 (February 17, 2011); doi:10.1117/12.888318
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From Conference Volume 7995

  • Seventh International Conference on Thin Film Physics and Applications
  • Junhao Chu; Zhanshan Wang
  • Shanghai, China | September 24, 2010

abstract

Natural dye-sensitized solar cells (N-DSSCs) were assembled using chlorophyll sensitized mesoporous ZnO (based on FTO) as the photoanode and platinum plate as the cathode. The natural dyes (chlorophyll) were extracted from spinach by simple procedure. The absorption spectrum and fluorescence spectrum of chlorophyll were studied. Mesoporous ZnO (m-ZnO) applied to the N-DSSCs was synthesized through hydrothermal method. The structures and morphologies were characterized by X-ray Diffraction (XRD) and diffuse reflection. The results indicated that the samples had an average pore size of 17 nm and the m-ZnO was hexagonal wurtzite structure. The performances of the N-DSSCs were investigated under AM 1.5G illumination. The Voc of the N-DSSCs was about 480mv, and the Isc was about 470μA. The performance of the N-DSSCs could be further improved by adjusting its structure.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Qishuang Wu ; Yue Shen ; Guizhi Wu ; Linyu Li ; Meng Cao, et al.
"Natural dye -sensitized mesoporous ZnO solar cell", Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 799532 (February 17, 2011); doi:10.1117/12.888318; http://dx.doi.org/10.1117/12.888318


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