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Proceedings Paper

Cyanine-fullerene dyad for application in broad spectral response photovoltaic devices
Author(s): Fanshun Meng; Jianli Hua; Kongchang Chen; He Tian; Libero Zuppiroli; Frank Nüesch
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Paper Abstract

A novel cyanine-fullerene dyad is used as active layer in a heterostructure photovoltaic cell based on PEDOT and buckminsterfullerene C60. The photocurrent spectrum of the device matches the absorption spectrum of the film and shows monochromatic quantum efficiencies of 5.5% and fill factors above 0.35 at white light irradiation intensities up to 310 mW/cm2. By blending a long wavelength absorbing cyanine with the dyad, the photocurrent spectrum extends to 800 nm with appreciable monochromatic quantum efficiency. Sensitization by cyanine dyes demonstrates the possibility to achieve photovoltaic response in the near infrared.

Paper Details

Date Published: 3 October 2005
PDF: 8 pages
Proc. SPIE 5938, Organic Photovoltaics VI, 593814 (3 October 2005); doi: 10.1117/12.616010
Show Author Affiliations
Fanshun Meng, Institute of Fine Chemicals, ECUST (China)
Jianli Hua, Institute of Fine Chemicals, ECUST (China)
Kongchang Chen, Institute of Fine Chemicals, ECUST (China)
He Tian, Institute of Fine Chemicals, ECUST (China)
Libero Zuppiroli, Institut des Matériaux, EPFL (Switzerland)
Frank Nüesch, EMPA (Switzerland)


Published in SPIE Proceedings Vol. 5938:
Organic Photovoltaics VI
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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