Cyanine-fullerene dyad for application in broad spectral response photovoltaic devices

Fanshun Meng; Jianli Hua; Kongchang Chen; He Tian; Libero Zuppiroli; Frank Nüesch

doi:10.1117/12.616010

3 October 2005 Cyanine-fullerene dyad for application in broad spectral response photovoltaic devices

Fanshun Meng, Jianli Hua, Kongchang Chen, He Tian, Libero Zuppiroli, Frank Nüesch

Proceedings Volume 5938, Organic Photovoltaics VI; 593814 (2005) https://doi.org/10.1117/12.616010
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

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.

Citation Download Citation

Fanshun Meng, Jianli Hua, Kongchang Chen, He Tian, Libero Zuppiroli, and Frank Nüesch "Cyanine-fullerene dyad for application in broad spectral response photovoltaic devices", Proc. SPIE 5938, Organic Photovoltaics VI, 593814 (3 October 2005); https://doi.org/10.1117/12.616010

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