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3 October 2005 Cyanine-fullerene dyad for application in broad spectral response photovoltaic devices
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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.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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