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Dye-Sensitized Solar Cells Incorporating a “Liquid” Hole-Transporting Material

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journal contribution
posted on 13.09.2006, 00:00 by Henry J. Snaith, Shaik M. Zakeeruddin, Qing Wang, Péter Péchy, Michael Grätzel
We present the first application of an amorphous “liquid” organic semiconductor in an optoelectronic device, demonstrating that it is highly suited for use as a hole-transporting material in nanostructured dye-sensitized solar cells. For such devices, we obtain power conversion efficiencies of up to 2.4% under simulated air mass 1.5 solar spectrum at 100 mWcm-2, and incident photon-to-electron quantum efficiencies in excess of 50%.