Near-infrared sensitization in dye-sensitized solar cells.

Jinhyung Park, Guido Viscardi, Claudia Barolo, Nadia Barbero

University of Torino Department of Chemistry, NIS Interdepartmental Centre of Excellence Via Pietro Giuria 7 IT-10125 Torino, Italy.

Chimia 2013

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Dye-sensitized solar cells (DSCs) are a low cost and colorful promising alternative to standard silicon photovoltaic cells. Though many of the highest efficiencies have been associated with sensitizers absorbing only in the visible portion of the solar radiation, there is a growing interest for NIR sensitization. This paper reviews the efforts made so far to find sensitizers able to absorb efficiently in the far-red NIR region of solar light. Panchromatic sensitizers as well as dyes absorbing mainly in the 650-920 nm region have been considered.