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Catching the Rainbow: Light Harvesting in Dye-Sensitized Solar Cells



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Brand new combined harvesters: The development of low-cost dyes for photovoltaic systems which harvest solar radiation (spectrum shown) over a broad spectral range has proven difficult. Cosensitization using more than one dye (for example JK2 and TT1 in picture) is an emerging method to extend the spectral coverage, and may lead to higher energy-conversion efficiencies.

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