Thursday, May 30, 2013

Solar paint: Harvesting light

The addition of squaraine dye improves a polymer bulk heterojunction solar cell in two main ways: it extends the spectral absorption of the cell to longer wavelengths and it introduces an energy transfer process for excitons that are photogenerated in P3HT.

Nature Photonics 7, 425–426 (2013) doi:10.1038/nphoton.2013.130
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