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Triplet excitons

Bringing dark states to light

Semiconducting quantum dots have been used to harvest triplet excitons produced through singlet fission in organic semiconductors. These hybrid organic–inorganic materials may boost the efficiency of solar cells.

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Figure 1: Efficient down-conversion of high-energy photons to low-energy radiation through transfer of triplet excitons.

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Correspondence to Christopher J. Bardeen.

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Bardeen, C. Bringing dark states to light. Nature Mater 13, 1001–1003 (2014). https://doi.org/10.1038/nmat4112

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