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Separating multiple excitons

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Scientists have demonstrated an efficient process for generating multiple excitons in adjacent silicon nanocrystals from a single high-energy photon. Their findings could prove useful for a wide range of photovoltaic applications.

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Figure 1: Two proposed mechanisms of multiple exciton generation in QD solids, represented by two electronically coupled QDs.

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Authors and Affiliations

  1. Arthur J. Nozik is at the Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309, USA, and the National Renewable Energy Laboratory in Golden, Colorado, USA,

    Arthur J. Nozik

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  1. Arthur J. Nozik
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Correspondence to Arthur J. Nozik.

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Nozik, A. Separating multiple excitons. Nature Photon 6, 272–273 (2012). https://doi.org/10.1038/nphoton.2012.78

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