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Making the most of photons

The performance of photodetectors based on quantum dots may be improved by exploiting a process called multiple exciton generation.

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Figure 1: Multiple exciton generation (MEG) in a quantum dot.


  1. Ellingson, R. J. et al. Nano Lett. 5, 865–871 (2005).

    Article  CAS  Google Scholar 

  2. Nozik, A. J. Chem. Phys. Lett. 457, 3–11 (2008).

    Article  CAS  Google Scholar 

  3. Schaller, R. D. & Klimov, V. I. Phys. Rev. Lett. 92, 186601 (2004).

  4. Schaller, R. D., Agranovich, V. M. & Klimov, V. I. Nature Phys. 1, 189–194 (2005).

    Article  CAS  Google Scholar 

  5. Luther, J. M. et al. Nano Lett. 8, 3488–3492 (2008).

    Article  CAS  Google Scholar 

  6. Sukhovatkin, V., Hinds, S., Brzozowski, L. & Sargent, E. H. Science 324, 1542–1544 (2009).

    Article  CAS  Google Scholar 

  7. Werner, J. H., Kolodinski, S., Queisser, H. J. Phys. Rev. Lett. 72, 3851–3854 (1994).

    Article  CAS  Google Scholar 

  8. Nozik, A. J. Ann. Rev. Phys. Chem. 52, 193–231 (2001).

    Article  CAS  Google Scholar 

  9. Nozik, A. J. Physica E 14, 115–120 (2002).

    Article  CAS  Google Scholar 

  10. Poles, E., Selmarten, D. C., Mićić, O. I. & Nozik, A. J. Appl. Phys. Lett. 75, 971–973 (1999).

    Article  CAS  Google Scholar 

  11. McGuire, J. A., Joo, J., Pietryga, J. M., Schaller, R. D. & Klimov, V. I. Acc. Chem. Res. 41, 1810–1819 (2008).

    Article  CAS  Google Scholar 

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Nozik, A. Making the most of photons. Nature Nanotech 4, 548–549 (2009).

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