Size dependent optical spectroscopy of II–VI semiconductor nanocrystallites (quantum dots)

  • D. J. Norris
  • M. Nirmal
  • C. B. Murray
  • A. Sacra
  • M. G. Bawendi
Article

Abstract

We use low temperature (10K) optical hole-burning and fluorescence line narrowing spectroscopy to investigate the electronic properties of CdSe nanocrystallites (quantum dots) as a function of crystallite diameter (20–80Å). We discuss how the homogeneous linewidth of the HOMO-LUMO transition, the energy shift between the absorbing and emitting state, and the LO phonon frequency vary with nanocrystallite size.

PACS

36.40.+d 73.20.Dx 63.20.Dj 

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Copyright information

© Springer-Verlag 1993

Authors and Affiliations

  • D. J. Norris
    • 1
  • M. Nirmal
    • 1
  • C. B. Murray
    • 1
  • A. Sacra
    • 1
  • M. G. Bawendi
    • 1
  1. 1.Department of ChemistryMITCambridgeUSA

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