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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 14, Iss. 7 — Jul. 1, 1997
  • pp: 1632–1646

Electronic structure and optical properties of PbS and PbSe quantum dots

Inuk Kang and Frank W. Wise  »View Author Affiliations

JOSA B, Vol. 14, Issue 7, pp. 1632-1646 (1997)

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The electronic structure of spherical PbS and PbSe quantum dots is calculated with a four-band envelope-function formalism. This calculation accounts for both exciton energies and wave functions with the correct symmetry of the materials. The selection rules and the strength of the dipole transitions of lead-salt quantum dots are derived accounting for the symmetry of the band-edge Bloch functions of the lead salts. The calculated energies of the optically allowed exciton states are found to be in good agreement with experimental data. The effects of many-body perturbations, such as Coulomb interactions and intervalley scattering, are also discussed.

© 1997 Optical Society of America

Inuk Kang and Frank W. Wise, "Electronic structure and optical properties of PbS and PbSe quantum dots," J. Opt. Soc. Am. B 14, 1632-1646 (1997)

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