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Electronic structure and optical properties of PbS and PbSe quantum dots
Abstract
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.
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Citations
Cited by
The Electronic Structure of Semiconductor Nanocrystals
Efros, A. L., & Rosen, M. (2000) · Annual Review of Materials Science · doi:10.1146/annurev.matsci.30.1.475 · Cited by 965
Size-Dependent Valence and Conduction Band-Edge Energies of Semiconductor Nanocrystals
Jasieniak, J., Califano, M., & Watkins, S. E. (2011) · ACS Nano · doi:10.1021/nn201681s · Cited by 699
Tang, J., Brzozowski, L., Barkhouse, D. A. R., Wang, X., Debnath, R., Wolowiec, R., Palmiano, E., Levina, L., Pattantyus-Abraham, A. G., Jamakosmanovic, D., et al. (2010) · ACS Nano · doi:10.1021/nn901564q · Cited by 392
Tunable Near-Infrared Optical Gain and Amplified Spontaneous Emission Using PbSe Nanocrystals
Schaller, R. D., Petruska, M. A., & Klimov, V. I. (2003) · The Journal of Physical Chemistry B · doi:10.1021/jp0311660 · Cited by 321
Metadata
- Authors
- Kang, I., & Wise, F. W.
- Venue
- Journal of the Optical Society of America B
- Publisher
- Optica Publishing Group
- Published
- 1997-07-01
- Volume
- 14
- Issue
- 7
- Pages
- 1632
- ISSN
- 0740-3224 (ISSN-L)
- 1520-8540
- OpenAlex
- W2154043118
- Cited by
- 762
- References
- 0
- FWCI
- 6.02
- Type
- journal article
- Language
- en
- Open access
- closed
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