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Size dependence of exciton fine structure in CdSe quantum dots
Abstract
We use photoluminescence excitation and fluorescence line narrowing spectroscopies to examine structure observed in the band-edge absorption feature of CdSe quantum dots. We study eight samples ranging from \ensuremath{\sim}15 to \ensuremath{\sim}50 \AA{} in radius to probe the size dependence of this structure. We compare our results with recent theories, which predict band-edge exciton splittings in CdSe dots due to their internal crystal structure, nonspherical shape, and the exchange interaction between the electron and hole. We find reasonable agreement between our data and theory, supporting the observation of exciton fine structure. \textcopyright{} 1996 The American Physical Society.
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Cited by
Synthesis and Characterization of Monodisperse Nanocrystals and Close-Packed Nanocrystal Assemblies
Murray, C. B., Kagan, C. R., & Bawendi, M. G. (2000) · Annual Review of Materials Science · doi:10.1146/annurev.matsci.30.1.545 · Cited by 4,353
Self-citationOptical Gain and Stimulated Emission in Nanocrystal Quantum Dots
Klimov, V. I., Mikhailovsky, A. A., Xu, S., Malko, A., Hollingsworth, J. A., Leatherdale, C. A., Eisler, H.-J., & Bawendi, M. G. (2000) · Science · doi:10.1126/science.290.5490.314 · Cited by 2,825
Self-citationKongkanand, A., Tvrdy, K., Takechi, K., Kuno, M., & Kamat, P. V. (2008) · Journal of the American Chemical Society · doi:10.1021/ja0782706 · Cited by 1,644
Shape Control of Semiconductor and Metal Oxide Nanocrystals through Nonhydrolytic Colloidal Routes
Jun, Y., Choi, J., & Cheon, J. (2006) · Angewandte Chemie International Edition · doi:10.1002/anie.200503821 · Cited by 1,123
Moriarty, P. (2001) · Reports on Progress in Physics · doi:10.1088/0034-4885/64/3/201 · Cited by 785
Metadata
- Authors
- Norris, D. J., Efros, A. L., Rosen, M., & Bawendi, M. G.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 1996-06-15
- Volume
- 53
- Issue
- 24
- Pages
- 16347-16354
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2032427157
- Cited by
- 545
- References
- 0
- FWCI
- 11.48
- Type
- journal article
- Language
- en
- Open access
- closed
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- Norris, D. J., Efros, A. L., Rosen, M., & Bawendi, M. G. (1996). Size dependence of exciton fine structure in CdSe quantum dots. Physical Review B. https://doi.org/10.1103/physrevb.53.16347
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