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Influence of Spectral Diffusion on the Line Shapes of Single CdSe Nanocrystallite Quantum Dots
Abstract
We study the emission line shapes of single CdSe nanocrystallite quantum dots. Single dot line shapes are found to result from rapid spectral shifting of the emission spectrum rather than the intrinsic physics of the quantum dot. A strong dependence of single dot line widths on excitation intensity, wavelength, temperature, and integration time is found and is correlated with the number of times that the quantum dot is excited during the acquisition of a single spectrum. The observed results are consistent with thermally assisted spectral diffusion, activated by the release of excess excitation energy.
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Cited by
Colloidal quantum dot electronics
Liu, M., Yazdani, N., Yarema, M., Jansen, M., Wood, V., & Sargent, E. H. (2021) · Nature Electronics · doi:10.1038/s41928-021-00632-7 · Cited by 448
Structure and Photophysics of Semiconductor Nanocrystals
Eychmüller, A. (2000) · The Journal of Physical Chemistry B · doi:10.1021/jp9943676 · Cited by 353
Power-law intermittency of single emitters
CICHOS, F., VONBORCZYSKOWSKI, C., & ORRIT, M. (2007) · Current Opinion in Colloid & Interface Science · doi:10.1016/j.cocis.2007.07.012 · Cited by 301
Minowa, Y., Suzuki, T., Setoura, K., Ito, S., Miyasaka, H., & Ashida, M. (2018) · Journal of Nanophotonics · doi:10.1117/1.jnp.13.012506 · Cited by 5
Metadata
- Authors
- Empedocles, S. A., & Bawendi, M. G.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 1999-03-01
- Volume
- 103
- Issue
- 11
- Pages
- 1826-1830
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W1992451491
- Cited by
- 227
- References
- 0
- FWCI
- 5.72
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Influence of Spectral Diffusion on the Line Shapes of Single CdSe Nanocrystallite Quantum Dots. https://app.cochat.ai/papers/10.1021/jp983305x
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- Empedocles, S. A., & Bawendi, M. G. (1999). Influence of Spectral Diffusion on the Line Shapes of Single CdSe Nanocrystallite Quantum Dots. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp983305x
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