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Direct Observation of Electron-to-Hole Energy Transfer in CdSe Quantum Dots

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Hendry, E., Koeberg, M., Wang, F., Zhang, H., de Mello Donegá, C., Vanmaekelbergh, D., Bonn, M.·2006·Physical Review Letters
DOI 10.1103/physrevlett.96.057408
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Abstract

We independently determine the subpicosecond cooling rates for holes and electrons in CdSe quantum dots. Time-resolved luminescence and terahertz spectroscopy reveal that the rate of hole cooling, following photoexcitation of the quantum dots, depends critically on the electron excess energy. This constitutes the first direct, quantitative measurement of electron-to-hole energy transfer, the hypothesis behind the Auger cooling mechanism proposed in quantum dots, which is found to occur on a 1 +/- 0.15 ps time scale.

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Metadata

Authors
Hendry, E., Koeberg, M., Wang, F., Zhang, H., de Mello Donegá, C., Vanmaekelbergh, D., & Bonn, M.
Venue
Physical Review Letters
Publisher
American Physical Society (APS)
Published
2006-02-09
Volume
96
Issue
5
Pages
057408-057408
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
DOI
10.1103/physrevlett.96.057408
OpenAlex
W2140496783
Cited by
217
References
0
FWCI
11.07
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Direct Observation of Electron-to-Hole Energy Transfer in CdSe Quantum Dots. https://app.cochat.ai/papers/10.1103/physrevlett.96.057408
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Hendry, E., Koeberg, M., Wang, F., Zhang, H., de Mello Donegá, C., Vanmaekelbergh, D., & Bonn, M. (2006). Direct Observation of Electron-to-Hole Energy Transfer in CdSe Quantum Dots. Physical Review Letters. https://doi.org/10.1103/physrevlett.96.057408

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