Ultrafast carrier trapping dynamics in CdS quantum dots

P Haring-Bolivar; V Klimov; V Klimov; H Kurtz

International Quantum Electronics Conference
1996 OSA Technical Digest Series (Optica Publishing Group, 1996),
paper WL9

Ultrafast carrier trapping dynamics in CdS quantum dots

P Haring-Bolivar, V Klimov, and H Kurtz

International Quantum Electronics Conference 1996

Sydney Australia
14–19 July 1996
ISBN: 1-55752-459-9

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P. Haring-Bolivar, V. Klimov, and H. Kurtz, "Ultrafast carrier trapping dynamics in CdS quantum dots," in International Quantum Electronics Conference, 1996 OSA Technical Digest Series (Optica Publishing Group, 1996), paper WL9.

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Abstract

We report on the femtosecond study of the band-edge emission in CdS NC’s performed by photoluminescence (PL) up-conversion. Time-resolved PL spectra show the presence of shallow localized states dominating the cw band-edge emission. The PL cynamics indicate a strong difference in the electron and hole trapping rates.

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