Quantization of Multiparticle Auger Rates in Semiconductor Quantum Dots

We have resolved single-exponential relaxation dynamics of the 2-, 3-, and 4-electron-hole pair states in nearly monodisperse cadmium selenide quantum dots with radii ranging from 1 to 4 nanometers. Comparison of the discrete relaxation constants measured for different multiple-pair states indicates...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 2000-02, Vol.287 (5455), p.1011-1013
Hauptverfasser:	Klimov, V. I., Mikhailovsky, A. A., McBranch, D. W., Leatherdale, C. A., Bawendi, M. G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption spectra Augers Bleaching Charge carriers: generation, recombination, lifetime, trapping, mean free paths Circles Condensed matter: electronic structure, electrical, magnetic, and optical properties Data lines Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Electronic transport in interface structures Electronic transport phenomena in thin films and low-dimensional structures Electrons Exact sciences and technology Other semiconductor-to-semiconductor contacts, p-n junctions, and heterojunctions Physics Pumps Quantum dots Semiconductors Time dependence
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