Quantization of multiparticle Auger rates in semiconductor quantum dots

Victor I Klimov, A. A. Mikhailovsky, D. W. McBranch, C. A. Leatherdale, M. G. Bawendi

Research output: Contribution to journalArticlepeer-review

1116 Citations (Scopus)


We have resolved single-exponential relaxation dynamics of the 2-, 3-, and 4-electron-hole pair states in nearly monodisperse cadmium selenide quantum clots with radii ranging from 1 to 4 nanometers. Comparison of the discrete relaxation constants measured for different multiple-pair states indicates that the carrier decay rate is cubic in carrier concentration, which is characteristic of an Auger process. We observe that in the quantum- confined regime, the Auger constant is strongly size-dependent and decreases with decreasing the quantum dot size as the radius cubed.

Original languageEnglish
Pages (from-to)1011-1014
Number of pages4
Issue number5455
Publication statusPublished - Feb 11 2000

ASJC Scopus subject areas

  • General

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