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Using Exciton Dynamics to Probe the Internal Structure of CdSe/ZnSe Self‐Assembled Quantum Dots
Author(s) -
Robinson L.M.,
Rho H.,
Jackson H.E.,
Smith L.M.,
Lee S.,
Dobrowolska M.,
Furdyna J.K.
Publication year - 2000
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/1521-3951(200009)221:1<55::aid-pssb55>3.0.co;2-0
Subject(s) - quantum dot , exciton , photoluminescence , dynamics (music) , biexciton , materials science , optoelectronics , molecular physics , condensed matter physics , physics , acoustics
We use temperature‐ and time‐resolved photoluminescence taken through a 170 nm aperture to study the dynamics associated with single CdSe/ZnSe self‐assembled quantum dots. These measurements provide strong evidence for two distinct types of states associated with these quantum dots, that have linewidths, binding energies and lifetimes which differ by an order of magnitude.