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Proceedings Paper

Modeling and simulation of nanocrystal solids with rate equations
Author(s): O. Cellek; Matt Law
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Paper Abstract

Colloidal semiconductor nanocrystals and their solid films created a promising field of research during the last decade. We present a rate equation model to simulate unipolar electron transport in DC-biased one dimensional chain of PbSe nanocrystals. Tunneling, cooling, trapping and heating of electrons are modeled with transition rates and parameters. Three lowest orbitals in each quantum dot are taken into account to simulate unipolar transport through nanocrystal solids. Transitions between the orbitals and neighbor quantum dots are modeled using experimental reports in the literature. Numerical solutions of the rate equations for each state results in a balance between all states in the device.

Paper Details

Date Published: 21 February 2011
PDF: 12 pages
Proc. SPIE 7933, Physics and Simulation of Optoelectronic Devices XIX, 793311 (21 February 2011); doi: 10.1117/12.875358
Show Author Affiliations
O. Cellek, ASELSAN Inc. (Turkey)
Matt Law, Univ. of California, Irvine (United States)

Published in SPIE Proceedings Vol. 7933:
Physics and Simulation of Optoelectronic Devices XIX
Bernd Witzigmann; Fritz Henneberger; Yasuhiko Arakawa; Alexandre Freundlich, Editor(s)

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