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Proceedings Paper

Electro-absorption of an ensemble of close-packed CdSe quantum dots
Author(s): Leonid I. Gurinovich; Mikhail V. Artemyev
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Paper Abstract

Highly monodisperse CdSe quantum dots 1.8 nm in size were synthesized capped with surface monolayer of 1-thioglycerol. The optical absorption of thin films of matrix free close- packed and isolated in PMMA matrix quantum dots was studied at various electric field biases. The broadening and red shift of optical transitions in close-packed ensemble against isolated is attributed to the formation of collective electronic submini-bands between interacting nanocrystals. The reversible collapse of collective electronic subminibands has been achieved by applying of strong electric field to the thin film of close-packed quantum dots.

Paper Details

Date Published: 29 May 2002
PDF: 4 pages
Proc. SPIE 4748, ICONO 2001: Fundamental Aspects of Laser-Matter Interaction and Physics of Nanostructures, (29 May 2002); doi: 10.1117/12.468987
Show Author Affiliations
Leonid I. Gurinovich, Institute of Molecular and Atomic Physics (Belarus)
Mikhail V. Artemyev, Belarussian State Univ. (Belarus)


Published in SPIE Proceedings Vol. 4748:
ICONO 2001: Fundamental Aspects of Laser-Matter Interaction and Physics of Nanostructures

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