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Determination of semiconductor quantum dot parameters by optical methods

✍ Scribed by N.R. Kulish; V.P. Kunets; M.P. Lisitsa

Publisher: Elsevier Science
Year: 1997
Tongue: English
Weight: 128 KB
Volume: 22
Category: Article
ISSN: 0749-6036
DOI: 10.1006/spmi.1996.0460

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✦ Synopsis

Optical methods and their limitations are described that allow one to obtain the physical parameters of semiconductor nanocrystals (quantum dots) embedded in a glass matrix. The parameters determined are: average radius, confinement energy, band gap, number of atoms in an average-radius nanocrystal, hydrostatic pressure caused by a glass matrix, composition, acceptor energies, Coulomb energy, carriers' lifetime, absorption cross section, concentration of nanocrystals. CdS x Se 1-x nanocrystals in KS-10, OS-12 and Corning 2-61 commercial glasses and CdSe nanocrystals in the experimental glass are investigated.

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