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Type: Artigo de periódico
Title: Probing Of The Quantum Dot Size Distribution In Cdte-doped Glasses By Photoluminescence Excitation Spectroscopy
Author: De Oliveira C.R.M.
De Paula A.M.
Plentz Filho F.O.
Medeiros Neto J.A.
Barbosa L.C.
Alves O.L.
Menezes E.A.
Rios J.M.M.
Fragnito H.L.
Brito Cruz C.H.
Cesar C.L.
Abstract: We studied confinement effects in CdTe quantum dots by means of photoluminescence excitation spectroscopy. We show that by changing the detection energy we can resolve the spectrum of quantum dots of different sizes inside their much broader size distribution in CdTe-doped glass. The spectra obtained show several well-resolved lines. There is excellent agreement between the photoluminescence excitation spectra peak energies and calculations of the confined energy transitions based on a modified multiband envelope function model. © 1995 American Institute of Physics.
Rights: aberto
Identifier DOI: 10.1063/1.114049
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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