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Type: Artigo de evento
Title: Thermal Diffusivity And Photoacoustic Spectroscopy Measurements In Cdte Quantum Dots Borosilicate Glasses
Author: Da Silva V.L.
Mesquita R.C.
Da Silva E.C.
Mansanares A.M.
Barbosa L.C.
Abstract: In this paper we describe the results of photoacoustic spectroscopy and thermal diffusivity measurements in borosilicate glass matrix with CdTe quantum dots. Samples treated at the temperature of 540°C for different periods were studied. The photoacoustic spectra show the absorption band of CdTe quantum dots, which shifts as a function of the thermal treatment time, revealing the evolution of the average radius of the nanocrystals, Thermal lens measurements provide the thermal diffusivity of the treated samples and give the behavior of the temperature coefficient of the refractive index, dn/dT, which is correlated to the transmittance spectra. © EDP Sciences.
Rights: aberto
Identifier DOI: 10.1051/jp4:2005125065
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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