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Proceedings Paper

Synthesis and tailoring of CdSe core@shell heterostructures for optical applications
Author(s): Alessandro Antonello; Massimo Guglielmi; Valentina Bello; Giovanni Mattei; Alessandro Martucci
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Paper Abstract

The successive ion layer deposition reaction (SILAR) technique has been applied to CdSe based systems to develop Type 1 heterostructures . In such structures, the CdSe core is covered by wider band gap semicondutors to improve the emission properties. Cores of different dimensions has been synthesised and two different shell structures have been addressed. The obtained particles have been characterised by TEM technique, while UV-Vis absorption and photoemission spectroscopy were used to characterise the optical properties of the particles in the colloidal solution. The obtained particles were also introduced in a ZrO2 sol-gel matrix to fabricate photoluminescent waveguides, which were characterised also by spectroscopic ellipsometry.

Paper Details

Date Published: 17 January 2011
PDF: 8 pages
Proc. SPIE 7941, Integrated Optics: Devices, Materials, and Technologies XV, 794107 (17 January 2011); doi: 10.1117/12.873678
Show Author Affiliations
Alessandro Antonello, Univ. degli Studi di Padova (Italy)
Massimo Guglielmi, Univ. degli Studi di Padova (Italy)
Valentina Bello, Univ. degli Studi di Padova (Italy)
Giovanni Mattei, Univ. degli Studi di Padova (Italy)
Alessandro Martucci, Univ. degli Studi di Padova (Italy)

Published in SPIE Proceedings Vol. 7941:
Integrated Optics: Devices, Materials, and Technologies XV
Jean Emmanuel Broquin; Gualtiero Nunzi Conti, Editor(s)

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