Please use this identifier to cite or link to this item: http://hdl.handle.net/10773/6110
Title: Growth of cadmium selenide nanocrystals on submicron silica
Author: Neves, MC
Soares, J
Hempelmann, R
Monteiro, T
Trindade, T
Keywords: A1. Nanostructures
B1. Cadmium selenide
B1. Nanomaterials
B2. Semiconducting materials
Issue Date: 2005
Publisher: Elsevier
Abstract: Cadmium selenide nanocrystals were grown over silica surfaces using a one-step synthetic method involving the thermal degradation of the single-molecule precursor [Cd(Se2CNEt2)2], EtQC2H5. The X-ray powder diffraction patterns for the SiO2/CdSe nanocomposites show diffraction peaks consistent with the presence of hexagonal-CdSe. Scanning and transmission electron microscopy show inorganic composite particles formed by islands of CdSe nanocrystals at the SiO2 surfaces. A series of SiO2/CdSe particles were obtained in which the samples show quantum size effects in their optical spectra.
Peer review: yes
URI: http://hdl.handle.net/10773/6110
DOI: 10.1016/j.jcrysgro.2005.02.057
ISSN: 0022-0248
Appears in Collections:DQ - Artigos

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Journal of Crystal Growth 279 (2005) 433 –438.pdf371 kBAdobe PDF    Request a copy


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