Growth of cadmium selenide nanocrystals on submicron silica

被引：5
|
作者：
Neves, MC
Soares, J
Hempelmann, R
Monteiro, T
Trindade, T
机构：
[1] Univ Aveiro, Dept Chem, P-3810193 Aveiro, Portugal
[2] Univ Aveiro, Dept Phys, P-3810193 Aveiro, Portugal
[3] Univ Saarland, D-66123 Saarbrucken, Germany
来源：
JOURNAL OF CRYSTAL GROWTH | 2005年 / 279卷 / 3-4期
关键词：
nanostructures; cadmium selenide; nanomaterials; semiconducting materials;
D O I：
10.1016/j.jcrysgro.2005.02.057
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
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)], Et=C2H5. 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 Use 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. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：433 / 438
页数：6
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