Colloidal synthesis of monodispersed ZnS and CdS nanocrystals from novel zinc and cadmium complexes

被引：19
|
作者：
Onwudiwe, Damian C. [1 ]
Mohammed, Aliyu D. [1 ]
Strydom, Christien A. [1 ]
Young, Desmond A. [1 ]
Jordaan, Anine [2 ]
机构：
[1] North West Univ, Chem Resource Beneficiat CRB Res Focus Area, ZA-2520 Potchefstroom, South Africa
[2] North West Univ, CRB Res Focus Area, Electron Microscopy Lab, ZA-2520 Potchefstroom, South Africa
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2014年 / 70卷
基金：
新加坡国家研究基金会;
关键词：
Nanocrystals; ZnS; CdS; Xanthate; Dithiocarbamate; Morphology; SINGLE-SOURCE PRECURSOR; SULFIDE QUANTUM DOTS; TEMPERATURE SYNTHESIS; OPTICAL-PROPERTIES; THIN-FILMS; NANOPARTICLES; PHOTOLUMINESCENCE; DITHIOCARBAMATE; NANOMATERIALS; ZN(II);
D O I：
10.1016/j.spmi.2014.03.011
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Monodispersed spherical and hexagonal shaped ZnS and CdS nanocrystals respectively, have been synthesized using novel heteroleptic complexes of xanthate (S(2)CObu) and dithiocarbamate (S2CNMePh). The nanocrystals were prepared via colloidal route and stabilized in hexadecylamine (HDA). The morphology of the as-prepared nanocrystals was characterized using transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM), and powdered X-ray diffraction (p-XRD) analysis. An average diameter of 7.2 nm and 8.6 nm were obtained for the ZnS and CdS respectively. The optical properties of the nanoparticles studied by UV-vis and photoluminescence (PL) spectroscopy showed a blue shift in the absorption spectra, and band edge emission respectively. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：98 / 108
页数：11
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