Formation of cubic zinc sulfide nanocrystals in paraffin liquid

被引：9
|
作者：
Ye, Xinyu
Fang, Ying
Hu, Yunsheng
Xia, Tian
Zhuang, Weidong [1 ]
Long, Zhen
机构：
[1] Griren Adv Mat Co Ltd, Natl Engn Res Ctr Rare Earth Mat, Beijing 100088, Peoples R China
[2] Gen Res Inst NonFerrous Met, Natl Engn Res Ctr Rare Earth Mat, Beijing 100088, Peoples R China
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 28期
关键词：
nanomaterials; semiconductors; ZnS; paraffin liquid; optical absorption;
D O I：
10.1016/j.matlet.2007.03.090
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A green and cheap route to the production of cubic zinc sulfide nanocrystals is presented. Nanocrystals were synthesized in sole solvent paraffin liquid with zinc oxide, elemental sulfur and oleic acid. Their photophysical properties were investigated by UV-vis absorption and photoluminescence spectra. The temporal evolution of UV-vis spectra showed that the reactions could be terminated after about 5 min growth with a main absorption peak at 267 run. The typical photoluminescence peaks (excited by 260 nm) were observed at about 285 nm and 397 nm. Transmission electron microscopy and selected area electron diffraction in combination with X-ray powder diffraction indicated the presence of cubic ZnS nanocrystals in good crystallization with the average size of 5.0 nm in diameter. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：5026 / 5028
页数：3
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