Preparation and investigation on third-order nonlinear optical properties of ZnS/MWCNTs composite materials

被引：7
|
作者：
Hu, Weifei [1 ]
Zhu, Baohua [1 ]
Cao, Yawan [1 ]
Wang, Shun [1 ]
Wang, Chong [1 ]
Zhang, Zhengwei [1 ]
Han, Junhe [1 ]
Li, Peng [1 ]
Dai, Shuxi [1 ]
Gu, Yuzong [1 ]
机构：
[1] Henan Univ, Inst Microsyst, Sch Phys & Elect, Kaifeng 475004, Peoples R China
来源：
MATERIALS LETTERS | 2016年 / 172卷
基金：
中国国家自然科学基金;
关键词：
Composite materials; Carbon nanotubes; ZnS; Third-order nonlinear optical properties; WALL CARBON NANOTUBES; NANOPARTICLES;
D O I：
10.1016/j.matlet.2016.02.130
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZnS/MWCNTs composite materials with different concentrations of ZnS were prepared and their third order nonlinear optical properties were studied through experiments and theoretical analysis. Structure and morphology characterizations of the ZnS/MWCNTs composite materials showed that ZnS quantum dots (QDs) were uniformly attached on the surface of MWCNTs. Third-order nonlinear optical properties of all the MWCNTs samples, ZnS QDs and ZnS/MWCNTs composite materials were measured by using Z-scan technique with a picosecond pulse laser. Experimental results showed that the composite materials always presented saturated absorption properties of MWCNTs and a negative nonlinear refraction effect of ZnS. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：44 / 47
页数：4
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