Synthesis and nonlinear optical studies of nano ZnO colloids

被引：20
作者：
Krishnan, Bindu [1 ,2 ]
Irimpan, Litty [2 ]
Nampoor, V. P. N. [2 ]
Kumar, V. [3 ]
机构：
[1] Indian Inst Space Sci & Technol, Trivandrum 695022, Kerala, India
[2] Cochin Univ Sci & Technol, Int Sch Photon, Cochin 682022, Kerala, India
[3] Ctr Mat Elect Technol, Trichur 680771, Kerala, India
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2008年 / 40卷 / 08期
关键词：
nano; ZnO; nonlinear optical materials;
D O I：
10.1016/j.physe.2007.12.019
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Stable colloids of ZnO quantum dots are prepared by the chemical solution method by capping with a common polyelectrolyte dispersant, polyethylene imine. The influence of PEI in arresting the particle growth is investigated through time-dependent absorption spectroscopy. The stable colloid thus produced is found to exhibit excellent third-order nonlinear optical properties as revealed by Z-scan studies. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：2787 / 2790
页数：4
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