Synthesis and characterization of thiophenol passivated Fe-doped ZnS nanoparticles

被引：93
|
作者：
Sambasivam, S. [1 ]
Joseph, D. Paul [2 ]
Reddy, D. Raja [1 ]
Reddy, B. K. [1 ]
Jayasankar, C. K. [1 ]
机构：
[1] Sri Venkateswara Univ, Dept Phys, Tirupati 517502, Andhra Pradesh, India
[2] Univ Madras, Dept Nucl Phys, Ctr Mat Sci, Madras 600025, Tamil Nadu, India
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2008年 / 150卷 / 02期
关键词：
Fe-doped ZnS nanoparticles; chemical synthesis; transmission electron microscopy; optical properties;
D O I：
10.1016/j.mseb.2008.03.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanoparticles of Zn1-xFexS with x = 0.0, 0.1, 0.2,0.4 and 0.6 were synthesized by chemical co-precipitation method, using thiophenol as the conditioning reagent. These nanoparticles were characterized by EDAX, XRD, TEM, optical absorption and magnetic studies. XRD studies revealed that the phase singularity of ZnS particles having zincblende (cubic) structure. TEM as well as XRD line broadening indicated that the average crystallite size in the samples was about 7 nm. The optical absorption studies show a blue shift of the fundamental absorption edge with increasing Fe2+ doping. Magnetization measurements at room temperature revealed that all the doped samples were ferromagnetic in nature. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：125 / 129
页数：5
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