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Synthesis and characterization of thiophenol passivated Fe-doped ZnS nanoparticles

✍ Scribed by S. Sambasivam; D. Paul Joseph; D. Raja Reddy; B.K. Reddy; C.K. Jayasankar

Publisher: Elsevier Science
Year: 2008
Tongue: English
Weight: 692 KB
Volume: 150
Category: Article
ISSN: 0921-5107
DOI: 10.1016/j.mseb.2008.03.009

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✦ Synopsis

Nanoparticles of Zn 1-x Fe x S 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 Fe 2+ doping. Magnetization measurements at room temperature revealed that all the doped samples were ferromagnetic in nature.

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