Ghosh, Moumita and Seshadri, Ram and Rao, C. N. R (2004) A Solvothermal Route to ZnO and Mn-Doped ZnO Nanoparticles Using the Cupferron Complex as the Precursor. Journal of Nanoscience and Nanotechnology, 4 (1-2). pp. 136-140.
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ZnO nanoparticles have been synthesized from the cupferron complex by a solvothermal route in toluene solution. The nanoparticles have been prepared in the presence of various capping agents, of which the best results were obtained with tri-n-octylphosphine oxide, polyethylene glycol, and sodium bis (2-ethylhexyl) sulphosuccinate. The particles obtained with these capping agents have diameters in the 8–14 nm range. The nanoparticles have been characterized by electron microscopy, UV absorption spectroscopy, and photoluminescence spectroscopy, besides x-ray diffraction. Optical spectra of the small nanoparticles show evidence for quantum confinement. ZnO nanoparticles doped with 5% and 10% Mn could be prepared by the solvothermal route starting with a Zn(1 x)Mn x cupferron complex, and the Mn-doped nanoparticles remain paramagnetic down to 5K.
|Subjects:||Material Science > Nanochemistry|
|Divisions:||Faculty of Engineering, Science and Mathematics > School of Chemistry|
|Deposited On:||27 Jan 2009 09:35|
|Last Modified:||18 Apr 2009 10:07|
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