Nano Archive

A Rapid Synthesis of Oriented Palladium Nanoparticles by UV Irradiation

Navaladian, S. and Viswanathan, B. and Varadarajan, T. K. and Viswanath, R. P. (2009) A Rapid Synthesis of Oriented Palladium Nanoparticles by UV Irradiation. Nanoscale Research Letters, 4 (2). pp. 181-186. ISSN 1931-7573 (Print) 1556-276X (Online)

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Palladium nanoparticles of average size around 8Â nm have been synthesized rapidly by UV irradiation of mixture of palladium chloride and potassium oxalate solutions. A rod-shaped palladium oxalate complex has been observed as an intermediate. In the absence of potassium oxalate, no Pd nanoparticles have been observed. The synthesized Pd nanoparticles have been characterized by powder X-ray diffraction (XRD), transmission electron microscopy (TEM), selective area electron diffraction and energy dispersive analysis by X-rays (EDAX) analyses. XRD analysis indicates the preferential orientation of catalytically active 111 planes in Pd nanoparticles. A plausible mechanism has been proposed for the formation of anisotropic Pd nanoparticles.

Item Type:Article
Uncontrolled Keywords:Pd nanoparticles - UV irradiation - Potassium oxalate - Preferential orientation - Texture coefficient
Subjects:Material Science > Nanofabrication processes and tools
Physical Science > Nano objects
ID Code:3396
Deposited By:Lesley Tobin
Deposited On:16 Jan 2009 14:05
Last Modified:16 Jan 2009 14:05

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