Synthesis and characterisation of palladium nanoparticles for catalytic applications Online publication date: Wed, 30-Sep-2009
by F.A. Harraz, S.M. El-Sheikh, R.M. Mohamed, I.A. Ibrahim
International Journal of Nanoparticles (IJNP), Vol. 2, No. 1/2/3/4/5/6, 2009
Abstract: We report a simple wet chemical method to synthesise palladium nanoparticles and test their performance as an activator for the electroless copper deposition reaction. A mixture of ethylene glycol and alkaline hydroxide ions is indispensable to initiate and catalyse the chemical reduction of palladium salt. The presence of a polyvinylpyrrolidone (PVP) in the solution mixture was also found to be essential and acted as a protective agent to isolate the nanoparticles and prevent the agglomeration. The crystallinity, size and morphology and structural features of the produced nanoparticles are investigated by powder X-ray diffraction (XRD), transmission electron microscopy (TEM). The performance of the nanoparticles as a catalyst for electroless deposition of copper on both silicon and epoxy substrates is also presented.
Online publication date: Wed, 30-Sep-2009
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