Abstract
Iron(Fe/FeO), Platium (Pt) and (Pt/Fe) ultra Fine(UF) nanoparticles (NPs) were synthesized by pulsed (Q-switched, 1064 doubled frequency-Nd: YAG). The laser ablation of Fe and Pt metal plates has been performed by immersing these metal plates in deionised water (DDW) and ethanol alcohol solvent. The pulsed laser ablation in liquids (PLAL) process preformed with 100 pulse energy of 700 mJ and liquid depth is 5 mm. The formation efficiency of PLAL process was quantified in term of the absorption spectrum peaks and TEM images anlaysis. The absorption spectra of Iron (Fe/FeO, Pt) in DDW reveal a sharp and single peak around (292/363 and 234)nm, respectively, indicates the production of pure and spherical shape of Fe/FeO, Pt UF NPs with an average size in the range of 2-5 nm. While, it was notice absorbance peaks wavelength shifted to the shorter wavelength in ethanol alcohol due to high polarity of alcohol in both bimetalic nanoparticles (Fe and Pt). By changing the solution polarty it can open an easy way to control the size and shape of Fe and Pt and Bimetals (Pt/Fe ) colloidal nanoparticles.
Highlights
Were synthesized by pulsed (Q-switched, 1064 doubled frequency-Nd:YAG)
The laser ablation of Fe and Pt metal plates has been performed by immersing these metal plates in deionised water (DDW), ethanol alcohol and PVP polymer solvent
The pulsed laser ablation in liquids (PLAL) process preformed with 100 pulse energy of 700 mJ and liquid depth is 5 mm
Summary
Were synthesized by pulsed (Q-switched, 1064 doubled frequency-Nd:YAG). The laser ablation of Fe and Pt metal plates has been performed by immersing these metal plates in deionised water (DDW), ethanol alcohol and PVP polymer solvent. FORMATION OF Fe, Pt and (Pt@Fe) ULTRA FINE METAL NANOPARTICLES IN DIFFERENT
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