Abstract
Colloidal GaO nanoparticles were synthesized in ethanol by a pulsed laser ablation method. Optical and structural analyses were performed on samples generated under different laser fluence using ultraviolet–visible absorption spectrophotometry, X-ray diffraction (XRD), and tunneling electron microscopy (TEM) techniques. The mean size and size distribution of nanoparticles were investigated using the image processing technique of collected TEM images, in addition to XRD. It was shown that laser fluence has a significant effect on nanoparticles size properties. Also, it is proven that the ablation process affects the nanoparticles’ size and size distribution. The results show that higher laser fluence produces larger mean size of nanoparticles with a broader size distribution.
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