ABSTRACT
Highly stable dispersion of nanosized silver nanoparticles were prepared by the reduction of
silver salt (silver nitrite – AgNO3 ) by photo reduction methods UV-lamps. The irradiation time from 6
min. to one hour effects on the morphology of dispersed silver nanoparticles were studied. The
formation of silver nanoparticles characterized by means of ultraviolet-visible spectroscopy, X-ray
diffraction spectroscopy and transmission electron microscopy (AFM). During the preparation of
observed that the color of dispersion gradually changed from white, yellow, orange, brown finally
dark brown by changing with irradiation time, it is also the acidic solutions (PH) have decreased by
increasing the duration of irradiation in addition to get different nanoparticles size lies between
(33.988-93.175) nm.
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