Nabraj Bhattarai, S. Khanal, P. R. Pudasaini, Shanna Pahl, Dulce Romero-Urbina
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Citrate Stabilized Silver Nanoparticles: Study of Crystallography and Surface Properties
Citrate stabilized silver (Ag) colloidal solution were synthesized and characterized for crystallographic and surface properties by using transmission electron microscopy (TEM) and zeta potential measurement techniques. TEM investigation depicted the size of Ag o ranges from 5 to 50 nm with smaller particles having single crystal structure while larger particles with structural defects (such as multiply twinned, high coalescence and Moire patterns). ζ-potential measurement confirms the presence of Ag + in nAg stock solution. The shift in ζ-potential measurement by +25.1 mV in the filtered solution suggests the presence of Ag + in Ag o nanoparticles.
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