Synthesis of Green Chitosan – Silver Nanoparticle Composite Material: Parameter Optimization and Physicochemical Characterization

In this study, response surface methodology (RSM) was carried out with four parameters: chitosan concentration, AgNO3 ascorbic acid concentration and time the objective to obtain minimum mean particle size of silver nanoparticles (response Y). The chitosan-silver nanoparticle composite material (CTS-AgNPs nanocomposite) obtained experimentally from optimal conditions characterized by evaluating some their physical-chemical properties using combined technique including visible ultraviolet spectroscopy (UV -Vis), dynamic light scattering (DLS), transmission electron microscopy (TEM), infrared spectra (IR) X-ray diffraction. were 19.2 %, nitrate 26 mM, 33 mM 4.25 hours. Spherical Ag particles well dispersed in matrix average diameter around 2÷8 nm a narrow distribution homogeneous dispersion