Influence of polyvinylpyrrolidone with different molecular weight on silver nanoconfiguration in polyol process

This paper researches the influence of different molecular weight polyvinylpyrrolidone on silver nanoconfiguration in polyol process. The silver nanoparticles are characterized by scanning electron microscopy and X-ray diffraction. Their optical properties are studied by UV-Vis spectrophotometer. The results indicate that under of silver nanoparticles different morphology will be made by different molecular weight polyvinylpyrrolidone under the same experimental conditions; the yield of silver nanowires is the largest when the molecular weight of polyvinylpyrrolidone is 1.0×104, and silver nanowires will reduce and silver nanocubes will increase when the molecular weight of polyvinylpyrrolidone increases.