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An Influence of Concentration of Polyvinylpyrrolidone on the Morphology of Silver Metal Formed from AgN O 3 Aqueous Solution

Journal of Nanomaterials
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Metal silver rods having a partly regular direction on the substrate are synthesized from the fine copper particles on acrylic plastic plate immersed in 50  𝜇 M-PVP and 0.1 M-AgNO3 aqueous solution. An increase of PVP concentration in the AgNO3 aqueous solution inhibits the growth of the string-shaped silver and dendrite-shaped silver as well as polyol method. The absorbance of the plasmon peak around 410 nm immersed in 0.1 M-AgNO3 aqueous solution at 25∘C for 24 hours increased with an increase of the PVP concentration.

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