PVP and G1.5 PAMAM dendrimer co-mediated synthesis of silver nanoparticles |
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| Authors: | Guoping Li Huimin Tan |
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| Institution: | Department of Chemical Engineering, Polymer Division, School of Materials Science and Engineering, Beijing Institute of Technology, Number 5, Zhongguancun South St, Haidian District, Beijing 100081, PR China |
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| Abstract: | PVP and G1.5 PAMAM dendrimer co-mediated silver nanoparticles of smaller than 5 nm in diameter were prepared using H2 as reducing agent. With the TEM micrograph, it was found that the molar ratios of PVP and G1.5 PAMAM dendrimer have significant effect in the morphology and size distribution of silver nanoparticles. The reaction rate (fitting a first-order equation) was strongly influenced by the molar ratios of PVP and G1.5 PAMAM dendrimer and the reaction temperature. From the UV-Vis spectra of an aqueous solution of silver nanoparticles, they could be stored for at least 2 months without coagulation at room temperature. |
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| Keywords: | PVP PAMAM dendrimer Silver nanoparticle Co-mediated synthesis |
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