Fast preparation of citrate-stabilized silver nanoplates and its nanotoxicity |
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| Authors: | Jinkyu Roh Eun-Jung Park Kwangsik Park Jongheop Yi Younghun Kim |
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| Affiliation: | (1) School of Materials Science and Engineering, University of New South Wales, Sydney, NSW, 2052, Australia;(2) Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials and Metallurgy, Northeastern University, Shenyang, 110004, China |
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| Abstract: | Citrate-stabilized silver nanoplates (AgNPs) were prepared via a seed-mediated method without surfactants, such as cetyltrimethylammonium
bromide (CTAB), in a short amount of time (15 min). Silver seeds with 3–4 nm in diameter were added to a growth solution containing
AgNO3, trisodium citrate (TSC) and L-ascorbic acid (AA). The size of the AgNPs depended on the concentration of the silver seed
and TSC. The physical properties of the AgNPs were analyzed by transmission electron microscopy (TEM) and by an ultraviolet-visible
(UV-vis) spectrophotometer. In addition, we tested the nanotoxicity of AgNPs prepared in TSC solution to the spleen of a rat,
and found that AgNPs induced inflammation and white spots on the surface of the spleen. |
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