Abstract
The morphology of micrometer-sized silver particles obtained by liquid-phase chemical reduction of silver nitrate with ascorbic acid depends appreciably on the solution pH. The synthesis carried out at 100°C for 20 min at pH < 4 or pH > 9 yields anisotropic faceted nanocrystalline particles, while the synthesis at pH = 5–8 results in self-assembly to give microspheres representing close-packed aggregates of a huge number of silver nanoparticles with a cauliflower structure.
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Original Russian Text © A.G. Gnedovets, A.B. Ankudinov, V.A. Zelenskii, I.V. Tregubova, M.I. Alymov, 2017, published in Doklady Akademii Nauk, 2017, Vol. 474, No. 6, pp. 703–706.
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Gnedovets, A.G., Ankudinov, A.B., Zelenskii, V.A. et al. Self-organization processes and synthesis of nanostructured silver microparticles in AgNO3 solutions with variable pH values. Dokl Phys Chem 474, 106–108 (2017). https://doi.org/10.1134/S0012501617060069
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DOI: https://doi.org/10.1134/S0012501617060069