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Journal Article

Towards automation of the polyol process for the synthesis of silver nanoparticles


Wolf,  Jakob
Dario Cambié, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Wolf, J., Stawski, T. M., Smales, G. J., Thünemann, A. F., & Emmerling, F. (2022). Towards automation of the polyol process for the synthesis of silver nanoparticles. Scientific Reports, 12: 5769. doi:10.1038/s41598-022-09774-w.

Cite as: https://hdl.handle.net/21.11116/0000-000A-5F99-0
Metal nanoparticles have a substantial impact across different fields of science, such as photochemistry, energy conversion, and medicine. Among the commonly used nanoparticles, silver nanoparticles are of special interest due to their antibacterial properties and applications in sensing and catalysis. However, many of the methods used to synthesize silver nanoparticles often do not result in well-defined products, the main obstacles being high polydispersity or a lack of particle size tunability. We describe an automated approach to on-demand synthesis of adjustable particles with mean radii of 3 and 5 nm using the polyol route. The polyol process is a promising route for silver nanoparticles e.g., to be used as reference materials. We characterised the as-synthesized nanoparticles using small-angle X-ray scattering, dynamic light scattering and further methods, showing that automated synthesis can yield colloids with reproducible and tuneable properties.