Microfluidic Device for the Synthesis of Metal Nanoparticles

Dear Colleagues,

Metal nanoparticles are attractive materials in the fields of medicine, bioengineering, mechanical engineering, and chemistry due to their unique optical and thermal properties. Nanoparticles can be prepared by a liquid-phase reduction method at low cost, but the control of size distribution and the use of an efficient production process are important issues to apply to these fields. To meet these demands, the synthesis of metal nanoparticles by microfluidic devices is attracting attention. A microfluidic device is a device with microchannels: reagents are mixed by laminar flows in the microchannel, and the phase diffuses in the direction of the channel width. The synthesis of nanoparticles in such a device is a slow process compared with that in turbulent flows. On the other hand, this synthesis can be applied to mass production by a numbering-up method using many devices. Therefore, the fabrication process of the device, the design of the channel pattern, and the operation of the device for an efficient process are important tasks. The current Special Issue covers the synthesis results of metal nanoparticles, fabrication techniques, design of the microchannel pattern of the microfluidic device for the preparation of metal nanoparticles, and the simulation of fluid flow in microchannels in various microfluidic devices and micromixers.

Prof. Dr. Hiromasa YAGYU
Prof. Dr. Mathias Brust
Guest Editors

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• microchannel
• micromixer
• diffusion mixing
• laminar flow
• size distribution