DEVELOPMENT IN MICROREACTOR TECHNOLOGY FOR NANOPARTICLE SYNTHESIS (original) (raw)

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A facile and fast approach for the synthesis of doped nanoparticles using a microfluidic device

Nanotechnology, 2008

The microfluidic approach emerges as a new and promising technology for the synthesis of nanomaterials. A microreactor allows a variety of reaction conditions to be quickly scanned without consuming large amounts of raw material. In this study, we investigated the synthesis of water soluble 1-thioglycerol-capped Mn-doped ZnS nanocrystalline semiconductor nanoparticles (TG-capped ZnS:Mn) via a microfluidic approach. This is the first report for the successful doping of Mn in a ZnS semiconductor at room temperature as well as at 80 °C using a microreactor. Transmission electron microscopy and x-ray diffraction analysis show that the average particle size of Mn-doped ZnS nanoparticles is ~3.0 nm with a zinc-blende structure. Photoluminescence, x-ray photoelectron spectroscopy, atomic absorption spectroscopy and electron paramagnetic resonance studies were carried out to confirm that the Mn2+ dopants are present in the ZnS nanoparticles.

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DEVELOPMENT IN MICROREACTOR TECHNOLOGY FOR NANOPARTICLE SYNTHESIS (original) (raw)

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