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|Title:||Droplet-based microfluidic synthesis of anisotropic metal nanocrystals|
|Source:||Duraiswamy, S., Khan, S.A. (2009-12-18). Droplet-based microfluidic synthesis of anisotropic metal nanocrystals. Small 5 (24) : 2828-2834. ScholarBank@NUS Repository. https://doi.org/10.1002/smll.200901453|
|Abstract:||A droplet-based microfluidic method for the preparation of anisotropic gold nanocrystal dispersions is presented. Gold nanoparticle seeds and growth reagents are dispensed into monodisperse picoliter droplets within a microchannel. Confinement within small droplets prevents contact between the growing nanocrystals and the microchannel walls. The critical factors in translating macroscale flask-based methods to a flow-based microfluidic method are highlighted and approaches are demonstrated to flexibly fine tune nanoparticle shapes into three broad classes: spheres/spheroids, rods, and extended sharp-edged structures, thus varying the optical resonances in the visible-near-infrared (NIR) spectral range. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.|
|Appears in Collections:||Staff Publications|
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