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Microfluidic & nanofluidic technologies for chemistry, physics, biology, and bioengineering
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Lab Chip, 2007, 7, 1800 - 1805, DOI: 10.1039/b709524d
Continuous flow nano-technology: manipulating the size, shape, agglomeration, defects and phases of silver nano-particles
K. Swaminathan Iyer, Colin L. Raston and Martin Saunders
Spinning disc processing (SDP) is an instantaneously scalable, continuous flow and high throughput flash nano-fabrication technology which embraces green chemistry metrics. It has been used to prepare silver nano-particles with remarkable control in size (5–200 nm), shape (spheroidal, acicular or agglomerate rosettes), surface characteristics, and phase (cubic versus hexagonal), along with imparting defects for particles >10 nm diameters. The control is associated with changing the nature of the stabilising surfactant (respectively, starch, polyethylene glycol and poly(4-vinylpyridine)), the concentration of the reactants, and flow rates.
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