New insight into nanocrystal nucleation and growth has emerged from researchers in Switzerland, giving vital knowledge and tools for large-scale quantum dot production.
Andrew DeMello and his team at ETH Zurich used a two-stage microfluidic reactor to precisely control the nucleation and growth stages of nanocrystal synthesis by automated control of reagent amounts, residence times and temperatures. This tight control combined with measurement of online spectroscopic data gave the scientists the ability to validate kinetic models of the synthesis – essential tools for chemical engineers to design processes for high quality, high volume quantum dot production.
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