Nanoliter-droplet acoustic streaming via ultra high frequency surface acoustic waves.

Shilton, Richie J; Travagliati, Marco; Beltram, Fabio; Cecchini, Marco · Adv Mater · 2014

basic_science · Level V

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Abstract

The relevant length scales in sub-nanometer amplitude surface acoustic wave-driven acoustic streaming are demonstrated. We demonstrate the absence of any physical limitations preventing the downscaling of SAW-driven internal streaming to nanoliter microreactors and beyond by extending SAW microfluidics up to operating frequencies in the GHz range. This method is applied to nanoliter scale fluid mixing.

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