Liquid-Metal Microdroplets Formed Dynamically with Electrical Control of Size and Rate.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 26601792.
- Also identified by DOI 10.1002/adma.201503875.
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Abstract
Liquid metal co-injected with electrolyte through a microfluidic flow-focusing orifice forms droplets with diameters and production frequencies controlled in real time by voltage. Applying voltage to the liquid metal controls the interfacial tension via a combination of electrochemistry and electrocapillarity. This simple and effective method can instantaneously tune the size of the microdroplets, which has applications in composites, catalysts, and microsystems.