Scientific Results

Self-assembling of multi-jets by pyro-electrohydrodynamic effect for high throughput liquid nanodrops transfer

Year: 2011

Authors: Coppola S., Vespini V., Grilli S., Ferraro P.

Autors Affiliation: CNR – Istituto Nazionale di Ottica, Sezione di Napoli, Via Campi Flegrei 34, Pozzuoli Napoli, Italy

Abstract: Destabilization of liquid film by electro-hydro-dynamics (EHD) pressure is achieved through the pyroelectric effect on a polar dielectric crystal. We show that by destabilizing the liquid film, periodical self-assembled multi-jets are obtained. The multi-jets operate simultaneously and could be exploited to dispense liquids with nanolitre drops. Such multiple self-assembled liquid jets have significant potential applicability for high-throughput liquid transfer by this novel pyro-EHD ink-jet approach. Since the method avoids the use of nozzles and electrodes, it is especially suitable for highly viscous liquids. Here we present and discuss the new multi-jet process and the results obtained with a liquid polymer (PDMS).

Journal/Review: LAB ON A CHIP

Volume: 11 (19)      Pages from: 3294  to: 3298

KeyWords: liquid nanodrops; pyro-electrohydrodynamic;
DOI: 10.1039/c1lc20472f

Citations: 25
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English