KAUST DepartmentPhysical Sciences and Engineering (PSE) Division
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AbstractWe present a method to start electrospinning from a polymeric drop. This method uses a pulsed laser which is focused inside the drop close to the liquid surface. The pulse cavitates the liquid and produces a protrusion from the tip of the drop. The protrusion narrows by drainage and vertical stretching, thus concentrating the electric field and increasing the charge density until it overcomes the surface tension and produces the electrified jet. This approach can reduce the required value of applied electric field to half of its value required to start convectional electrospinning from a stationary drop.
CitationLaser-induced onset of electrospinning 2010, 81 (3) Physical Review E
PublisherAmerican Physical Society (APS)
JournalPhysical Review E