Leaf Vein-Inspired Electrospraying System by Grafting Origami

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Stable, long-term divisions of a water stream into two or more under electric fields (often for electrospray) have not been achieved owing to water's high surface tension (72 dyn/cm), even though it seems to be a simple technical problem. In nature, leaf veins evenly distribute water to cells, despite the numerous bifurcating divisions of veins. The main reason is the extensive interconnections among veins. Herein, we discuss a stably operating multichannel water electrospray system. The system is called a ""Leaf vein-inspired Electrospraying system by Grafting Origami (LEsGO)"" and was inspired by leaf vein structures. LEsGO is a hierarchical electrospraying system prepared with cellulose paper; multiple channels can be constructed through the simple grafting of a two channel paper unit. We demonstrate a 600% increase in water-spraying performance in an eight-channel LEsGO compared with conventional single-nozzle systems. LEsGO may potentially contribute to devices such as mass analyzers, microencapsulators, and dust removers.
Publisher
AMER CHEMICAL SOC
Issue Date
2016-11
Language
English
Article Type
Article
Keywords

IN-OIL EMULSIONS; CONE-JET MODE; SURFACE-TENSION; WATER DROPLETS; L-LACTIDE; POLYMERIZATION; ATOMIZATION; FABRICATION; DISCHARGE; PROTEIN

Citation

CHEMISTRY OF MATERIALS, v.28, no.21, pp.7990 - 7996

ISSN
0897-4756
DOI
10.1021/acs.chemmater.6b03702
URI
http://hdl.handle.net/10203/216096
Appears in Collection
ME-Journal Papers(저널논문)CH-Journal Papers(저널논문)
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