Nanoscale, Electrified Liquid Jets for High-Resolution Printing of Charge

Title
Nanoscale, Electrified Liquid Jets for High-Resolution Printing of Charge
Author(s)
송태섭박장웅[박장웅]이상규[이상규]Sakulsuk Unarunotai[Sakulsuk Unarunotai]Yugang Sun[Yugang Sun]Simon Dunham[Simon Dunham]Placid M. Ferreira[Placid M. Ferreira]Andrew G. Alleyene[Andrew G. Alleyene]백운규[백운규]John A. Rogers[John A. Rogers]
Keywords
NANOPARTICLES; ELECTRETS; PATTERNS; ELECTROSPRAY; TRANSISTORS; MECHANISM; CONTACT
Issue Date
201002
Publisher
AMER CHEMICAL SOC
Citation
NANO LETTERS, v.10, no.2, pp.584 - 591
Abstract
Nearly all research in micro- and nanofabrication focuses on the formation of solid structures of materials that perform some mechanical, electrical, optical, or related function. Fabricating patterns of charges, by contrast, is a much less well explored area that is of separate and growing interesting because the associated electric fields can be exploited to control the behavior of nanoscale electronic and mechanical devices, guide the assembly of nanomaterials, or modulate the properties of biological systems. This paper describes a versatile technique that uses fine, electrified liquid jets formed by electrohydrodynamics at micro- and nanoscale nozzles to print complex patterns of both positive and negative charges, with resolution that can extend into the submicrometer and nanometer regime. The reported results establish the basic aspects of this process and demonstrate the capabilities through printed patterns with diverse geometries and charge configurations in a variety of liquid inks, including suspensions of nanoparticles and nanowires. The use of printed charge to control the properties of silicon nanomembrane transistors provides an application example.
URI
http://hdl.handle.net/YU.REPOSITORY/22921http://dx.doi.org/10.1021/nl903495f
ISSN
1530-6984
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공과대학 > 신소재공학부 > Articles
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