High-resolution nanotransfer printing applicable to diverse surfaces via interface-targeted adhesion switching

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Nanotransfer printing technology offers outstanding simplicity and throughput in the fabrication of transistors, metamaterials, epidermal sensors and other emerging devices. Nevertheless, the development of a large-area sub-50 nm nanotransfer printing process has been hindered by fundamental reliability issues in the replication of high-resolution templates and in the release of generated nanostructures. Here we present a solvent-assisted nanotransfer printing technique based on high-fidelity replication of sub-20 nm patterns using a dual-functional bilayer polymer thin film. For uniform and fast release of nanostructures on diverse receiver surfaces, interface-specific adhesion control is realized by employing a polydimethylsiloxane gel pad as a solvent-emitting transfer medium, providing unusual printing capability even on biological surfaces such as human skin and fruit peels. Based on this principle, we also demonstrate reliable printing of high-density metallic nanostructures for non-destructive and rapid surface-enhanced Raman spectroscopy analyses and for hydrogen detection sensors with excellent responsiveness.
Publisher
NATURE PUBLISHING GROUP
Issue Date
2014-11
Language
English
Article Type
Article
Keywords

MEDIATED TRANSFER PROCESS; BLOCK-COPOLYMER; THIN-FILMS; EPIDERMAL ELECTRONICS; SOFT LITHOGRAPHY; NANOWIRE ARRAYS; LARGE-AREA; NANOSTRUCTURES; FABRICATION; METAMATERIALS

Citation

NATURE COMMUNICATIONS, v.5

ISSN
2041-1723
DOI
10.1038/ncomms6387
URI
http://hdl.handle.net/10203/201079
Appears in Collection
MS-Journal Papers(저널논문)
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