High-resolution nanotransfer printing applicable to diverse surfaces via interface-targeted adhesion switching
- High-resolution nanotransfer printing applicable to diverse surfaces via interface-targeted adhesion switching
- Jae Won Jeong; Se Ryeun Yang; Yoon Hyung Hur; Seong Wan Kim; Kwang Min Baek; Soonmin Yim; Hyun-Ik Jang; Jae Hong Park; 이승용; Chong-Ook Park; Yeon Sik Jung
- Issue Date
- Nature Communications
- VOL 5, 5387-1-5387-12
- 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.
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