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Journal Article Spontaneously Formed Wrinkled Substrates for Stretchable Electronics Using Intrinsically Rigid Materials
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Authors
Ji-Young Oh, Joo Yeon Kim, Chan Woo Park, Soon Won Jung, Bock Soon Na, Keunsoo Lee, Nae-Man Park, Sang Seok Lee, Jae Bon Koo, Chi-Sun Hwang
Issue Date
2016-05
Citation
IEEE Electron Device Letters, v.37, no.5, pp.588-590
ISSN
0741-3106
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/LED.2016.2548019
Abstract
The preparation of a stretchable substrate was carried out by blending poly (ethylene glycol)-block-poly (propylene glycol)-block-poly(ethylene glycol) and polydimethylsiloxane (PDMS) to enhance the stretchability and the surface energy of the elastic film. The deposition of a thin parylene film on this modified PDMS led to the formation of a spontaneously wrinkled surface, resulting in a highly stretchable substrate. Rigid Au conductors were deposited on the resultant wrinkles substrates, and could be stretched up to 20% strain. In addition, stretchable pentacene thin-film transistors were successfully fabricated on the wrinkled substrate without the formation of stiff islands.
KSP Keywords
Pentacene thin-film transistors, Poly (ethylene glycol)(PEG), Rigid materials, STRETCHABLE ELECTRONICS, Stretchable substrate, Thin-Film Transistor(TFT), elastic film, ethylene Glycol(Poly), highly stretchable, propylene glycol, surface energy