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Nat Commun. 2016 Jun 1;7:11477. doi: 10.1038/ncomms11477.

Robust and stretchable indium gallium zinc oxide-based electronic textiles formed by cilia-assisted transfer printing.

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School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro (Oryong-Dong), Buk-Gu, Gwangju 61005, Republic of Korea.
Graduate School of NID Fusion Technology, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-Gu, Seoul 01811, Republic of Korea.
Jeonju Centre, Korea Basic Science Institute (KBSI), Jeonju, Jeollabuk-do 54907, Republic of Korea.


Electronic textile (e-textile) allows for high-end wearable electronic devices that provide easy access for carrying, handling and using. However, the related technology does not seem to be mature because the woven fabric hampers not only the device fabrication process directly on the complex surface but also the transfer printing of ultrathin planar electronic devices. Here we report an indirect method that enables conformal wrapping of surface with arbitrary yet complex shapes. Artificial cilia are introduced in the periphery of electronic devices as adhesive elements. The cilia also play an important role in confining a small amount of glue and damping mechanical stress to maintain robust electronic performance under mechanical deformation. The example of electronic applications depicts the feasibility of cilia for 'stick-&-play' systems, which provide electronic functions by transfer printing on unconventional complex surfaces.

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