Barsotti, J;
Rapidis, AG;
Hirata, I;
Greco, F;
Cacialli, F;
Mattoli, V;
(2021)
Ultrathin, Ultra‐Conformable, and Free‐Standing Tattooable Organic Light‐Emitting Diodes.
Advanced Electronic Materials
, 7
(3)
, Article 2001145. 10.1002/aelm.202001145.
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Abstract
A novel tattooable, ultrathin, green organic light‐emitting diode (OLED) fabricated on top of commercial temporary tattoo paper, is demonstrated. The transfer mechanism relies on dissolution of the sacrificial layer typically incorporated in paper‐tattoos. The ready‐to‐use device can be stored on the tattoo substrate and released on the target surface at a later time, simply by a slight wetting of the tattoo paper with water. This approach provides a quick and easy method of transferring OLEDs on virtually any surface. This is particularly appealing, in perspective, for on‐skin and disposable electronic applications. The proof of concept demonstrates, for the very first time, the feasibility of ultrathin operational OLED tattoos. While the performance of such devices is not yet comparable with that of OLEDs on rigid or flexible non‐tattooable substrates, the results show the potential for an OLED tattoo technology in integrated conformable electronic circuits.
| Type: | Article |
|---|---|
| Title: | Ultrathin, Ultra‐Conformable, and Free‐Standing Tattooable Organic Light‐Emitting Diodes |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1002/aelm.202001145 |
| Publisher version: | https://doi.org/10.1002/aelm.202001145 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | conformable electronics, free‐standing diodes, soft electronics, tattooable electronics, ultrathin OLEDs |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10123250 |
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