Abstract
Networked structures of Ag nanowires (AgNWs) are promising candidates for producing a wide range of flexible electronic devices. Embedding AgNWs into the surface of a transparent polymer film is considered a powerful method for achieving high flexibility as well as competitive electrical/optical performance, but only if they can be suitably formed and retain their electrical characteristics when peeling the film from the substrate. Here, we synthesized a new transparent polymer by mixing a photoreactive Diels–Alder (DA) adduct with a UV-curable urethane acrylate. An interesting feature of this polymer is that the retro-DA reaction that occurs upon heating enables a smooth release of the cured polymer from the glass support, even by a manual peeling-off procedure. A comparison of the sheet resistance of the electrodes before and after peeling revealed an increase of less than 10%. The fabricated electrode was highly flexible and showed improved surface roughness. Furthermore, a satisfactory portion of the AgNWs remained exposed to air, which is optimal for their use in the fabrication of thin film devices.
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