Direct laser printing of thin-film polyaniline devices
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- Kandyla, M., Pandis, C., Chatzandroulis, S. et al. Appl. Phys. A (2013) 110: 623. doi:10.1007/s00339-012-7127-8
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We report the fabrication of electrically functional polyaniline thin-film microdevices. Polyaniline films were printed in the solid phase by Laser-Induced Forward Transfer directly between Au electrodes on a Si/SiO2 substrate. To apply solid-phase deposition, aniline was in situ polymerized on quartz substrates. Laser deposition preserves the morphology of the films and delivers sharp features with controllable dimensions. The electrical characteristics of printed polyaniline present ohmic behavior, allowing for electroactive applications. Results on gas sensing of ammonia are presented.