Facile maskless fabrication of organic field effect transistors on biodegradable substrates

Fabrication of a test pattern with interdigitated gold electrodes (channel length 12 μm) on a biodegradable substrate is achieved by direct laser ablation of a Au film using a high-precision multifunction infrared-laser scan marker. The whole process involves two solvent-free steps: Au film depositi...

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Bibliographic Details
Published in:Applied physics letters 2013-08, Vol.103 (7)
Main Authors: Campana, Alessandra, Cramer, Tobias, Greco, Pierpaolo, Foschi, Giulia, Murgia, Mauro, Biscarini, Fabio
Format: Article
Language:English
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Summary:Fabrication of a test pattern with interdigitated gold electrodes (channel length 12 μm) on a biodegradable substrate is achieved by direct laser ablation of a Au film using a high-precision multifunction infrared-laser scan marker. The whole process involves two solvent-free steps: Au film deposition by sublimation followed by maskless ablation. The approach is suited for fast prototyping of a variety of materials. We demonstrate the fabrication of a water-gated organic field effect transistor on the biodegradable poly(lactic-co-glycolic acid) scaffold and its operations in water.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4818549