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.
Facile maskless fabrication of organic field effect transistors on biodegradable substrates / Campana, Alessandra; Cramer, Tobias; Greco, Pierpaolo; Foschi, Giulia; Murgia, Mauro; Biscarini, Fabio. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - STAMPA. - 103:7(2013), pp. 073302-N/A. [10.1063/1.4818549]
Facile maskless fabrication of organic field effect transistors on biodegradable substrates
FOSCHI, GIULIA;BISCARINI, FABIO
2013
Abstract
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.
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