The use of cellulose as a platform for flexible electronics has appeared as an interesting approach for the development of new technologies, given its unique properties. Usually, printed paper-based electronics have been carried out by standard printing methods such as, for example, screen and inkjet printing. However, since some materials of interest are insoluble, the use of such approaches is limited to soluble materials. This is the case of poly(p-phenylene vinylene) (PPV), a material that presents attractive electrical, photo-luminescent and electro-luminescent properties. In this work we demonstrate the use of femtosecond laser induced forward transfer to produce high-resolution patterns of the conductive polymer PPV onto bacterial cellulose substrate, aiming at obtaining a new approach for the development of cellulose-based structure for flexible electronics. With such approach one were able to transfer PPV, with line resolution of about 10 µm and without materials degradation. Furthermore, to increase the electrical conductivity the samples were subsequently doped being then exploited in the fabrication of functional devices. These results open new avenues in the fabrication of paper-based devices, by combining high resolution and new classes of patterning materials.
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