Laser-assisted reduction of graphene oxide for paper based large area flexible electronics

E. Balliu; H. Andersson; M. Engholm; S. Forsberg; H. Olin

doi:10.1117/12.2212474

18 March 2016 Laser-assisted reduction of graphene oxide for paper based large area flexible electronics

E. Balliu, H. Andersson, M. Engholm, S. Forsberg, H. Olin

Proceedings Volume 9736, Laser-based Micro- and Nanoprocessing X; 973610 (2016) https://doi.org/10.1117/12.2212474
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

In this work we present a promising method for fabrication of conductive tracks on paper based substrates by laser assisted reduction of Graphene Oxide (GO). Printed electronics on paper based substrates is be coming more popular due to lower cost and recyclability. Fabrication of conductive tracks is of great importance where metal, carbon and polymer inks are commonly used. An emerging option is reduced graphene oxide (r-GO), which can be a good conductor. Here we have evaluated reduction of GO by using a 532 nm laser source, showing promising results with a decrease of sheet resistance from >100 M Ω/Sqr for unreduced GO down to 126 Ω/Sqr. without any observable damage to the paper substrates.

Citation Download Citation

E. Balliu, H. Andersson, M. Engholm, S. Forsberg, and H. Olin "Laser-assisted reduction of graphene oxide for paper based large area flexible electronics", Proc. SPIE 9736, Laser-based Micro- and Nanoprocessing X, 973610 (18 March 2016); https://doi.org/10.1117/12.2212474

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