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In this paper a novel approach is presented to prepare flexible and transparent conducting films, whose components can be separated and recovered via a recycling process. The fabrication method is based on low power sputtering of ultrathin gold layers on sodium alginate free‐standing films. The resulting foils are thin, easy to handle, and shape, while showing good conductive properties. In particular, they show excellent resistance to mechanical stress, like bending or rubbing, and are highly stable in ambient atmosphere over several months. Therefore they may represent a very promising candidate to be employed in green electronics, thanks to the reduced energy consumption required for their fabrication, the absence of toxic components or chemicals that are derived from oil, and the possibility to disassemble the devices at the end of their life in environmentally friendly conditions.
Publication date: 
1 Jun 2019

Piera Maccagnani, Monica Bertoldo, Franco Dinelli, Mauro Murgia, Caterina Summonte, Luca Ortolani, Giulio Pizzochero, Roberto Verucchi, Cristian Collini, Raffaella Capelli

Biblio References: 
Volume: 3 Issue: 6 Pages: 1900001
Advanced Sustainable Systems