Flexible Conductors from Brown Algae for Green Electronics

Year: 2019

Authors: Maccagnani P., Bertoldo M., Dinelli F., Murgia M., Summonte C., Ortolani L., Pizzochero G., Verucchi R., Collini C., Capelli R.

Autors Affiliation: CNR, Ist Microelettron & Microsistemi, Via P Gobetti 101, I-40129 Bologna, Italy; CNR, Ist Sintesi Organ & Fotoreatt, Via P Gobetti 101, I-40129 Bologna, Italy; CNR, Ist Nazl Ott, Via G Moruzzi 1, I-56124 Pisa, Italy; CNR, Ist Studio Mat Nanostrutturati, Via P Gobetti 101, I-40129 Bologna, Italy; CNR, Inst Mat Elect & Magnetism, Via Cascata 56-C, I-38123 Povo, Trento, Italy; CNR, Ist Officina Mat, SS 14,Km 163-5,Area Sci Pk, I-34012 Trieste, Italy; Univ Modena & Reggio Emilia, Dipartimento Ingn E Ferrari, Via Vivarelli 10, I-41125 Modena, Italy.

Abstract: In this paper we present a novel approach 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 derived from oil, and the
possibility to disassemble the devices at the end of their life in environmentally friendly conditions.

Journal/Review: ADVANCED SUSTAINABLE SYSTEMS

Volume: 3 (6)      Pages from: 190000-1  to: 190000-7

KeyWords: Green electronics, flexible electronics, natural raw materials
DOI: 10.1002/adsu.201900001

Citations: 12
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