ANR-FWF - Appel à projets générique 2020 - FWF

Nanoarchitected films for unbreakable flexible electronics – NanoFilm

Submission summary

Foldable and rollable electronic displays as well as wearable sensors are almost a reality for consumers. The main technological obstacle is manufacturing these innovative devices to be unbreakable. Devices, such as the Samsung foldable phone, need to be mechanically and electrically durable for 100,000 folding or stretching cycles. Up until now, the micro- and nanosized flexible electronics cannot withstand the mechanical loading (folding or stretching) because cracks form which stop the electric current flow, causing the device to no longer function. A possible solution is to properly tailor the thin materials used in flexible devices in order to generate electrically conductive materials that do not break. The research team made of Austrian and French partners will create unique thin film materials (less than 1 µm thick) by patterning two or more metals to form 1D, 2D and 3D nanomaterials, or nanocomposites. Through the combination of high strength and conductive metals with micro- and nanoscale patterning made with a special 3D printer, unbreakable nanomaterials ideal for foldable and stretchable electronics will be discovered. Not only will the team create these new materials, they will also test the various nanostructured systems by stretching (along one and two axes) and folding. The testing methods that will be used are only available within both partner’s laboratories and the experimental techniques can directly connect the mechanical behavior with the electrical behavior by 3D imaging the surfaces, measuring the electrical resistance, or even measuring the stresses that evolve during stretching or folding. The results from this project will remove the technological obstacle and finally make foldable, rollable, stretchable, and wearable electronic devices available to customers.

Project coordinator

Monsieur Damien Faurie (Laboratoire des Sciences des Procédés et des Matériaux)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

LSPM-CNRS Laboratoire des Sciences des Procédés et des Matériaux
ESI ERICH SCHMID INSTITUTE OF MATERIALS SCIENCE
Pprime Institut P' : Recherche et Ingénierie en Matériaux, Mécanique et Energétique

Help of the ANR 281,068 euros
Beginning and duration of the scientific project: January 2021 - 42 Months

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