T-ERC_COG - Tremplin-ERC Consolidator Grant

Molecular switch in nanostructured hybrid materials for neuromorphic learning – MOMA

Submission summary

Artificial neural networks inspired by the functioning of the brain (so-called “neuromorphic”) offer great hope for improving computing possibilities. In order to draw conceptual parallels with the development of natural neural networks, the bottom-up approach is aimed at developing new materials that take advantage of the inherent randomness of the systems, towards the elaboration of novel neuromorphic hardware.
The overall aim of this project is to design and synthesize self-assembled nanostructured hybrid materials and operate them in charge transport, to control neuromorphic learning based on percolation with plasticity.
Such materials will be prepared by assembling ultra-small nanoparticles and switchable molecules. The randomness of the system will be controlled by chemical tools to create differentiated percolation paths at the mesoscale. A strong attention will be devoted to preserve the molecular switching – plasticity – within the hybrid materials. The molecular entities will be chosen so that their switch can be triggered or modulated by physical stimulations: electric field, temperature, light. To assess the potential of the hybrid materials as neuromorphic systems, proofs of concept of information storage and processing will be included.
Part of the innovative aspect is the extremely simple, versatile and low-cost approach for device preparation, where the materials, prepared by soft chemistry in solution, can be deposited on any substrate – including flexible substrates – by drop casting.
The project will open a new conceptual approach to research in neuromorphic electronics, where molecular switching will ensure plasticity, and where controlling structural disorder will help for tuning percolation. Nano-structuration in the hybrid materials will allow an ultimate scale-down of elementary components for neuromorphic analogy: few molecules for a synapse, nanoparticles of ~100-200 atoms for a neuron.

Project coordination


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.



Help of the ANR 113,481 euros
Beginning and duration of the scientific project: August 2023 - 24 Months

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