Graphene was encapsulated within the crystal lattice of Cu via the chemical route to molecularly doped metals affording an excellent electrical conductor dubbed herein “CuproGraf”. Metal bars in CuproGraf embedding less than 0.5 wt% graphene obtained by heating followed by hot rolling show nearly 7% lower resistivity when compared to a copper bar obtained from pure Cu powder using the same non-optimized hot rolling procedure. Considering the ease of CuproGraf preparation, and that substantial room for improvement exists by adopting a different CuproGraf powder sintering route to produce bulk wires and foils, the method is promising towards replacement of silver-plated copper wires or similar enhanced conductors wherein higher conductivity than that of copper is required.
- Open Access
- Article
CuproGraf: Towards Readily Accessible Copper of Enhanced Electrical Conductivity
- Matteo Formenti 1,
- Rosaria Ciriminna 2,*,
- Giorgia Lupi 3,
- Carlo Fanciulli 4,
- Cristina Della Pina 1,5,*,
- Riccardo Casati 3,*,
- Mario Pagliaro 2,*
Author Information
Received: 03 Oct 2025 | Revised: 01 Dec 2025 | Accepted: 02 Dec 2025 | Published: 09 Dec 2025
Abstract
Graphical Abstract
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