Layer-by-layer assembly yields thin graphene films with near theoretical conductivity
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Contributors
Abstract
Thin films fabricated from solution-processed graphene nanosheets are of considerable technological interest for a wide variety of applications, such as transparent conductors, supercapacitors, and memristors. However, very thin printed films tend to have low conductivity compared to thicker ones. In this work, we demonstrate a simple layer-by-layer deposition method which yields thin films of highly-aligned, electrochemically-exfoliated graphene which have low roughness and nanometer-scale thickness control. By optimising the deposition parameters, we demonstrate films with high conductivity (1.3 × 105S/m) at very low thickness (11 nm). Finally, we connect our high conductivities to low inter-nanosheet junction resistances (RJ), which we estimate at RJ ~ 1kΩ.
Details
| Original language | English |
|---|---|
| Article number | 2 |
| Journal | npj 2D materials and applications |
| Volume | 9 |
| Issue number | 1 |
| Publication status | Published - Dec 2025 |
| Peer-reviewed | Yes |