Abstract
The first use of water-dispersible Ag nanoparticle (Ag NP)-based ink to produce conductive leaf vein networks in flexible bending/pressure sensors was reported. Homogeneous deposition of the Ag NPs on the leaf vein network was achieved via Ag NP self-assembly based on electrostatic interactions between polycations and polyanions. The Ag NP covered leaf vein network was annealed at 150 °C to impart conductive properties with a resistance of ~3 to 5 Ω. The networks were utilized in potential application as flexible bending and pressure sensors.
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