Laser-Induced Carbonized Paper from Fruit Waste

Sustainable paper-based electronics fabricated via CO₂ laser carbonization on fruit waste-derived substrates (apple, kiwi, grape). Achieves amorphous carbon layer with 366 Ω/□ sheet resistance. Demonstrates full biodegradability (40-day dissolution in citric acid), biocompatibility with human cells, and seed germination capability. Applications include capacitors, biosensors, ECG electrodes, and food quality monitoring. Represents circular electronics platform with zero e-waste.

Famiglia
Bio-based Paper Electronics
Biodegradazione
Complete dissolution within 40 days in citric acid solution
Prestazioni elettriche
Sheet resistance 366 Ω/□ ± 25 Ω/□; Capacitance 0.5-16 pF; Dielectric constant εᵣ = 2.9 at 5 MHz
TRL · valutazione BioNexus
TRL 4

Come si produce

CO₂ laser carbonization at 378 mm/s, 3W power, 5mm defocus, 2.5h FR immersion on Favini Crush Paper substrates

Fonte di ricerca

Cantarella, G., et al. 'Laser-Induced, Green and Biocompatible Paper-Based Devices for Circular Electronics.' Advanced Functional Materials 33.17 (2023): 2210422. DOI: 10.1002/adfm.202210422