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Sustainable wood electronics by iron-catalyzed laser-induced graphitization for large-scale applications

Engineering and Technology

Sustainable wood electronics by iron-catalyzed laser-induced graphitization for large-scale applications

C. H. Dreimol, H. Guo, et al.

This groundbreaking study by Christopher H. Dreimol and team reveals the innovative iron-catalyzed laser-induced graphitization (IC-LIG) technique, which fabricates highly conductive structures on wood. From strain sensors to electroluminescent devices, this method unlocks sustainable possibilities in wood electronics.

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Playback language: English
Abstract
This study introduces iron-catalyzed laser-induced graphitization (IC-LIG) as a novel method for creating large-scale, highly conductive structures on wood. An iron-tannic acid ink protects the wood and promotes efficient graphitization, enabling single-step engraving of conductive patterns (≥2500 S m⁻¹) on even thin veneers. The technique's versatility is demonstrated through the fabrication of strain sensors, flexible electrodes, capacitive touch panels, and an electroluminescent device, showcasing its potential for sustainable wood electronics.
Publisher
Nature Communications
Published On
Jun 17, 2022
Authors
Christopher H. Dreimol, Huizhang Guo, Maximilian Ritter, Tobias Keplinger, Yong Ding, Roman Günther, Erik Poloni, Ingo Burgert, Guido Panzarasa
Tags
iron-catalyzed graphitization
laser-induced graphitization
conductive structures
sustainable electronics
wood materials
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