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|Publication type:||Article in scientific journal|
|Type of review:||Peer review (publication)|
|Title:||Sustainable wood electronics by iron-catalyzed laser-induced graphitization for large-scale applications|
|Authors:||Dreimol, Christopher H.|
|Published in:||Nature Communications|
|Publisher / Ed. Institution:||Nature Publishing Group|
|Subjects:||Wood electronics; Laser-induced graphitization|
|Subject (DDC):||620.11: Engineering materials|
|Abstract:||Ecologically friendly wood electronics will help alleviating the shortcomings of state-of-art cellulose-based “green electronics”. Here we introduce iron-catalyzed laser-induced graphitization (IC-LIG) as an innovative approach for engraving large-scale electrically conductive structures on wood with very high quality and efficiency, overcoming the limitations of conventional LIG including high ablation, thermal damages, need for multiple lasing steps, use of fire retardants and inert atmospheres. An aqueous bio-based coating, inspired by historical iron-gall ink, protects wood from laser ablation and thermal damage while promoting efficient graphitization and smoothening substrate irregularities. Large-scale (100 cm2), highly conductive (≥2500 S m−1) and homogeneous surface areas are engraved single-step in ambient atmosphere with a conventional CO2 laser, even on very thin (∼450 µm) wood veneers. We demonstrate the validity of our approach by turning wood into highly durable strain sensors, flexible electrodes, capacitive touch panels and an electroluminescent LIG-based device.|
|Fulltext version:||Published version|
|License (according to publishing contract):||CC BY 4.0: Attribution 4.0 International|
|Departement:||School of Engineering|
|Organisational Unit:||Institute of Materials and Process Engineering (IMPE)|
|Appears in collections:||Publikationen School of Engineering|
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|2022_Dreimol-etal_Sustainable-wood-electronics.pdf||2.94 MB||Adobe PDF|
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Dreimol, C. H., Guo, H., Ritter, M., Keplinger, T., Ding, Y., Günther, R., Poloni, E., Burgert, I., & Panzarasa, G. (2022). Sustainable wood electronics by iron-catalyzed laser-induced graphitization for large-scale applications. Nature Communications, 13(3680). https://doi.org/10.1038/s41467-022-31283-7
Dreimol, C.H. et al. (2022) ‘Sustainable wood electronics by iron-catalyzed laser-induced graphitization for large-scale applications’, Nature Communications, 13(3680). Available at: https://doi.org/10.1038/s41467-022-31283-7.
C. H. Dreimol et al., “Sustainable wood electronics by iron-catalyzed laser-induced graphitization for large-scale applications,” Nature Communications, vol. 13, no. 3680, 2022, doi: 10.1038/s41467-022-31283-7.
Dreimol, Christopher H., et al. “Sustainable Wood Electronics by Iron-Catalyzed Laser-Induced Graphitization for Large-Scale Applications.” Nature Communications, vol. 13, no. 3680, 2022, https://doi.org/10.1038/s41467-022-31283-7.
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