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Project

BioLIG

Copyright

lucyli

 lucyli

Accepted at UIST25

With rising climate change and e-waste, BioLIG introduces a technique to functionalize bio-based materials through laser-induced graphene (LIG) into resistive sensors and simple conductive circuits for scalable prototyping. We present three precursors and two conductivity-enhancing inks made from renewable, easy-to-obtain biomaterials and accessible, affordable machines. Besides achieving electrical properties on-par with LIG on synthetic material, we improve BioLIG robustness by introducing water resistant and biodegradable coatings that protect from environmental factors. Lastly, we fabricate various end-to-end environmental sensors and simple circuits that combines BioLIG with off-the-shelf electronics. Each application also explores the material ‘life-cycle’ including multiple ways to separate electronic components and reuse the substrate, such as dissolving, blending and composting. This work aims to contribute to sustainable packaging and environmental sensing.

Copyright

lucy li

Copyright

lucy li