Publication

Bio-based carbon as functional material in sustainable printed electronics

2026

Abstract

The production and disposal of short-term-use electronics pose significant environmental implications due to intensive resource use, hazardous processing, and growing electronic waste. We present the synthesis of a bio-based carbon ink as a sustainable functional material for printed electronics, demonstrating its application potential as temperature sensor and heater on uncoated paper substrate for the realization of fully bio-based and potentially biodegradable devices. For temperature sensing, a thermal coefficient of resistance of –2.3 * 10–3 K−1 was obtained, while the heating element exhibited temperatures of up to 160 °C at 0.5 W.

Official source

https://infoscience.epfl.ch/entities/publication/4381ca71-1847-4d77-b3b8-5b969deb9bb9

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2026

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/4381ca71-1847-4d77-b3b8-5b969deb9bb9

About this result

Related concepts (27)

Electronic waste

Electronic waste or e-waste describes discarded electrical or electronic devices. It is also commonly known as waste electrical and electronic equipment (WEEE) or end-of-life (EOL) electronics. Used electronics which are destined for refurbishment, reuse, resale, salvage recycling through material recovery, or disposal are also considered e-waste. Informal processing of e-waste in developing countries can lead to adverse human health effects and environmental pollution.

Electronic waste recycling

Electronic waste recycling, electronics recycling or e-waste recycling is the disassembly and separation of components and raw materials of waste electronics; when referring to specific types of e-waste, the terms like computer recycling or mobile phone recycling may be used. Like other waste streams, re-use, donation and repair are common sustainable ways to dispose of IT waste. Since its inception in the early 1990s, more and more devices are recycled worldwide due to increased awareness and investment.

Hazardous waste

Hazardous waste is waste that has substantial or potential threats to public health or the environment. Hazardous waste is a type of dangerous goods. They usually have one or more of the following hazardous traits: ignitability, reactivity, corrosivity, toxicity. Listed hazardous wastes are materials specifically listed by regulatory authorities as hazardous wastes which are from non-specific sources, specific sources, or discarded chemical products. Hazardous wastes may be found in different physical states such as gaseous, liquids, or solids.

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Bio-based carbon as functional material in sustainable printed electronics

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