Laser-Induced,Green and Biocompatible Paper-Based Devices for Circular Electronics |
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Authors: | Giuseppe Cantarella Mallikarjun Madagalam Ignacio Merino Christian Ebner Manuela Ciocca Andrea Polo Pietro Ibba Paolo Bettotti Ahmad Mukhtar Bajramshahe Shkodra AKM Sarwar Inam Alexander J Johnson Arash Pouryazdan Matteo Paganini Raphael Tiziani Tanja Mimmo Stefano Cesco Niko Münzenrieder Luisa Petti Nitzan Cohen Paolo Lugli |
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Affiliation: | 1. Department of Physics, Informatics and Mathematics, University of Modena and Reggio Emilia, 41125 Modena, Italy;2. Department of Applied Science and Technology, Politecnico di Torino, 10129 Torino, Italy;3. Faculty of Design and Art, Free University of Bozen-Bolzano, 39100 Bolzano, Italy;4. Faculty of Science and Technology, Free University of Bozen-Bolzano, 39100 Bolzano, Italy;5. Nanoscience Laboratory, Department of Physics, University of Trento, 38123 Trento, Italy;6. Sensor Technology Research Centre, University of Sussex. Falmer, Brighton, BN1 9QT UK;7. Environmental Physiology Lab, Department of Biomedical Sciences, University of Padova, 35121 Padova, Italy |
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Abstract: | The growing usage and consumption of electronics-integrated items into the daily routine has raised concerns on the disposal and proper recycling of these components. Here, a fully sustainable and green technology for the fabrication of different electronics on fruit-waste derived paper substrate, is reported. The process relies on the carbonization of the topmost surface of different cellulose-based substrates, derived from apple-, kiwi-, and grape-based processes, by a CO2 laser. By optimizing the lasing parameters, electronic devices, such as capacitors, biosensors, and electrodes for food monitoring as well as heart and respiration activity analysis, are realized. Biocompatibility tests on fruit-based cellulose reveal no shortcoming for on-skin applications. The employment of such natural and plastic-free substrate allows twofold strategies for electronics recycling. As a first approach, device dissolution is achieved at room temperature within 40 days, revealing transient behavior in natural solution and leaving no harmful residuals. Alternatively, the cellulose-based electronics is reintroduced in nature, as possible support for plant seeding and growth or even soil amendment. These results demonstrate the realization of green, low-cost and circular electronics, with possible applications in smart agriculture and the Internet-of-Thing, with no waste creation and zero or even positive impact on the ecosystem. |
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Keywords: | circular and sustainable electronics flexible electronics green electronics healthcare laser-induced electronics papers |
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