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https://hdl.handle.net/10316/111900
Título: | Recyclable Thin-Film Soft Electronics for Smart Packaging and E-Skins | Autor: | Reis Carneiro, Manuel Almeida, Aníbal T. de Tavakoli, Mahmoud Majidi, Carmel |
Palavras-chave: | direct ink writing; e-waste; flexible electronics; green electronics; microchip integration; printed electronics; recyclable electronics; smart packaging; soft circuits | Data: | Set-2023 | Editora: | Wiley-Blackwell | Projeto: | SFRH/BD/150691/2020 European Commission through the European Research Council project Liquid3D | GA 101045072 | ERC-2021-COG CMU-Portugal project WoW (45913), which had the support of the European Regional Development Fund (ERDF) and the Portuguese State through Portugal 2020 and COMPETE 2020 |
Título da revista, periódico, livro ou evento: | Advanced Science | Volume: | 10 | Número: | 26 | Resumo: | Despite advances in soft, sticker-like electronics, few efforts have dealt with the challenge of electronic waste. Here, this is addressed by introducing an eco-friendly conductive ink for thin-film circuitry composed of silver flakes and a water-based polyurethane dispersion. This ink uniquely combines high electrical conductivity (1.6 × 105 S m-1 ), high resolution digital printability, robust adhesion for microchip integration, mechanical resilience, and recyclability. Recycling is achieved with an ecologically-friendly processing method to decompose the circuits into constituent elements and recover the conductive ink with a decrease of only 2.4% in conductivity. Moreover, adding liquid metal enables stretchability of up to 200% strain, although this introduces the need for more complex recycling steps. Finally, on-skin electrophysiological monitoring biostickers along with a recyclable smart package with integrated sensors for monitoring safe storage of perishable foods are demonstrated. | URI: | https://hdl.handle.net/10316/111900 | ISSN: | 2198-3844 2198-3844 |
DOI: | 10.1002/advs.202301673 | Direitos: | openAccess |
Aparece nas coleções: | I&D ISR - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Advanced Science - 2023 - Reis Carneiro - Recyclable Thin‐Film Soft Electronics for Smart Packaging and E‐Skins.pdf | 4.1 MB | Adobe PDF | Ver/Abrir |
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