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Biodegradable and Insoluble Cellulose Photonic Crystals and Metasurfaces.
Caligiuri, Vincenzo; Tedeschi, Giacomo; Palei, Milan; Miscuglio, Mario; Martin-Garcia, Beatriz; Guzman-Puyol, Susana; Hedayati, Mehdi Keshavarz; Kristensen, Anders; Athanassiou, Athanassia; Cingolani, Roberto; Sorger, Volker J; Salerno, Marco; Bonaccorso, Francesco; Krahne, Roman; Heredia-Guerrero, José Alejandro.
Afiliación
  • Caligiuri V; Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy.
  • Tedeschi G; Dipartimento di Fisica, Università della Calabria, 87036 Rende, Italy.
  • Palei M; CNR Nanotec, Università della Calabria, 87036 Rende, Italy.
  • Miscuglio M; Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy.
  • Martin-Garcia B; Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy.
  • Guzman-Puyol S; Department of Electrical Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States.
  • Hedayati MK; Department of Electrical and Computer Engineering, George Washington University, Washington, DC 20052, United States.
  • Kristensen A; Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy.
  • Athanassiou A; CIC nanoGUNE, Tolosa Hiribidea 76, 20018 Donostia-San Sebastian, Basque Country, Spain.
  • Cingolani R; Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy.
  • Sorger VJ; IHSM La Mayora, Departamento de Mejora Genética y Biotecnología, Consejo Superior de Investigaciones Científicas, E-29750 Algarrobo-Costa, Málaga, Spain.
  • Salerno M; Department of Engineering, Durham University, Durham DH1 3LE, United Kingdom.
  • Bonaccorso F; Department of Health Technology, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark.
  • Krahne R; Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy.
  • Heredia-Guerrero JA; Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy.
ACS Nano ; 14(8): 9502-9511, 2020 08 25.
Article en En | MEDLINE | ID: mdl-32559065
The replacement of plastic with eco-friendly and biodegradable materials is one of the most stringent environmental challenges. In this respect, cellulose stands out as a biodegradable polymer. However, a significant challenge is to obtain biodegradable materials for high-end photonics that are robust in humid environments. Here, we demonstrate the fabrication of high-quality micro- and nanoscale photonic and plasmonic structures via replica molding using pure cellulose and a blended version with nonedible agro-wastes. Both materials are biodegradable in soil and seawater according to the ISO 17556 standard. The pure cellulose films are transparent in the vis-NIR spectrum, having a refractive index similar to glass. The microstructured photonic crystals show high-quality diffractive properties that are maintained under extended exposure to water. Nanostructuring the cellulose transforms it to a biodegradable metasurface manifesting bright structural colors. A subsequent deposition of Ag endowed the metasurface with plasmonic properties used to produce plasmonic colors and for surface-enhanced Raman scattering.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Celulosa / Óptica y Fotónica Idioma: En Revista: ACS Nano Año: 2020 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Celulosa / Óptica y Fotónica Idioma: En Revista: ACS Nano Año: 2020 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Estados Unidos