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Biobased Carbon Dots: From Fish Scales to Photocatalysis
Department of Molecular Sciences and Nanosystems, Università Ca’ Foscari di Venezia, Via Torino 155, 30172 Venezia Mestre, Italy.
Department of Molecular Sciences and Nanosystems, Università Ca’ Foscari di Venezia, Via Torino 155, 30172 Venezia Mestre, Italy.
Department of Molecular Sciences and Nanosystems, Università Ca’ Foscari di Venezia, Via Torino 155, 30172 Venezia Mestre, Italy.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science. Department of Molecular Sciences and Nanosystems, Università Ca’ Foscari di Venezia, Via Torino 155, 30172 Venezia Mestre, Italy.ORCID iD: 0000-0003-2935-1165
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2021 (English)In: Nanomaterials, E-ISSN 2079-4991, Vol. 11, no 2, article id 524Article in journal (Refereed) Published
Abstract [en]

The synthesis, characterization and photoreduction ability of a new class of carbon dots made from fish scales is here described. Fish scales are a waste material that contains mainly chitin, one of the most abundant natural biopolymers, and collagen. These components make the scales rich, not only in carbon, hydrogen and oxygen, but also in nitrogen. These self-nitrogen-doped carbonaceous nanostructured photocatalyst were synthesized from fish scales by a hydrothermal method in the absence of any other reagents. The morphology, structure and optical properties of these materials were investigated. Their photocatalytic activity was compared with the one of conventional nitrogen-doped carbon dots made from citric acid and diethylenetriamine in the photoreduction reaction of methyl viologen.

Place, publisher, year, edition, pages
MDPI, 2021. Vol. 11, no 2, article id 524
Keywords [en]
carbon dots, sustainability, bio-sourced functional materials, metal-free photoredox catalysis, circular economy, circular chemistry
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Experimental Physics
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URN: urn:nbn:se:ltu:diva-83211DOI: 10.3390/nano11020524ISI: 000622890300001PubMedID: 33670807Scopus ID: 2-s2.0-85101463642OAI: oai:DiVA.org:ltu-83211DiVA, id: diva2:1535446
Note

Validerad;2021;Nivå 2;2021-03-09 (alebob)

Available from: 2021-03-09 Created: 2021-03-09 Last updated: 2023-10-28Bibliographically approved

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Vomiero, AlbertoYou, Shujie

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