Valorization of nopal wastes to produce quantum dots: optimizing synthesis and exploring in smart textile applications
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Frontiers Media SA
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Quantum carbon dots (QCDs) were efficiently synthesized from post-extraction residues generated during nopal fabric production using a hydrothermal treatment. These QCDs were applied to nopal fabrics, enhancing their UV solar radiation absorption. The synthesized QCDs exhibited fluorescence emissions in the 200–300 nm range. An eco-friendly dispersion was created by incorporating QCDs into TiO2 for use in smart textiles, which underlines our commitment to maintaining a sustainable process. Bright and fluorescent patterns were successfully applied to commercial and nopal fabrics using a spray printing technique. Additionally, the QCDs demonstrated pH-sensitive color changes, paving the way for practical applications. This work represents an initial step towards a circular economy by utilizing residues from nopal fabric production to synthesize quantum dots, which may be employed in smart textiles applications with UV absorption capabilities. Copyright © 2024 Mosqueda-Prado, Pinillos-Bernal, Ospina-Montoya, Vásquez-Rendón, Forgionny and Acelas.
Palabras clave
Fluorescence sensing, Nopal, Quantum dots, Smart textiles, Titanium oxide, Waste, Bioremediation, Carbon Quantum Dots, Graphene quantum dots, Nanorings, pH sensors, Smart textiles, Textile printing, Titanium dioxide, Carbon dots, Extraction residue, Fluorescence sensing, Hydrothermal treatments, Nopal, Quantum dot, Synthesised, Textile applications, Titania oxides, Valorisation, Nanocrystals, Fluorescence sensing, Nopal, Quantum dots, Smart textiles, Titanium oxide, Waste