Home > Articles > Published articles > Multidimensional Data Encoding Based on Multicolor Microencapsulated Thermoresponsive Fluorescent Phase Change Materials |
Date: | 2024 |
Abstract: | Luminescent materials are emerging promising tools for digital data encoding due to their reduced cost, facile reading, robustness, and durability. For this, the use of fluorescent systems that combine multicolor emission with sensitivity to external stimuli will be highly desirable, as they can offer rewritable data encoding together with enhanced encryption security and storage density. Herein a novel strategy is pioneered to reach this goal, which exploits the temperature-responsive emission properties of the mixtures of regular fluorophores with simple organic phase change materials (PCMs) such as paraffins. By preparing a diversity of microcapsules of these mixtures comprising different dyes and PCMs, thermosensitive fluorescent pixels can be prepared in a low-cost, straightforward, and scalable manner that exhibits multicolor dynamic emission behavior. These features are capitalized to fabricate pixel arrays that perform two advanced digital encoding operations: high-security 3D information encryption, and 4D data storage. |
Grants: | Agencia Estatal de Investigación PID2021-127983OB-C21 Agencia Estatal de Investigación PID2022-141293OB-I00 Agencia Estatal de Investigación CEX2021-001214-S Agència de Gestió d'Ajuts Universitaris i de Recerca 2021/SGR-00064 |
Note: | Altres ajuts: acords transformatius de la UAB |
Rights: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. |
Language: | Anglès |
Document: | Article ; recerca ; Versió publicada |
Subject: | Anticounterfeiting ; Emission modulation ; Encoding ; Optical data storage ; Phase change materials |
Published in: | Advanced Functional Materials, (2024) , art. 2402510, ISSN 1616-301X |
10 p, 3.2 MB |