Multifunctional cellulose fibers: Intense red upconversion under 1532 nm excitation and temperature-sensing properties

The unique properties of upconverting nanoparticles are responsible for their various applications in photonic materials, medicine, analytics, or energy conversion. In this work, the NaErF4:Tm3+@NaYF4 core@shell nanoparticles were synthesized by reaction in high-boiling point solvents and incorporat...

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Bibliographic Details
Published in:Carbohydrate polymers 2022-10, Vol.294, p.119782-119782, Article 119782
Main Authors: Grzyb, Tomasz, Przybylska, Dominika, Szczeszak, Agata, Śmiechowicz, Emilia, Kulpiński, Piotr, Martín, Inocencio R.
Format: Article
Language:English
Subjects:
cellulose
Cellulose fibers
energy conversion
Lanthanides
luminescence
medicine
Nanoparticles
photons
Sensors
Upconversion
wavelengths
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Summary:The unique properties of upconverting nanoparticles are responsible for their various applications in photonic materials, medicine, analytics, or energy conversion. In this work, the NaErF4:Tm3+@NaYF4 core@shell nanoparticles were synthesized by reaction in high-boiling point solvents and incorporated into cellulose fibers. Nanoparticles showed intense upconversion under 1532 nm excitation wavelength due to Er3+ in their structure. Additional co-doping with Tm3+ ions allowed to shift of the typical green luminescence of Er3+ ions to red especially demanded in anti-counterfeiting applications. The products' composition, morphology, and structure parameters confirmed their requested properties. The article demonstrates that cellulose fibers are suitable carriers of NaErF4:Tm3+@NaYF4 NPs. We also show that the temperature-dependent emission of Er3+ ions allows for the preparation of temperature-sensing cellulose fibers. [Display omitted]
ISSN:0144-8617
1879-1344
DOI:10.1016/j.carbpol.2022.119782