Plasmonic behaviour of poly(2-ethyl-2-oxazoline)-coated gold nanoparticles for sensing and temperature-control applications

Gold nanoparticles functionalized with xanthate-poly(2-ethyl-2-oxazoline) (PEtOx-AuNPs) were investigated as thermoresponsive hybrid nanomaterials with tunable optical and thermal properties. The PEtOx-AuNPs exhibited changes in surface plasmon resonance (SPR) and amplified Surface-Enhanced Raman Scattering (SERS) signals during the reversible lower critical solution temperature (LCST) transition of the PEtOx ligand. The effect of the PEtOx coating on the photophysical properties of AuNPs, particularly on heat generation efficiency upon photoexcitation by Z-scan photothermal lens spectroscopy, was investigated. The results demonstrate the potential of PEtOx-AuNPs for applications in temperature-sensitive drug delivery, photothermal therapy, nanoscale heat generation, and photonic devices.

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Publication Details

Journal
Nanoscale Advances
Published
2025-01-01
DOI
https://doi.org/10.1039/d5na00243e
Citations
4
Primary Topic
Gold and Silver Nanoparticles Synthesis and Applications
Type
article
Field-Weighted Citation Impact
1.71

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article

Plasmonic behaviour of poly(2-ethyl-2-oxazoline)-coated gold nanoparticles for sensing and temperature-control applications

Oksana Krupka, Pavlo Khort, Oleg A. Yeshchenko, Catherine Passirani et al.
4 citations
Nanoscale Advances
Gold and Silver Nanoparticles Synthesis and Applications
1.71
article

Plasmonic behaviour of poly(2-ethyl-2-oxazoline)-coated gold nanoparticles for sensing and temperature-control applications

Oksana Krupka, Pavlo Khort, Oleg A. Yeshchenko, Catherine Passirani, Julien-Bilal Zinoune, Patrick Saulnier, Tony Breton, Georges Boudebs, Oles Fedotov, Léa Daoud
article en
4 citations

Abstract

Gold nanoparticles functionalized with xanthate-poly(2-ethyl-2-oxazoline) (PEtOx-AuNPs) were investigated as thermoresponsive hybrid nanomaterials with tunable optical and thermal properties. The PEtOx-AuNPs exhibited changes in surface plasmon resonance (SPR) and amplified Surface-Enhanced Raman Scattering (SERS) signals during the reversible lower critical solution temperature (LCST) transition of the PEtOx ligand. The effect of the PEtOx coating on the photophysical properties of AuNPs, particularly on heat generation efficiency upon photoexcitation by Z-scan photothermal lens spectroscopy, was investigated. The results demonstrate the potential of PEtOx-AuNPs for applications in temperature-sensitive drug delivery, photothermal therapy, nanoscale heat generation, and photonic devices.

Nanoscale AdvancesVol. 7(13)
Centre National de la Recherche Scientifique (FR), Inserm (FR), Taras Shevchenko National University of Kyiv (UA), Institut des Sciences et Technologies Moléculaires d'Angers (FR), Université d'Angers (FR)
Agence Nationale de la Recherche, Ministry of Education and Science of Ukraine, Angers Loire Métropole, Universite Angers
Openalex Percentile: Top 16%
Gold and Silver Nanoparticles Synthesis and Applications
1.71
DOIOpen Access PDFOpenAlex
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Plasmonic behaviour of poly(2-ethyl-2-oxazoline)-coated gold nanoparticles for sensing and temperature-control applications — Oksana Krupka, Pavlo Khort, et al. · Nanoscale Advances (2025) | TGRS Research Map | TGRS