Photoluminescent Polymer Aerogels with R, G and B Emission

In this work, three new polymer aerogels based on 2-hydroxy ethyl methacrylate (HEMA) complexes with Eu(III), Tb(III) and La(III) are prepared and investigated. The polymer aerogels present strong photoluminescence with emissions located in the red, green and blue regions of the visible spectrum. De...

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Bibliographic Details
Published in:International journal of molecular sciences 2022-12, Vol.23 (24), p.16004
Main Authors: Stan, Loredana, Malutan, Teodor, Volf, Irina, Popa, Marcel, Tincu, Camelia E, Stan, Corneliu S
Format: Article
Language:English
Subjects:
Asymmetry
Emission analysis
Emissions
Fluorescence spectroscopy
Ligands
Medical equipment
Moisture content
Nanoparticles
Optoelectronic devices
Photoluminescence
photoluminescent materials
Photons
polymer complexes
polymeric aerogels
Polymerization
Polymers
Polymers - chemistry
Porosity
Porous materials
Spectroscopy, Fourier Transform Infrared
Visible spectrum
Water
Water content
X ray photoelectron spectroscopy
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Summary:In this work, three new polymer aerogels based on 2-hydroxy ethyl methacrylate (HEMA) complexes with Eu(III), Tb(III) and La(III) are prepared and investigated. The polymer aerogels present strong photoluminescence with emissions located in the red, green and blue regions of the visible spectrum. Depending on the water content used during the preparation path, the consistency of the photoluminescent aerogels varies from rigid, regularly shaped monoliths to a flexible, fibrous material with very low density. The morpho-structural investigation was performed by FT-IR, XPS and SEM. Thermal behavior was also evaluated, while steady-state fluorescence spectroscopy, absolute PLQY and lifetime were used for the investigation of their luminescent properties. The impressive photoluminescent emission located in the red, green and blue areas of the visible spectrum is preserved irrespective of the selected porosity. Their photo-emissive properties, tunable porosity and the convenience of the preparation path could be some arguments for applications as photonic conversion mediums in special-purpose optoelectronic devices or sensors.
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms232416004