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  • Enrichi, FrancescoDepartment of Engineering for Innovation Medicine, University of Verona, Strada Le Grazie 15, 37134, Verona, Italy; ISP-CNR Institute of Polar Sciences - National Research Council, Via Torino 155, 30172, Mestre-Venice, Italy,Univ Verona, Dept Engn Innovat Med, Str Grazie 15, I-37134 Verona, Italy.;Natl Res Council CNR, Inst Polar Sci ISP, Via Torino 155, I-30172 Venice, Italy. (author)

Structural and optical properties of Eu3+-doped sol–gel silica–soda glasses

  • Article/chapterEnglish2024

Publisher, publication year, extent ...

  • Springer Nature,2024
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:ltu-105405
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-105405URI
  • https://doi.org/10.1140/epjp/s13360-024-05151-wDOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-346092URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Validerad;2024;Nivå 2;2024-05-13 (hanlid);Funder: Ministero degli Affari Esteri e della Cooperazione Internazionale (MAECI); Ministero dell'Università e della Ricerca (MUR);Full text license: CC BY
  • QC 20240503
  • Rare earths (REs) incorporated in glasses, mostly in the form of RE3+ ions, have several applications such as lasers and optical amplifiers, spectral conversion layers for solar cells, light emitters and sensors. In this context, both the composition and the structural properties of the glass, as well as the dopant concentration play an important role in determining the optical properties and the efficiency of the system. Usually, the concentration of REs is small, below 1 at%, to avoid clustering and optical quenching. In this paper, we report the case of sol–gel Eu-doped silica–soda glass films. The addition of soda to silica can reduce RE clustering and precipitation, according to molecular dynamic simulations, but brings structural instabilities to the network. Here, sodium was varied from 10 to 30 at% and Eu from 0 to 8 at%. It was shown that Eu plays a significant role in the stabilization of the matrix, improving the transparency, the refractive index and the thickness of the films. The increase of Eu concentration provides a decrease of site symmetry and an increase of quantum efficiency (QY), reaching 71% for the highest 8 at% Eu doping, with remarkable absence of concentration quenching.

Subject headings and genre

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  • Mastantuoni, Gabriella G.KTH,Glykovetenskap,Division of Glycoscience, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology, and Health, KTH Royal Institute of Technology, AlbaNova University Centre, 106 91, Stockholm, Sweden(Swepub:kth)u1k4xze4 (author)
  • Cassetta, MicheleDepartment of Engineering for Innovation Medicine, University of Verona, Strada Le Grazie 15, 37134, Verona, Italy; Department of Industrial Engineering, University of Trento, 38122, Trento, Italy,Univ Verona, Dept Engn Innovat Med, Str Grazie 15, I-37134 Verona, Italy.;Univ Trento, Dept Ind Engn, I-38122 Trento, Italy. (author)
  • Sambugaro, AlessiaDepartment of Engineering for Innovation Medicine, University of Verona, Strada Le Grazie 15, 37134, Verona, Italy,Univ Verona, Dept Engn Innovat Med, Str Grazie 15, I-37134 Verona, Italy. (author)
  • Daldosso, NicolaDepartment of Engineering for Innovation Medicine, University of Verona, Strada Le Grazie 15, 37134, Verona, Italy,Univ Verona, Dept Engn Innovat Med, Str Grazie 15, I-37134 Verona, Italy. (author)
  • Martucci, AlessandroDepartment of Industrial Engineering and INSTM, University of Padova, 35131, Padua, Italy,Univ Padua, Dept Ind Engn, INSTM, I-35131 Padua, Italy. (author)
  • Vomiero, AlbertoLuleå tekniska universitet,Materialvetenskap,Department of Molecular Sciences and Nanosystems, Ca’ Foscari University of Venice, Via Torino 155, 30172, Mestre-Venice, Italy,CaFoscari Univ Venice, Dept Mol Sci & Nanosyst, Via Torino 155, I-30172 Venice, Italy.;Luleå Univ Technol, Dept Engn Sci & Math, Div Mat Sci, S-97187 Luleå, Sweden.(Swepub:ltu)albvom (author)
  • Cattaruzza, EltiDepartment of Molecular Sciences and Nanosystems, Ca’ Foscari University of Venice, Via Torino 155, 30172, Mestre-Venice, Italy,CaFoscari Univ Venice, Dept Mol Sci & Nanosyst, Via Torino 155, I-30172 Venice, Italy. (author)
  • Righini, Giancarlo C.IFAC-CNR “Nello Carrara” Institute of Applied Physics – National Research Council, MiPLab, Via Madonna del Piano 10, 50019, Sesto Fiorentino, Italy,CNR Natl Res Council, IFAC Nello Carrara Inst Appl Phys, MiPLab, Via Madonna Piano 10, I-50019 Sesto Fiorentino, Italy. (author)
  • Department of Engineering for Innovation Medicine, University of Verona, Strada Le Grazie 15, 37134, Verona, Italy; ISP-CNR Institute of Polar Sciences - National Research Council, Via Torino 155, 30172, Mestre-Venice, ItalyUniv Verona, Dept Engn Innovat Med, Str Grazie 15, I-37134 Verona, Italy.;Natl Res Council CNR, Inst Polar Sci ISP, Via Torino 155, I-30172 Venice, Italy. (creator_code:org_t)

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  • In:The European Physical Journal Plus: Springer Nature139:42190-5444

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