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Synthesis, structural and luminescent properties of Mn-doped calcium pyrophosphate (Ca2P2O7) polymorphs
Institute of Chemistry, Vilnius University, Naugarduko 24, 03225, Vilnius, Lithuania.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0003-3283-9313
Institute of Solid State Physics, University of Latvia, Kengaraga 8, Riga, 1063, Latvia.
Institute of Chemical Physics, Vilnius University, Sauletekio 3, 10257, Vilnius, Lithuania.
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2022 (English)In: Scientific Reports, E-ISSN 2045-2322, Vol. 12, no 1, article id 7116Article in journal (Refereed) Published
Abstract [en]

In the present work, three different Mn2+-doped calcium pyrophosphate (CPP, Ca2P2O7) polymorphs were synthesized by wet co-precipitation method followed by annealing at different temperatures. The crystal structure and purity were studied by powder X-ray diffraction (XRD), Fourier-transform infrared (FTIR), solid-state nuclear magnetic resonance (SS-NMR), and electron paramagnetic resonance (EPR) spectroscopies. Scanning electron microscopy (SEM) was used to investigate the morphological features of the synthesized products. Optical properties were investigated using photoluminescence measurements. Excitation spectra, emission spectra, and photoluminescence decay curves of the samples were studied. All Mn-doped polymorphs exhibited a broadband emission ranging from approximately 500 to 730 nm. The emission maximum was host-dependent and centered at around 580, 570, and 595 nm for γ-, β-, and α-CPP, respectively.

Place, publisher, year, edition, pages
Springer Nature, 2022. Vol. 12, no 1, article id 7116
National Category
Condensed Matter Physics
Research subject
Wood Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-90579DOI: 10.1038/s41598-022-11337-yISI: 000790397500046PubMedID: 35504944Scopus ID: 2-s2.0-85129363517OAI: oai:DiVA.org:ltu-90579DiVA, id: diva2:1656928
Funder
Swedish Research Council Formas, 2018-01198European Social Fund (ESF), 09.3.3-LMT-K-712-19-0069EU, Horizon 2020, 739508
Note

Validerad;2022;Nivå 2;2022-05-09 (joosat);

Funder: Vilnius University (MSF-JM-5/2021); Research Council of Lithuania (LMTLT); University of Latvia; Luleå University of Technology

Available from: 2022-05-09 Created: 2022-05-09 Last updated: 2022-09-15Bibliographically approved

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Garskaite, EditaSandberg, Dick

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