Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume 2021, Issue 27, Pages 2696-2701Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.202100308
Keywords
Cage compounds; Hybrid materials; Luminescence; Magnetic properties; Silsesquioxanes
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Funding
- RFBR [19-53-15008]
- University of Montpellier
- CNRS [PRC2287]
- European Union (European Regional Development Fund)
- FCT/MEC [UIDB/50011/2020, UIDP/50011/2020]
- FEDER under the PT2020 Partnership Agreement
- Ministry of Science and Higher Education of the Russian Federation
- RUDN University Strategic Academic Leadership Program
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The three new cage-like tetranuclear silsesquioxanes exhibit a characteristic green-yellow emission, with the Y3+/Dy3+ compound showing field-induced Single Molecule Magnet (SMM) behavior, making it the first reported bifunctional magneto-luminescent silsesquioxane.
We report here the synthesis, structure, luminescence, and magnetic properties of three new cage-like tetranuclear silsesquioxanes (Et4N)(2)[(PhSiO1..5)(8)(Y0.75Dy0.25O1.5)(4)(O)(NO2.5)(6)(EtOH)(2)(MeCN)(2)] and (Cat)(2)[(PhSiO1.5)(8)(DyO1.5)(4)(O)(NO2.5)(6)(EtOH)(2)(MeCN)(2)] (Cat=Et4N or Ph4P). They present a characteristic green-yellow emission. The Y3+/Dy3+ compound displays in addition a field-induced Single Molecule Magnet (SMM) behavior making it the first reported bifunctional magneto-luminescent silsesquioxane.
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