4f → 3d sensitization: a luminescent Eu-Mn heteronuclear complex with a near-unity quantum yield
Materials Horizons, ISSN: 2051-6355, Vol: 10, Issue: 2, Page: 625-631
2022
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Article Description
A new heteronuclear Eu-Mn complex [Eu(N2O6)]MnBr4 (N2O6 = 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane) is designed and synthesized, which shows an intense green emission from Mn with a near-unity photoluminescence quantum yield. Measurement of excited-state dynamics demonstrated the sensitization process from Eu to Mn, which represents the first example of f → d molecular sensitization. Due to the large optical absorption cross-section of the Eu center, [Eu(N2O6)]MnBr4 shows an emission intensity 7 to 2500 times stronger than that of the Sr-Mn control complex [Sr(N2O6)]MnBr4 upon the excitation of near ultraviolet to blue light.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85144792331&origin=inward; http://dx.doi.org/10.1039/d2mh01123a; http://www.ncbi.nlm.nih.gov/pubmed/36515011; https://xlink.rsc.org/?DOI=D2MH01123A; https://dx.doi.org/10.1039/d2mh01123a; https://pubs.rsc.org/en/content/articlelanding/2023/mh/d2mh01123a
Royal Society of Chemistry (RSC)
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