Intense 1400–1600 nm circularly polarised luminescence from homo- and heteroleptic chiral erbium complexes.
In: Journal of Materials Chemistry C, Jg. 11 (2023-04-28), Heft 16, S. 5290-5296
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Zugriff:
Efficient near-infrared circularly polarised luminescence (CPL) between 1400 and 1600 nm of four enantiomer pairs of homo- and heteroleptic complexes has been successfully measured. Utilising inexpensive optics and a commercial fluorimeter, discrimination of the left and right circularly polarised components was achieved, yielding remarkably high dissymmetry values in emission (g lum ). Most notably, homoleptic complexes CsEr(hfbc) 4 (hfbc = 3-heptafluorobutylyrylcamphorate) and [TMG−H + ] 3 Er(BINOLate) 3 (TMG = 1,1,3,3-tetramethylguanidine; BINOLate = 1,1′-bi-2-naphtholate) show maximal ‖g lum ‖ values of 0.83 (at 1510 nm) and 0.29 (at 1545 nm) respectively, with the former complex possessing the strongest CPL within the NIR to date. [ABSTRACT FROM AUTHOR]
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Titel: |
Intense 1400–1600 nm circularly polarised luminescence from homo- and heteroleptic chiral erbium complexes.
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Autor/in / Beteiligte Person: | Willis, Oliver G. ; Pucci, Andrea ; Cavalli, Enrico ; Zinna, Francesco ; Di Bari, Lorenzo |
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Zeitschrift: | Journal of Materials Chemistry C, Jg. 11 (2023-04-28), Heft 16, S. 5290-5296 |
Veröffentlichung: | 2023 |
Medientyp: | academicJournal |
ISSN: | 2050-7526 (print) |
DOI: | 10.1039/d3tc00034f |
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