2024
DOI: 10.1002/chem.202401233
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Elucidating the Mechanism of Efficient Eu(III) and Yb(III) Sensitisation from a Re(I) Tetrazolato Triangular Assembly

Phillip J. Wright,
Michael C. Pfrunder,
Isaac M. Etchells
et al.

Abstract: The reaction of Re(CO)5Br with deprotonated 1H‐(5‐(2,2':6',2''‐terpyridine)pyrid‐2‐yl)tetrazole yields a triangular assembly formed by tricarbonyl Re(I) vertices. Photophysical measurements reveal blue‐green emission with a maximum at 520 nm, 32% quantum yield, and 2430 ns long‐lived excited state decay lifetime in deaerated dichloromethane solution. Coordination of lanthanoid ions to the terpyridine units red‐shifts the emission to 570 nm and also reveals efficient (90%) and fast sensitisation to both Eu(III)… Show more

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