Design, synthesis, and photophysical properties of Re(I) tricarbonyl 1,10-phenanthroline complexes

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Issue Date
2021-01-05
Authors
Komreddy, Venugopal R.
Ensz, Kevin
Nguyen, Huy A.
Rillema, D. Paul
Moore, Curtis E.
Advisor
Citation

Komreddy, Venugopal R.; Ensz, Kevin; Nguyen, Huy A.; Rillema, D. Paul; Moore, Curtis E. 2021. Design, synthesis, and photophysical properties of Re(I) tricarbonyl 1,10-phenanthroline complexes. Journal of Molecular Structure, vol. 1223:art. no. 128739

Abstract

A series of [Re(5-R-phen)(CO)3(X)]0/+, where phen = 1,10-phenanthroline, R = H, CN, COOH, COONH2, and X = Cl or pyridine, was prepared and characterized by elemental analyses, NMR, Vis/UV, emission and cyclic voltammetry. The complexes absorb in the near-ultraviolet region of the spectrum, emit between 550 and 600 nm with emission lifetimes between 150 and 500 ns, undergo irreversible oxidation at 1.45 V and a reversible reduction of the 1,10-phenanthroline ligand near −1.30 V vs Ag/AgCl in acetonitrile.

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