AI Article Synopsis
- The Er(III) ion in the complex [Er(hfac)(3)(L)](2) is coordinated by a tridentate site through the ligand L, which includes a tetrathiafulvalene structure.
- Electrochemical and photophysical analyses demonstrate that the tetrathiafulvalene effectively enhances erbium luminescence at 6540 cm(-1) through a specific excitation mechanism.
- This excitation is linked to a low-energy charge transfer transition at 16600 cm(-1), supported by time-dependent density functional theory calculations.
Article Abstract
In the [Er(hfac)(3)(L)](2) complex (1) (L = 4-tetrathiafulvalene-2,6-pyridinecarboxylic acid dimethyl ester), the Er(III) ion is bonded to the tridentate coordination site. Electrochemical and photophysical measurements in solution reveal that the tetrathiafulvalene moiety is a versatile antenna for erbium luminescence sensitization at 6540 cm(-1) upon excitation in the low-energy charge transfer transition (donor to acceptor charge transfer) at 16600 cm(-1) assigned via time-dependent density functional theory calculations.
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| http://dx.doi.org/10.1021/ic202045a | DOI Listing |
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