Absorption- and Excitation-Modulated Luminescence of Pr, Nd, and Lu Compounds with Dianions of Tetrafluoroterephthalic and Camphoric Acids.

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ID: 27257
2019
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Abstract
The luminescence of coordination polymers of Pr, Nd, and Lu with tetrafluoroterephthalate and camphorate, [Ln(Fbdc)(DMF)(HO)] (Ln = Pr, Nd, Lu) and [Ln(Camph)(NO)(MeOH)] (Ln = Pr, Nd, Lu), was studied. Ligand-centered and/or metal-centered emissions appear, which depend on the excitation wavelength, ultimately allowing the emitted light color to be adjusted. Low-efficiency ligand-to-metal energy transfer leads to a difference between the excitation spectra of the tetrafluoroterephthalate- and camphorate-Pr compounds, arising from a primary filtering effect on the ligand-centered excitation, by Pr absorption. A secondary inner filter effect significantly changes the shape of the luminescence band, allowing a wide variation in the emission color, producing, for instance, a purple color, which is not the normal spectral emission. The low-efficiency energy transfer renders tetrafluoroterephthalate and camphorate ineffective as traditional "antenna" ligands for Pr and Nd.
Reference Key
mikhalyova2019absorptionacs Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Mikhalyova, Elena A;Khomenko, Olena V;Gavrilenko, Konstantin S;Dotsenko, Vladimir P;Addison, Anthony W;Pavlishchuk, Vitaly V;
Journal ACS omega
Year 2019
DOI
10.1021/acsomega.8b02388
URL
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