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Synthesis and Optical Properties of Phenanthroline‐Derived Schiff Base‐Like Dinuclear Ruᴵᴵ–Niᴵᴵ Complexes

Title data

Kurz, Hannah ; Lochenie, Charles ; Wagner, Kristina G. ; Schneider, Sandra ; Karg, Matthias ; Weber, Birgit:
Synthesis and Optical Properties of Phenanthroline‐Derived Schiff Base‐Like Dinuclear Ruᴵᴵ–Niᴵᴵ Complexes.
In: Chemistry : a European Journal. Vol. 24 (2018) Issue 20 . - pp. 5100-5111.
ISSN 1521-3765
DOI: https://doi.org/10.1002/chem.201704632

Abstract in another language

Two phenanthroline‐derived Schiff base‐like ligands with a covalently linked ruthenium(II) phosphorescent unit were synthesised and converted into bimetallic RuII–NiII complexes. The optical properties were studied to examine a possible photoluminescence quenching through a nonradiative energy‐transfer upon a coordination‐induced spin‐state switch (CISSS) at the nickel(II) centre. Therefore, the metalloligands and the nickel(II) complexes were studied using UV/Vis absorbance, steady‐state, and time‐resolved emission spectroscopy in solutions of MeCN and pyridine. It is demonstrated that the nature of the bridging ligand between the ruthenium(II) donor and the nickel(II) acceptor strongly influences the photophysical behaviour upon CISSS. For the complex with a phenazine bridge, photoluminescence quenching is observed in the presence of a paramagnetic nickel(II) centre.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry IV > Chair Inorganic Chemistry IV - Univ.-Prof. Dr. Birgit Weber
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry IV
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 06 Apr 2018 07:26
Last Modified: 15 Feb 2022 12:12
URI: https://eref.uni-bayreuth.de/id/eprint/43221