Rhenium(I) terpyridine complexes – synthesis, photophysical properties and application in organic light emitting devices

Tomasz Klemens; Anna Świtlicka-Olszewska; Barbara Machura; Marzena Grucela; Ewa Schab-Balcerzak; Karolina Smolarek; Sebastian Mackowski; Agata Szlapa; Slawomir Kula; Stanisław Krompiec; Piotr Lodowski; Anna Chrobok

doi:10.1039/C5DT04093K

Rhenium(i) terpyridine complexes – synthesis, photophysical properties and application in organic light emitting devices†

Tomasz Klemens,^a Anna Świtlicka-Olszewska,^a Barbara Machura,*^a Marzena Grucela,^b Ewa Schab-Balcerzak,*^b Karolina Smolarek,^c Sebastian Mackowski,^c Agata Szlapa,^d Slawomir Kula,^d Stanisław Krompiec,^d Piotr Lodowski^e and Anna Chrobok^f

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* Corresponding authors

^a Department of Crystallography, Institute of Chemistry, University of Silesia, 9th Szkolna St., 40-006 Katowice, Poland
E-mail: bmachura@poczta.onet.pl

^b Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 M. Curie-Sklodowska Str., 41-819 Zabrze, Poland

^c Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, 5 Grudziadzka Str., 87-100 Torun, Poland

^d Department of Inorganic, Organometallic Chemistry and Catalysis, Institute of Chemistry, University of Silesia, 9th Szkolna St., 40-006 Katowice, Poland

^e Department of Theoretical Chemistry, Institute of Chemistry, University of Silesia, 9th Szkolna St., 40-006 Katowice, Poland

^f Department of Chemical Organic Technology and Petrochemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland

Abstract

Six new Re(I) complexes of the general formula [ReCl(CO)₃(4′-R-terpy-κ²N)] with 2,2′:6′,2′′-terpyridine-based ligands have been synthesized and characterized by IR, NMR (¹H and ¹³C), UV-Vis spectroscopy and single crystal X-ray analysis. The luminescent properties of [ReCl(CO)₃(4′-R-terpy-κ²N)] were studied in solution and solid state, at 298 and 77 K, respectively. To obtain detailed insight into the electronic structures and spectroscopic properties of [ReCl(CO)₃(4′-R-terpy-κ²N)], the density functional theory (DFT) and time-dependent DFT (TD-DFT) calculations were performed. Also, the suitability of this class of materials for being applied in organic light emitting diodes (OLEDs) has been preliminarily tested.

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Rhenium(i) terpyridine complexes – synthesis, photophysical properties and application in organic light emitting devices†

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