Synthesis, photophysical properties and application in organic light emitting devices of rhenium(I) carbonyls incorporating functionalized 2,2′:6′,2′′-terpyridines

Tomasz Klemens; Anna Świtlicka-Olszewska; Barbara Machura; Marzena Grucela; Henryk Janeczek; Ewa Schab-Balcerzak; Agata Szlapa; Slawomir Kula; Stanisław Krompiec; Karolina Smolarek; Dorota Kowalska; Sebastian Mackowski; Karol Erfurt; Piotr Lodowski

doi:10.1039/C6RA08981J

Synthesis, photophysical properties and application in organic light emitting devices of rhenium(i) carbonyls incorporating functionalized 2,2′:6′,2′′-terpyridines†

Tomasz Klemens,^a Anna Świtlicka-Olszewska,^a Barbara Machura,*^a Marzena Grucela,^b Henryk Janeczek,^b Ewa Schab-Balcerzak,*^bc Agata Szlapa,^d Slawomir Kula,^d Stanisław Krompiec,^d Karolina Smolarek,^e Dorota Kowalska,^e Sebastian Mackowski,^e Karol Erfurt^f and Piotr Lodowski^g

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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, 34M. Curie-Sklodowska Str., 41-819 Zabrze, Poland

^c Deparment of Polymer Chemistry, University of Silesia, 9th Szkolna St., 40-006 Katowice, Poland
E-mail: ewa.schab-balcerzak@us.edu.pl

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

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

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

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

Abstract

Several new rhenium(I) complexes [ReCl(CO)₃(4′-R-terpy-κ²N)] incorporating 2,2′:6′,2′′-terpyridine-based ligands were successfully synthetized 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. To better understand the photophysical properties of [ReCl(CO)₃(4′-R-terpy-κ²N)], density functional theory (DFT) and time-dependent DFT (TD-DFT) calculations were performed. Preliminary studies towards application of these complexes in organic light emitting diodes (OLEDs) were carried out, including testing the possibility of electroluminescence intensity increase by including metallic nanowires in the structure design.

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Synthesis, photophysical properties and application in organic light emitting devices of rhenium(i) carbonyls incorporating functionalized 2,2′:6′,2′′-terpyridines†

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Synthesis, photophysical properties and application in organic light emitting devices of rhenium(I) carbonyls incorporating functionalized 2,2′:6′,2′′-terpyridines

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