Pyrene-fused bisphenazinothiadiazoles with red to NIR electroluminescence dagger

abstract

The synthesis and characterisation of two pyrene-fused phenazinothiadiazole derivatives with different substituents is described. Light-emitting diodes incorporating such derivatives display red to near-infrared electroluminescence with emission peaks at wavelengths as long as 721 nm, illustrating that pyrene-fused bisphenazinothiadiazoles can serve as deep red and NIR emitters.

keywords

LIGHT-EMITTING-DIODES; PYRAZINE-ACENES; SOLID-STATE; COMPLEXES; EMISSION; FLUORESCENCE; PEROVSKITE; EFFICIENCY; OLEDS; LAYER

subject category

Chemistry

authors

Cortizo-Lacalle, D; Pertegas, A; Melle-Franco, M; Bolink, HJ; Mateo-Alonso, A

our authors

acknowledgements

We are grateful to the Basque Science Foundation for Science (Ikerbasque), POLYMAT, the University of the Basque Country (SGIker), Deutsche Forschungsgemeinschaft (MA 5215/4-1), Gobierno de Espana ( Ministerio de Economia y Competitividad MAT2012-35826, CTQ2015-71936-REDT, MDM- 2015-0538 and MAT2014- 55200), Gobierno Vasco (BERC program and PC20151-01(06-37)), Diputacion Foral de Guipuzkoa (OF215/2016( ES)), Generalitat Valenciana (Prometeo/2016/135), CICECO - Aveiro Institute of Materials, POCI-01-0145-FEDER-007679 (FCT Ref. UID/CTM/50011/2013), ON2 (NORTE-07-0162-FEDER-000086) and the European Union (ERA-Chemistry, Career Integration Grant No. 618247, and FEDER).

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