Electroluminescence of Halogen Complexes with Monovalent Copper: OLED Devices and DFT Modeling


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Abstract

Spectroscopic characteristics of complexes of Cu[I] ion with halogens synthesized by the TDDFT/CAM-B3LYP method are studied. It is shown that S0 → S1 and S0 → T1 electronic transitions are excitations with charge transfer. In this case, the electronic transitions proceed from the HOMO, HOMO-1 and HOMO-2 localized on halogen atoms to the LUMO localized on a ligand. The matrix elements of spin-orbit interaction are calculated using the single-electron operator (HSO). Based on these compounds, the organic light emitting diodes have been created. Their current–voltage and current-brightness characteristics are investigated.

About the authors

R. R. Valiev

V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University; National Research Tomsk Polytechnic University

Author for correspondence.
Email: valievrashid@mail.ru
Russian Federation, Tomsk; Tomsk

B. F. Minaev

V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University; Cherkasy National University Named after Bogdan Khmelnitsky; Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Academia Sinica

Author for correspondence.
Email: bfmin@rambler.ru
Russian Federation, Tomsk; Cherkassy; Beijing

R. M. Gadirov

V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University

Author for correspondence.
Email: grm882@ngs.ru
Russian Federation, Tomsk

E. N. Nikonova

V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University

Email: kopylova@phys.tsu.ru
Russian Federation, Tomsk

T. A. Solodova

V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University

Email: kopylova@phys.tsu.ru
Russian Federation, Tomsk

S. Yu. Nikonov

V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University

Email: kopylova@phys.tsu.ru
Russian Federation, Tomsk

M. B. Bushuev

Institute of Inorganic Chemistry of the Siberian Branch of the Russian Academy of Sciences

Author for correspondence.
Email: mark.bushuev@gmail.com
Russian Federation, Novosibirsk

T. N. Kopylova

V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University

Author for correspondence.
Email: kopylova@phys.tsu.ru
Russian Federation, Tomsk

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