Two Novel Neutral Cyclometalated Iridium(III) Complexes Based on 10,11,12,13-Tetrahydrodibenzo[a,c]phenazine for Efficient Red Electroluminescence

Two novel neutral phosphorescent iridium(III) complexes (Ir1 and Ir2) were rationally designed and synthesized with high yields using 10,11,12,13-tetrahydrodibenzo[a,c]phenazine as the main ligand. The two complexes showed bright-red phosphorescence (625 nm for Ir1, and 620 nm for Ir2, in CH(2)Cl(2)...

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Autores principales: Yang, Yuzhen, Zhao, Han, Zhou, Weiqiao, Zeng, Qin, Zhang, Zihao, Jiang, Junjie, Gong, Yongyang, Miao, Yanqin, Guo, Song, Liu, Yuanli
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Communication
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10303947/
https://www.ncbi.nlm.nih.gov/pubmed/37375420
http://dx.doi.org/10.3390/molecules28124865
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author Yang, Yuzhen
Zhao, Han
Zhou, Weiqiao
Zeng, Qin
Zhang, Zihao
Jiang, Junjie
Gong, Yongyang
Miao, Yanqin
Guo, Song
Liu, Yuanli
author_facet Yang, Yuzhen
Zhao, Han
Zhou, Weiqiao
Zeng, Qin
Zhang, Zihao
Jiang, Junjie
Gong, Yongyang
Miao, Yanqin
Guo, Song
Liu, Yuanli
author_sort Yang, Yuzhen
collection PubMed
description Two novel neutral phosphorescent iridium(III) complexes (Ir1 and Ir2) were rationally designed and synthesized with high yields using 10,11,12,13-tetrahydrodibenzo[a,c]phenazine as the main ligand. The two complexes showed bright-red phosphorescence (625 nm for Ir1, and 620 nm for Ir2, in CH(2)Cl(2)), high-luminescence quantum efficiency (0.32 for Ir1, and 0.35 for Ir2), obvious solvatochromism and good thermostability. Then, they were used to fabricate high-efficiency red OLEDs via vacuum evaporation; the maximum current efficiency, power efficiency, and external quantum efficiency of the red devices based on Ir1 and Ir2 are 13.47/15.22 cd/A, 10.35/12.26 lm/W, and 10.08/7.48%, respectively.
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spelling pubmed-103039472023-06-29 Two Novel Neutral Cyclometalated Iridium(III) Complexes Based on 10,11,12,13-Tetrahydrodibenzo[a,c]phenazine for Efficient Red Electroluminescence Yang, Yuzhen Zhao, Han Zhou, Weiqiao Zeng, Qin Zhang, Zihao Jiang, Junjie Gong, Yongyang Miao, Yanqin Guo, Song Liu, Yuanli Molecules Communication Two novel neutral phosphorescent iridium(III) complexes (Ir1 and Ir2) were rationally designed and synthesized with high yields using 10,11,12,13-tetrahydrodibenzo[a,c]phenazine as the main ligand. The two complexes showed bright-red phosphorescence (625 nm for Ir1, and 620 nm for Ir2, in CH(2)Cl(2)), high-luminescence quantum efficiency (0.32 for Ir1, and 0.35 for Ir2), obvious solvatochromism and good thermostability. Then, they were used to fabricate high-efficiency red OLEDs via vacuum evaporation; the maximum current efficiency, power efficiency, and external quantum efficiency of the red devices based on Ir1 and Ir2 are 13.47/15.22 cd/A, 10.35/12.26 lm/W, and 10.08/7.48%, respectively. MDPI 2023-06-20 /pmc/articles/PMC10303947/ /pubmed/37375420 http://dx.doi.org/10.3390/molecules28124865 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Communication
Yang, Yuzhen
Zhao, Han
Zhou, Weiqiao
Zeng, Qin
Zhang, Zihao
Jiang, Junjie
Gong, Yongyang
Miao, Yanqin
Guo, Song
Liu, Yuanli
Two Novel Neutral Cyclometalated Iridium(III) Complexes Based on 10,11,12,13-Tetrahydrodibenzo[a,c]phenazine for Efficient Red Electroluminescence
title Two Novel Neutral Cyclometalated Iridium(III) Complexes Based on 10,11,12,13-Tetrahydrodibenzo[a,c]phenazine for Efficient Red Electroluminescence
title_full Two Novel Neutral Cyclometalated Iridium(III) Complexes Based on 10,11,12,13-Tetrahydrodibenzo[a,c]phenazine for Efficient Red Electroluminescence
title_fullStr Two Novel Neutral Cyclometalated Iridium(III) Complexes Based on 10,11,12,13-Tetrahydrodibenzo[a,c]phenazine for Efficient Red Electroluminescence
title_full_unstemmed Two Novel Neutral Cyclometalated Iridium(III) Complexes Based on 10,11,12,13-Tetrahydrodibenzo[a,c]phenazine for Efficient Red Electroluminescence
title_short Two Novel Neutral Cyclometalated Iridium(III) Complexes Based on 10,11,12,13-Tetrahydrodibenzo[a,c]phenazine for Efficient Red Electroluminescence
title_sort two novel neutral cyclometalated iridium(iii) complexes based on 10,11,12,13-tetrahydrodibenzo[a,c]phenazine for efficient red electroluminescence
topic Communication
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10303947/
https://www.ncbi.nlm.nih.gov/pubmed/37375420
http://dx.doi.org/10.3390/molecules28124865
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