Efficient 1-(thiophen-2-yl)isoquinoline-based ionic iridophosphors with bulky counterions for solution-processed deep-red electroluminescence

Peng, Tao; Zheng, Xiao-Kang; He, Jilin; Sheng, Xinghao; Deng, Youwen; Chan, Yinman; Zhao, Qiang; Wong, Wai‐Yeung

doi:10.1039/d3dt02061d

Dalton Trans.

2023

DOI: 10.1039/d3dt02061d

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Efficient 1-(thiophen-2-yl)isoquinoline-based ionic iridophosphors with bulky counterions for solution-processed deep-red electroluminescence

Tao Peng

Xiao-Kang Zheng

Jilin He

et al.

Abstract: A pair of high-efficiency deep-red emissive ionic iridophosphors (Ira and Irb) showing high photoluminescence quantum yields (PLQYs) are rationally designed by using 1-(thiophen-2-yl)isoquinoline as the cyclometalating ligand. Two bulky tetraarylborate...

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Cited by 5 publications

References 27 publications

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Three new red neutral and ionic iridium(III) complexes based on the same main ligand and auxiliary ligand but with different counterions for solution‐processed organic light‐emitting diodes

Zhou,

Zhang,

et al. 2024

Luminescence

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Three new neutral and ionic phosphorescent iridium(III) complexes were successfully prepared using 1‐(6‐methoxynaphthalen‐2‐yl)isoquinoline as the main ligand, while the auxiliary ligand was 2‐(2‐1H‐imidazolyl)pyridine. Three complexes (Ir1, Ir2, Ir3) showed red emission, peaking at 610, 609, and 615 nm, respectively, and they exhibited good solubility and excellent photophysical properties in different solvents, which is suitable to prepare organic light‐emitting diodes (OLEDs) by solution method. Among the three OLEDs prepared by iridium(III) complexes using the solution method, the device based on Ir2 possessed better electroluminescent properties, and its maximum brightness, current efficiency (CE), power efficiency (PE), and the maximum external quantum efficiency (EQE) were 507.2 cd m−2, 0.14 cd A−1, 0.06 lm W−1, and 0.14%. respectively, proving that the three complexes have a certain of potential for OLEDs applications and are expected to expand the applications of iridium(III) complexes for OLEDs.

show abstract

Three new red neutral and ionic iridium(III) complexes based on the same main ligand and auxiliary ligand but with different counterions for solution‐processed organic light‐emitting diodes

Zhou,

Zhang,

et al. 2024

Luminescence

View full text Add to dashboard Cite

show abstract

Anthraquinonyl isoquinoline-based deep-red emissive neutral iridium(III) complexes for solution‐processed organic light‐emitting diodes

Zhang,

Li,

Zhou

et al. 2024

Inorganic Chemistry Communications

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New ionic iridium(III) complexes based on methoxyl-modified 1-phenylisoquinoline for solution-processed red organic light-emitting diodes

Zeng,

Jiang,

Zhou

et al. 2023

Journal of Organometallic Chemistry

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Efficient 1-(thiophen-2-yl)isoquinoline-based ionic iridophosphors with bulky counterions for solution-processed deep-red electroluminescence

Abstract: A pair of high-efficiency deep-red emissive ionic iridophosphors (Ira and Irb) showing high photoluminescence quantum yields (PLQYs) are rationally designed by using 1-(thiophen-2-yl)isoquinoline as the cyclometalating ligand. Two bulky tetraarylborate...

Cited by 5 publications

References 27 publications

Three new red neutral and ionic iridium(III) complexes based on the same main ligand and auxiliary ligand but with different counterions for solution‐processed organic light‐emitting diodes

Three new red neutral and ionic iridium(III) complexes based on the same main ligand and auxiliary ligand but with different counterions for solution‐processed organic light‐emitting diodes

Anthraquinonyl isoquinoline-based deep-red emissive neutral iridium(III) complexes for solution‐processed organic light‐emitting diodes

New ionic iridium(III) complexes based on methoxyl-modified 1-phenylisoquinoline for solution-processed red organic light-emitting diodes

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