Benzimidazole-substituted bisanthracene: a highly efficient deep-blue triplet–triplet fusion OLED emitter at low dopant concentration

Chen, Chia‐Hsun; Hsiao, Z.-C.; Fan, Baocun; Hou, L.-J.; Lin, Jiu‐Dong; Lin, Bo‐Yen; Liu, K.-T.; Yu, Huang; Zhang, Y.Z.; Dzeng, Yi‐Chung; Chiu, Tien‐Lung; Lee, Jiun-Haw; Tan, Jake A.; Chen, Chi; Leung, Man Kit

doi:10.1016/j.mtchem.2022.101185

Cited by 3 publications

(1 citation statement)

References 60 publications

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“…The intrinsic wide bandgap of blue luminescent materials often leads to an imbalance between carrier injection and transport, resulting in an increase in operating voltage and poor device efficiency and stability. 20–23 One of the main ways to achieve efficient and low roll-off deep blue emission is to design new materials with the Commission International de L’Eclairage coordinates (CIE) of y < 0.08. Over the past few years, researchers have been designing new materials to improve the light output of conventional OLEDs, and have achieved several good results.…”

Section: Introductionmentioning

confidence: 99%

Efficient and low roll-off deep-blue organic light-emitting diodes with anthracene-based compounds as hosts

Sun,

Shui,

Chen

et al. 2024

New J. Chem.

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In this work, we synthesized and characterized four bipolar host materials, which were 9-(naphthalen-1-yl)-10-(4-(naphthalen-2-yl)phenyl) anthracene (NA-AN-NA), 1-(4-(10-(naphthalen-1-yl)anthracen-9-yl)phenyl) dibenzo[b,d]furan, 1-(4-(10-phenylanthracen-9-yl)phenyl) dibenzo[b,d]furan, and 2-(4-(10-phenylanthracen-9-yl)phenyl) dibenzo[b,d]furan. These four materials possessed good thermal stability...

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Section: Introductionmentioning

confidence: 99%

Efficient and low roll-off deep-blue organic light-emitting diodes with anthracene-based compounds as hosts

Sun,

Shui,

Chen

et al. 2024

New J. Chem.

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Enhancing Triplet–Triplet Annihilation Upconversion Performance Through Anthracene–Carbazole Interactions for Organic Optoelectronic Applications

Hsieh,

Zhuang,

Huang

et al. 2024

Advanced Photonics Research

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Three carbazole‐substituted anthracene 2CbzAn, 26CbzAn, and 246CbzAn have been developed. The introduction of these carbazole substituents could generate more triplet states with energy levels close to 2× E(T1) that could successfully facilitate the triplet‐triplet annihilation upconversion (TTA‐UC) process to achieve high upconversion quantum yield (UCQY). This observation aligns with the Adachi theory about TTA‐UC mechanisms. In organic light‐emitting diode (OLED) device investigation, in a non‐doped state show an external quantum efficiency (EQEmax) of 5.82% with exceptional pure‐blue emission (CIEy of 0.101), and the DPaNIF doped DMPPP/26CbzAn bilayer structure reaches an impressive EQEmax of 11.12%.

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Modulation of photophysical properties in o-carborane derivatives and their application in white organic light-emitting diode devices

Lee,

Jeong,

Lee

et al. 2024

J. Mater. Chem. C

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Benzimidazole-substituted bisanthracene: a highly efficient deep-blue triplet–triplet fusion OLED emitter at low dopant concentration

Cited by 3 publications

References 60 publications

Efficient and low roll-off deep-blue organic light-emitting diodes with anthracene-based compounds as hosts

Efficient and low roll-off deep-blue organic light-emitting diodes with anthracene-based compounds as hosts

Enhancing Triplet–Triplet Annihilation Upconversion Performance Through Anthracene–Carbazole Interactions for Organic Optoelectronic Applications

Modulation of photophysical properties in o-carborane derivatives and their application in white organic light-emitting diode devices

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