Synthesis and characterization of a blue host polymer incorporating a chrysene moiety for solution-processed OLEDs

Yeongjae Heo,Hyukmin Kwon, Sangwook Park, Mahendra Godi,Hayoon Lee,Seungeun Lee,Jongwook Park

MOLECULAR CRYSTALS AND LIQUID CRYSTALS(2024)

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摘要
We synthesized two blue fluorescent materials, 6-(3-vinylphenyl)chrysene (St-C) and 6,12-bis(3-vinylphenyl)chrysene (St-C-St), for the first time, incorporating styrene into a chrysene core. These materials were polymerized via radical polymerization, resulting in the formation of polymeric blue-emitting materials, Poly 6-(3-vinylphenyl)chrysene (Poly St-C) and Poly 6,12-bis(3-vinylphenyl)chrysene (Poly St-C-St). Poly St-C exhibited deep blue emission at 395 nm in solution state. We fabricated Organic Light-Emitting Diode (OLED) devices, employing Poly St-C as the host material and 6,12-bis[4-(diphenylamino)phenyl]chrysene (TPA-C-TPA) as the dopant. The OLED device displayed electroluminescence (EL) emission in the deep blue region and achieved Commission Internationale de l'eclairage (CIE) coordinates of (0.157, 0.078).
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关键词
OLED,Blue Host,Polymer,Chrysene
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