Synthesis and phosphorescent properties of the copolymers of N-vinylcarbazole, methyl methacrylate and iridium complex

• Autorzy: Wang, W. , Zhou, M. , Liang, L. , Lin, M. , Ling, M.
• Języki publikacji: EN

Abstrakty

EN

The copolymers containing carbazole unit and iridium complexes, such as (Ir(bpy)2Cl, Ir(mbpy)2Cl and Ir(Brbpy)2Cl, were synthesized via radical copolymerization of N-vinylcarbazole, methyl methacrylate and iridium complex. The synthesized copolymers were characterized by FT-IR, UV-Vis absorption spectroscopy and photoluminescence (PL) spectroscopy, respectively. According to the results, the copolymers (Ir(Brbpy)2Cl/PVK and Ir(mbpy)2Cl/PVK) exhibit yellow phosphorescence with an emission peak at around 553 nm under UV-visible light in the solid state. The results also reveal almost complete energy transfer from the host carbazole segments to the guest Ir complex in the copolymer film when the Ir content reaches 1.0 wt.%. The synthesized copolymers are good candidates as blue or yellow phosphorescent materials for PLED applications.

Słowa kluczowe

EN

iridium complexes; phosphorescent material; carbazole; copolymer; energy transfer

• Czasopismo: Materials Science Poland
• Rocznik: 2014
• Tom: Vol. 32, No. 2
• Strony: 206--213
• Opis fizyczny: Bibliogr. 21 poz., rys., wykr., tab.

Twórcy

autor

Wang, W.

• Fujian Key Laboratory of Polymer Materials, College of Materials Science and Engineering, Fujian Normal University, Fuzhou 350007, China

autor

Zhou, M.

• Fujian Key Laboratory of Polymer Materials, College of Materials Science and Engineering, Fujian Normal University, Fuzhou 350007, China

autor

Liang, L.

• Fujian Key Laboratory of Polymer Materials, College of Materials Science and Engineering, Fujian Normal University, Fuzhou 350007, China

autor

Lin, M.

• Fujian Key Laboratory of Polymer Materials, College of Materials Science and Engineering, Fujian Normal University, Fuzhou 350007, China

autor

Ling, M.

• Fujian Key Laboratory of Polymer Materials, College of Materials Science and Engineering, Fujian Normal University, Fuzhou 350007, China,

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Identyfikatory

DOI

10.2478/s13536-013-0170-0