Multi-Layer Polymer Light-Emitting Diodes Prepared by Vapor Deposition Polymerization of Polyazomethine Thin Film

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概要

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• A novel polyazomethine (PAM) thin film deposited by vapor deposition polymerization (VDP) process was used in the emissive layer of polymer light-emitting diodes (PLEDs). 1,4-bis(4-formylstyryl)benzene (BFSB) and 4,4''-diamino-(1,1',4',1'')-terphenyl (DAT) were co-deposited to form PAM thin films at various substrate temperatures. Fluorescent quantum yield of novel PAM synthesized by using BFSB monomer increased one order of magnitude compared with the previous report. PLEDs with the device structure of ITO /PEDOT:PSS (100 nm)/PAM (140 nm)/LiF (0.5 nm)/Al (80 nm) exhibited of electroluminescence from the PAM layer for the first time. The characteristics of PLEDs suggest the electron mobility of PAM is higher than hole mobility.

• The Japan Society of Applied Physicsの論文
• 2008-02-25

著者

• Murata Hideyuki

  School Of Material Science Japan Advanced Institute Of Science And Technology (jaist)

• Itabashi Atsushi

  School of Materials Science, Japan Advanced Institute of Science and Technology, Nomi, Ishikawa 923-1292, Japan

• Fukushima Masao

  School of Materials Science, Japan Advanced Institute of Science and Technology, Nomi, Ishikawa 923-1292, Japan

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