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聚 N-乙烯基咔唑的即时低温交联用于溶液处理的多层蓝色磷光有机发光器件。

Instant low-temperature cross-linking of poly(N-vinylcarbazole) for solution-processed multilayer blue phosphorescent organic light-emitting devices.

机构信息

Department of Organic Device Engineering, Research Center for Organic Electronics, Yamagata University, 4-3-16 Johnan, Yonezawa, Yamagata, 992-8510, Japan.

出版信息

Adv Mater. 2014 Dec 3;26(45):7543-6. doi: 10.1002/adma.201402726. Epub 2014 Sep 25.

DOI:10.1002/adma.201402726
PMID:25256823
Abstract

Poly(N-vinylcarbazole) undergoes cross-linking to highly solvent-resistant films through an oxidative coupling reaction, for which an annealing process takes only 3 min at 110 °C. This reaction allows the construction of a solution-processed multilayer OLED without a time-consuming annealing process. The maximum external quantum efficiency reaches 18%, and remains at 17%, even at a high brightness of 10 000 cd m(-2) for all-solution-processed blue OLEDs.

摘要

聚（N-乙烯基咔唑）通过氧化偶联反应交联成高度耐溶剂的薄膜，退火过程仅需在 110°C 下进行 3 分钟。该反应允许在不进行耗时退火处理的情况下构建溶液处理的多层 OLED。最大外量子效率达到 18%，即使在所有溶液处理的蓝色 OLED 的 10 000 cd m(-2)高亮度下，仍保持在 17%。

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