Improved performance of solution processed OLEDs using N-annulated perylene diimide emitters with bulky side-chains

被引：27
作者：
Dayneko, Sergey V. [1 ,2 ]
Cieplechowicz, Edward [1 ]
Bhojgude, Sachin Suresh [1 ]
Van Humbeck, Jeffrey F. [1 ]
Pahlevani, Majid [3 ]
Welch, Gregory C. [1 ]
机构：
[1] Univ Calgary, Dept Chem, 731Campus Pl NW, Calgary, AB T2N 1N4, Canada
[2] Genoptic LED Inc, 6000 72nd Ave SE, Calgary, AB T2C 5C3, Canada
[3] Queens Univ, Dept Elect & Comp Engn, 19 Union St, Kingston, ON K7L 3N6, Canada
来源：
MATERIALS ADVANCES | 2021年 / 2卷 / 03期
关键词：
LIGHT-EMITTING-DIODES; 3,4,9,10-PERYLENETETRACARBOXYLIC DIANHYDRIDE DYES; EFFICIENCY; RED; PHOTOCHEMISTRY; ABSORPTION; PROGRESS;
D O I：
10.1039/d0ma00827c
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have designed and synthesized three N-annulated perylene diimide (PDI) compounds containing sterically bulky alkyl-substituted benzyl moieties (PDI-X, where X = 1, 2, 3) with photoluminescence quantum yield (PLQY) in the solid-state >20%. The PDI molecules show PLQY of similar to 0.8 in solution and similar to 0.2 as neat films. Organic light-emitting diodes (OLEDs) have been fabricated using these new PDI molecules as light emitters with the active layer being solution processed from non-halogenated solvents. The OLED devices had brightness of similar to 2000 cd m(-2) and low turn-on voltage of similar to 3 V, among the best for PDI based red colored OLEDs.
引用
收藏
页码：933 / 936
页数：4
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