题目：

A novel intermediate connector with improved charge generation and separation for large-area tandem white organic lighting devices

作者：

Lei Ding, Yan-Qiu Sun, Hua Chen, Feng-Shuo Zu, Zhao-Kui Wang* and Liang-Sheng Liao*

单位：

Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou,Jiangsu 215123, China

摘要：

An intermediate connector (IC) consisting of lithium (Li) doped 4,7-diphenyl-1,10-phenanthroline(BPhen)/Al/tetrafluoro-tetracyanoquinodimethane (F₄-TCNQ)/1,4,5,8,9,11-hexaazatriphenylene-hexacarbonitrile (HAT-CN) is developed for fabricating tandem white organic light-emitting diodes (WOLEDs). An investigation of the charge generation and separation process in Bphen:Li/Al/F₄-TCNQ/HAT-CN, which is carried out by analysis of the current�voltage and capacitance�voltage characteristics, shows that the proposed IC structure is suitable as a connecting unit in tandem OLEDs. The tandem WOLED based on a silicon compound host material of 10-phenyl-20-(triphenylsilyl)-10H-spiro [acridine-9,90-fluorene] (SSTF) with the proposed IC structure exhibits a maximum current efficiency of 159.2 cd A^-1 and a maximum power efficiency of 69.4 lm W^-1. For application in large-area OLEDs, a 150×150 mm² tandem lighting panel with maximum efficiencies of 231.8 cd A^-1 and 52.9 lm W^-1, correlated color temperature of 3000 K and Commission International de I'Eclairage (CIE) coordinates of (0.34, 0.45) is also demonstrated.

影响因子：

6.629

分区情况：

1区

链接：

http://pubs.rsc.org/en/content/articlelanding/2014/tc/c4tc02082k