NDLI: Solution-processed efficient deep-blue fluorescent organic light-emitting diodes based on novel 9,10-diphenyl-anthracene derivatives

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Solution-processed efficient deep-blue fluorescent organic light-emitting diodes based on novel 9,10-diphenyl-anthracene derivatives

Content Provider	Semantic Scholar
Author	Zhang, Zhaohang Jiang, Wei Ban, Xinxin Yang, Min Ye, Shanghui Huang, Bin Sun, Yueming
Copyright Year	2015
Abstract	A series of 9,10-diphenyl-anthracene derivatives bearing either benzimidazole or carbazole moieties as substituents were synthesized and characterized as blue emitters for organic light-emitting diodes (OLEDs). Their optical, electrochemical and thermal properties have been investigated, and their molecular structure–property relationships were evaluated. These compounds both exhibited a high glass-transition temperature (Tg ≥ 195 °C) and a high decomposition temperature (Td ≥ 494 °C). The solution processed non-doped device using CAC as a fluorescence emitter showed a maximum luminance efficiency of 1.63 cd A−1, a maximum power efficiency of 0.77 lm W−1 and a maximum external quantum efficiency of 1.53%. By introducing 1,3-bis[4-tert-butylphenyl-1,3,4-oxadiazolyl] phenylene (OXD-7):polyvinylcarbazole (PVK) as host in the emitting layer, the doped deep-blue emitting device of CAC exhibited a turn-on voltage of 4.75 V, a maximum luminance efficiency of 3.03 cd A−1, a maximum power efficiency of 1.64 lm W−1 and a maximum external quantum efficiency of 2.81%. Our results demonstrate a promising approach to well-designed materials for use in deep-blue fluorescence OLED applications.
Starting Page	29708
Ending Page	29717
Page Count	10
File Format	PDF HTM / HTML
DOI	10.1039/C5RA00627A
Volume Number	5
Alternate Webpage(s)	http://www.rsc.org/suppdata/c5/ra/c5ra00627a/c5ra00627a1.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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