2010
DOI: 10.1016/j.synthmet.2010.01.003
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Deep blue organic light-emitting diodes based on triphenylenes

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Cited by 45 publications
(33 citation statements)
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“…In the latter case, the EML was based on photocrosslinked methacrylate-functionalized Alq 3 (entry 3) 29 or oxetanefunctionalized triphenylene derivatives (entry 4). 47 We could notice a maximum brightness EL max two to three times lower than that for device A (120 cd.m -1 @ 15 V) at similar or higher voltage.…”
Section: Comparative Solution-processed and Vacuum-evaporated Oled Pementioning
confidence: 62%
See 1 more Smart Citation
“…In the latter case, the EML was based on photocrosslinked methacrylate-functionalized Alq 3 (entry 3) 29 or oxetanefunctionalized triphenylene derivatives (entry 4). 47 We could notice a maximum brightness EL max two to three times lower than that for device A (120 cd.m -1 @ 15 V) at similar or higher voltage.…”
Section: Comparative Solution-processed and Vacuum-evaporated Oled Pementioning
confidence: 62%
“…Therefore, charge migration upon intermolecular hopping is far less efficient in solution-processed FVIN-A OLEDs, leading to a higher threshold voltage. Although the turn-on voltage of device A is high compared to those of doped photocrosslinked phosphorescent OLEDs, 18, 27, 46 , its value for nondoped crosslinked fluorescent layer is the lowest measured so far 29,47. Moreover, the brightness, valued at around 150 cd.m -2 for the spin-coated device A, represents also the highest value reported up to now for non-doped photocrosslinked fluorescent materials involving small organic fluorophores.…”
mentioning
confidence: 86%
“…27). 99 The device [ITO/PEDOT:PSS (35 nm)/ QUPD (20 nm)/OTPD (10 nm)/PCTP (80 nm)/Ba (4 nm)/Al (150 nm)] exhibited k EL at 456 nm, but the blue emission was contaminated by a broad lowenergy emission extended up to 800 nm with peaks at $600 nm and $750 nm, which is attributed to exciton leakage to the adjacent OTPD layer (a crosslinkable hole-transporting material reported by Yang and co-workers). 96 The efficiency of the device was poor, which reached a current efficiency of $0.2 cd A À1 at most, probably due to the low emission capability of the PCTP emitter (U PL : 3% in DCM).…”
Section: Cross-linked Polymersmentioning
confidence: 99%
“…Among those are fluoranthene and triphenylene derivatives. Fluoranthene or triphenylene derivatives have been widely used as blueemitting materials in OLEDs due to their excellent photoluminescence (PL) and EL characteristics, as well as good thermal properties [16][17][18][19][20]. However, those have the extended aromatic surfaces, which provide the easy crystalline properties and thus reduce their EL performances.…”
Section: Introductionmentioning
confidence: 99%