ZADN, 2-[4-(9,10-Di-naphthalen-2-yl-anthracen-2-yl)-phenyl]-1-phenyl-1H-benzoimidazole, is a family member of anthracene. It has been extensively explored and tested for applications in photochromic chemistry and OLED devices.
ZADN is widely used as an electron-transport layer material (ETL) and hole-blocking layer material (HBL) for organic electronic devices.
General Information
CAS number | 561064-11-7 |
Chemical formula | C53H34N2 |
Molecular weight | 698.85 g/mol |
Absorption | No data available |
Fluorescence | No data available |
HOMO/LUMO | HOMO = -6.0 eV, LUMO = -2.9 eV [1] |
Synonyms | 2-[4-(9,10-Di-naphthalen-2-yl-anthracen-2-yl)-phenyl]-1-phenyl-1H-benzoimidazole |
Classification / Family | Electron transport layer (ETL) materials, Solution-processed OLED materials, TADF materials, PHOLEDs, OPV, Sublimed materials |
Product Details
Purity | >99.0% (sublimed) |
Melting Point | No data available |
Colour | Light yellow powder |
*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the Sublimed Materials for OLED devices page.
Chemical Structure
Device Structure(s)
Device structure | ITO (50 nm)/DNTPD (40 nm)/BPBPA (10 nm)/PCZAC (10 nm)/mCBP:DBFTrz:Ir(CNpi)3 (50:50:5) (30 nm)/DBFTrz (5 nm)/ZADN (20 nm)/LiF (1.5 nm)/Al (200 nm) [2] |
Colour | Blue |
Max. Current Efficiency | 34.8 cd/A |
Max. Power Efficiency | 23.2 lm W−1 |
Max. EQE | 18.0% |
Device structure | ITO (50 nm)/DNTPD (40 nm)/BPBPA (10 nm)/PCZAC (10 nm)/mCBP:DBFTrz:(Ir(ppy)2acac (50:50:5) (30 nm)/DBFTrz (5 nm)/ZADN (20 nm)/LiF (1.5 nm)/Al (200 nm) [2] |
Colour | Green |
Max. Current Efficiency | 66.2 cd/A |
Max. Power Efficiency | 47.6 lm W−1 |
Max. EQE | 18.1% |
Device structure | ITO (50 nm)/DNTPD (40 nm)/BPBPA (10 nm)/PCZAC (10 nm)/mCBP:DBFTrz: Ir(mphmq)2tmd (50:50:5) (30 nm)/DBFTrz (5 nm)/ZADN (20 nm)/LiF (1.5 nm)/Al (200 nm) [2] |
Colour | Red |
Max. Current Efficiency | 30.6cd/A |
Max. Power Efficiency | 23.4 lm W−1 |
Max. EQE | 21.2% |
Pricing
Grade | Order Code | Quantity | Price |
Sublimed (>99.0% purity) | M2091A1 | 500 mg | £177.00 |
Sublimed (>99.0% purity) | M2091A1 | 1 g | £283.00 |
MSDS Documentation
ZADN MSDS sheet
Literature and Reviews
- Triplet emitter doped exciton harvesting layer for improved efficiency and long lifetime in blue phosphorescent organic light-emitting diodes, J. Choi et al., Syn. Met., 220, 573-577 (2016); https://doi.org/10.1016/j.synthmet.2016.07.033.
- Electroplex as a New Concept of Universal Host for Improved Efficiency and Lifetime in Red, Yellow, Green, and Blue Phosphorescent Organic Light-Emitting Diodes, W. Song et al., Adv. Sci., 5, 1700608 (2018); DOI: 10.1002/advs.201700608
- Lifetime extension of blue phosphorescent organic light-emitting diodes by suppressing triplet-polaron annihilation using a triplet emitter doped hole transport layer, W. Song et al., Org. Electronics 49, 152-156 (2017); http://dx.doi.org/10.1016/j.orgel.2017.06.057.
- Pure Hydrocarbon Hosts for ≈100% Exciton Harvesting in Both Phosphorescent and Fluorescent Light‐Emitting Devices, L. Cui et al., Adv. Mater., 27, 4213–4217 (2015); DOI: 10.1002/adma.201501376.
To the best of our knowledge the technical information provided here is accurate. However, Ossila assume no liability for the accuracy of this information. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch.