10-phenyl-10H,10′H-spiro[acridine-9,9′-anthracen]-10′-one (ACRSA) is one of the few spiro compounds known to exhibit efficient thermally activated delayed fluorescence (TADF). Its bichromophoric structure consists of a weakly-coupled acridine moiety as an electron-donating unit and an anthracenone moiety as an electro-accepting group. These are covalently linked by a spiro-junction in such a way that the respective π systems are orthogonal.
ACRSA is also known as an aromatic ketone-derived green emitter with a relatively small ΔEST of 0.03 eV.
|Molecular weight||435.52 g/mol|
|Absorption||λmax 430 nm|
|Fluorescene||λem 490 nm|
|HOMO/LUMO||ΔEST = 0.03 eV (ES1 = 2.55 eV, ET1 = 2.52 eV) |
|Classification / Family||Acridine derivatives, Green emitter, Light-emitting diodes, Organic electronics, TADF materials, Sublimed materials.|
|Purity||Sublimed >99.0% (HPLC)|
*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.
|Device structure||ITO/a-NPD (40 nm)/mCP (10 nm)/20 wt% ACRSA:DPEPO (15 nm)/DPEPO (3.5 nm)/TPBi (41.5 nm)/LiF (0.8 nm)/Al (80 nm) |
|Colour||Blue - greenish|
|Device structure||ITO/a-NPB (35 nm)/mCP (10 nm)/1 wt%-TBPe: 15wt%-ACRSA: DPEPO (15 nm)/DPEPO (8 nm)/TPBi (57 nm)/LiF (0.8 nm)/Al (100 nm) |
|Max Current Efficiency||27 cd/A|
|Max. Power Efficiency||18 lm W-1|
*For chemical structure information, please refer to the cited references.
|Sublimed (>99.0% purity)||M2118A1||250 mg||£180.00|
|Sublimed (>99.0% purity)||M2118A1||500 mg||£304.00|
|Sublimed (>99.0% purity)||M2118A1||1 g||£518.00|
Literature and Reviews
- A highly luminescent spiro-anthracenone-based organic light-emitting diode exhibiting thermally activated delayed fluorescence, K. Nasu et al., Chem. Comm. 49, 10385 (2013); DIO: 10.1039/C3CC44179B.
- High-efficiency organic light-emitting diodes with fluorescent emitters, H. Nakanotani et al., Nat. Commun., 5:4016 (2014); DOI: 10.1038/ncomms5016.
- Climbing up the Ladder: Intermediate Triplet States Promote the Reverse Intersystem Crossing in the Efficient TADF Emitter ACRSA, I. Lyskov et al., J. Phys. Chem. C, 121, 21145−21153 (2017); DOI: 10.1021/acs.jpcc.7b06187.
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.