PPF
CAS Number 911397-27-8
High Purity Sublimed Materials, Host Materials, Materials, OLED Materials, Phosphorescent Host Materials, Semiconducting Molecules
PPF, ETL material and host material for effective triplet excitons confinement
High-purity (>99.0%) and available online for priority dispatch, Dibenzo[b,d]furan-2,8-diylbis(diphenylphosphine oxide), CAS No. 911397-27-8, Sublimed ≥99.0%
PPF contains an electron donating dibenzo[b,d]furan core and two electron deficient diphenylphosphine oxide units. Due to their electron deficient nature, both PPF and PPT can be used as electron transport layer materials, and in some cases, to form exciplex with electron deficient donors, i.e. TAPC as emitting layer materials in TADF-OLED devices.
PPF shows a high triplet energy (ET = 3.1 eV) and it also can be used as host material for effective triplet excitons confinement in the emissive layer. PPF could also be used as exciton blocking layer material.
General Information
| CAS number | 911397-27-8 |
|---|---|
| Full name | 2,8-Bis(diphenyl-phosphoryl)-dibenzo[b,d]furan |
| Chemical formula | C36H26O3P2 |
| Molecular weight | 568.54 g/mol |
| Absorption | λmax 300 nm in DCM |
| Fluorescence | λem 440 nm in DCM |
| HOMO/LUMO | HOMO = 6.7 eV, LUMO = 2.7 eV (ET = 3.1 eV) [1] |
| Synonyms |
|
| Classification / Family | Dibenzofuran derivatives, Organic electronics, Electron-transport layer materials (ETL), Phosphorescent host materials, Fluorescent host materials, TADF-OLEDs, Organic long persistent luminescence, Sublimed materials. |
Product Details
| Purity | Sublimed: >99.0% (HPLC) |
|---|---|
| Melting point | 253 °C (dec.) |
| Appearance | White powder/crystals |
*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the Sublimed Materials.
Chemical Structure
Device Structure(s)
| Device structure | ITO (50 nm)/HAT-CN (10 nm)/TAPC (50 nm)/CCP (10 nm)/PPF:TMCz-BO (20 nm)/PPF (10 nm)/B3PyPB (30 nm)/Liq (1 nm)/Al (100 nm) [1] |
|---|---|
| Colour |
 Blue |
| Max. EQE | 20.7% |
| Device structure | ITO (50 nm)/TAPC (70 nm)/CDBP (10 nm)/6 wt% CCX-II:PPF (20 nm)/PPF (10 nm)/BmPyPhB (30 nm)/Liq (1 nm)/Al (80 nm) [2] |
|---|---|
| Colour |
Blue |
| Max. EQE | 25.9% |
| Max. Current Efficiency | 41.1 cd/A |
| Max. Power Efficiency | 35.9 lm/W |
| Device structure | ITO (50 nm)/HAT-CN (10 nm)/α-NPD (50 nm)/CCP (5 nm)/ 6 wt % DPAc-INN-1:PPF (20 nm)/PPF (10 nm)/TPBi (50 nm)/Liq (1 nm)/Al (100 nm) [3] |
|---|---|
| Colour |
Blue |
| Max. EQE | 12.8% |
| Max. Current Efficiency | 24.2 cd/A |
| Max. Power Efficiency | 18.1 lm/W |
| Device structure | ITO/HAT-CN (10 nm)/a-NPD (40 nm)/CCP (5 nm)/18 wt% MFAc-PPM:PPF (20 nm)/PPF (10 nm)/TPBi (30 nm)/Liq (1 nm)/Al (100 nm) [4] |
|---|---|
| Colour |
Blue |
| Max. EQE | 20.4% |
| Max. Current Efficiency | 41.7 cd/A |
| Max. Power Efficiency | 37.2 lm/W |
*For chemical structure information, please refer to the cited references.
MSDS Documentation
PPF MSDS sheetLiterature and Reviews
- Nanosecond-time-scale delayed fluorescence molecule for deep-blue OLEDs with small efficiency rolloff, J. Kim et al., Nature Commun., 11, 1765 (2020); DOI: 10.1038/s41467-020-15558-5.
- Blue organic light-emitting diodes realizing external quantum efficiency over 25% using thermally activated delayed fluorescence emitters, T. Miwa et al., SCi. Report, 7, 284 (2017); DOI:10.1038/s41598-017-00368-5.
- An Isonicotinonitrile-based Blue Thermally Activated Delayed Fluorescence Emitter, I. Park et al., Chem. Lett., 49, 210–213 (2020); DOI:10.1246/cl.190808.