CAS Number 177799-16-5
9,10-Bis[N,N-di-(p-tolyl)-amino]anthracene, TTPA, is commonly used as a green dopant material in TADF-OLED devices.
Bearing two triarylamine units, TTPA is also electron-rich in nature. It can be used as a hole-transporting material for OLED, OPV, and perovskite solar cell applications.
CAS number | 177799-16-5 |
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Full name | 9,10-Bis[N,N-di-(p-tolyl)-amino]anthracene |
Chemical formula | C42H36N2 |
Molecular weight | 568.75 g/mol |
Absorption | λmax 294, 471 nm in DCM |
Fluorescence | λem 554 nm in DCM |
HOMO/LUMO | HOMO = 5.5 eV, LUMO = 3.1 eV [1] |
Synonyms | TTP1; ATTP |
Classification / Family | Triarylamine derivatives, Organic electronics, Hole transport layer materials (HTL), Electron-blocking layer materials (EBL), TADF green dopant materials, TADF-OLEDs, Sublimed materials. |
Purity | Sublimed: >99.0% (HPLC) |
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Melting point | TGA: >280 °C (0.5% weight loss) |
Appearance | Yellow powder/crystals |
*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the Sublimed Materials.
Device structure | ITO/α-NPD (30 nm)/DPEPO (10 nm)/TPBi (40 nm)/1 wt% DBP:10 wt% TTPA:mCP (8 nm)/mCP (2 nm)/DMAC-DPS (7.5 nm)/LiF (0.5 nm)/Al (100 nm) [1] |
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Colour |
White ![]() |
Max. EQE | 12.1% |
Max. Power Efficiency | 22 lm W-1 |
Device structure | ITO/TAPC (35 nm)/1 wt%-TTPA:50 wt%-ACRXTN:mCP (15 nm)/TPBi (65 nm)/LiF (0.8 nm)/Al (100 nm) [2] |
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Colour |
Green ![]() |
Max Current Efficiency | 45 cd/A |
Max EQE | 15.8% |
Max. Power Efficiency | 47 lm W-1 |
Device structure | ITO/MoO3 (2 nm)/TAPC (40 nm)/TCTA (10 nm)/CzSi (3 nm)/CzSi:Pd-B-1* (10%):TTPA (1%) (20 nm)/TSPO1 (10 nm)/TmPyPb (40 nm)/LiF (1.2 nm)/Al (150 nm) [3] |
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Colour |
Green ![]() |
Max Current Efficiency | 38.85 cd/A |
Max EQE | 10.41% |
Max. Power Efficiency | 38.14 lm W-1 |
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