Charge Transport Layer Materials, High Purity Sublimed Materials, Hole Injection Layer Materials
With its very low solid-state ionisation potential and good-quality amorphous film, 4,4',4''-Tris[phenyl(m-tolyl)amino]triphenylamine, m-MTDATA acts as an effective material for the hole-injection buffer layer (HIL) that facilitates hole injection from the ITO electrode to the hole transporting layer (HTL). This potentially lowers the driving voltage of the OLED devices.
F4-TCNQ, a strong electron acceptor, is always used together with m-MTDATA as a p-doping material to improve the conductivity of the HTL buffering layer. Typical structure of the device (or part of the device) is ITO/p-doped m-MTDATA/HTL/etc.
| CAS number | 124729-98-2 |
|---|---|
| Chemical formula | C57H48N4 |
| Molecular weight | 789.02 g/mol |
| Absorption | λmax 312 nm, 342 nm in THF |
| Fluorescence | λem 425 nm in THF |
| HOMO/LUMO | HOMO 5.1 eV, LUMO 2.0 eV [1] |
| Synonyms | 4,4',4''-Tris[(3-methylphenyl)phenylamino]triphenylamine |
| Classification / Family | Triphenylamine derivatives, Hole-injection materials, Hole transporting materials, Light-emitting diodes, Organic electronics |
| Purity | Sublimed* >99.0% (HPLC) |
|---|---|
| Melting point | 210 °C |
| Appearance | Yellow/white powder |
*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the Sublimed Materials.
Chemical Structure of 4,4′,4′′-Tris[phenyl(m-tolyl)amino]triphenylamine (m-MTDATA)专业代理国外知名镊子品牌
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