General information
- Name: TPD
- Full name: N,N'-Bis(3-methylphenyl)-N,N'-bis(phenyl)-benzidine
- CAS number: 65181-78-4
- Chemical formula: C38H32N2
- Molecular weight: 516.67 g/mol
- Absorption: λmax = 352 nm in THF
- Photoluminescence: λmax = 398 nm in THF
- HOMO/LUMO: HOMO = 5.5 eV, LUMO = 2.3 eV
- Synonyms: N,N′-Bis(3-methylphenyl)-N,N′-diphenylbenzidine, N,N'-Diphenyl-N,N'-di(m-tolyl)benzidine, 4,4'-Bis[N-phenyl-N-(m-tolyl)amino]biphenyl
- Classification: Light-emitting diodes, Organic light-emitting diodes, Hole injection layer materials (HIL), Hole transport layer materials (HTL), Host materials
- Purity: Sublimed: >99%
- Melting point: 175 - 177 °C
- Appearance: White powder/crystals