TPD

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: λ_max = 352 nm in THF
• Photoluminescence: λ_max = 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