Specyfikacja
- Name: NPB
- Pełna nazwa: N,N′-Di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine
- Numer CAS: 123847-85-8
- Chemical formula: C44H32N2
- Molecular weight: 588.74 g/mol
- Absorption: λmax = 339 nm
- Photoluminescence: λmax = 450 nm in THF
- HOMO/LUMO: HOMO = 5.5 eV, LUMO = 2.4 eV
- Synonyms: NPD, α-NPB, α-NPD, N,N′-Bis(naphthalen-1-yl)-N,N′-bis(phenyl)benzidine
- Classification: Organic light-emitting diodes, Hole transport layer materials (HTL), Electron block layer materials (EBL), Hole injection layer materials (HIL), Organic field-effect transistor (OFET), Organic photovoltaics (OPV), Polymer solar cells, Perovskite solar cells, TADF materials
- Purity: Sublimed: >99.5% (HPLC)
- Melting point: 279 - 283 °C
- Appearance: Off-white powder