| Identification | More | [Name]
N,N'-Bis-(1-naphthalenyl)-N,N'-bis-phenyl-(1,1'-biphenyl)-4,4'-diamine | [CAS]
123847-85-8 | [Synonyms]
4,4'-BIS[N-(1-NAPHTHYL)-N-PHENYLAMINO]BIPHENYL
ALPHA NAPHTHYLPHENYL BENZIDINE
ALPHA-NPB
N,N'-Bis-(1-naphthalenyl)-N,N'-bis-phenyl-(1,1'-biphenyl)-4,4'-diamine
N,N'-BIS(NAPHTHALEN-1-YL)-N,N'-BIS(PHENYL)BENZIDINE
N,N'-DI-[(1-NAPHTHALENYL)-N,N'-DIPHENYL]-1,1'-BIPHENYL)-4,4'-DIAMINE
n,n'-di-[(1-naphthyl)-n,n'-diphenyl]-1,1'-biphenyl)-4,4'-diamine
NPB
NPD
N,N'-di-(Naphthalen-1-yl)-N,N'-diphenyl benzidine
N,N'-DI-((1-NAPHTHALENYL)-N,N'-DIPHENYL)-(1,1'-BIPHENYL)-4,4'-DIAMINE, 99.5+%
N N'-DI-((1-NAPHTHALENYL)-N N'-DIPHENYL&
alpha-Naphtylphenylbenzidine
a-NPB
4,4'-Bis[(1-naphthyl)phenylamino]-1,1'-biphenyl
N,N''-DIS(NAPHTHALEN-L-YL)-N,N''-DIPHENYL-BENZIDINE
NPB, NPD, N,Nμ-Bis(naphthalen-1-yl)-N,Nμ-bis(phenyl)benzidine
NPABP | [EINECS(EC#)]
1312995-182-4 | [Molecular Formula]
C44H32N2 | [MDL Number]
MFCD03093246 | [Molecular Weight]
588.74 | [MOL File]
123847-85-8.mol |
| Chemical Properties | Back Directory | [Melting point ]
279-283°C | [Boiling point ]
772.5±53.0 °C(Predicted) | [density ]
1.213±0.06 g/cm3(Predicted) | [storage temp. ]
Inert atmosphere,Room Temperature | [solubility ]
Chloroform (Heated), DMSO (Slightly, Heated, Sonicated), Ethyl Acetate (Slightly） | [form ]
Powder | [pka]
-0.08±0.50(Predicted) | [color ]
Pale yellow | [λmax]
339nm(THF)(lit.) | [Detection Methods]
HPLC | [InChIKey]
IBHBKWKFFTZAHE-UHFFFAOYSA-N | [CAS DataBase Reference]
123847-85-8(CAS DataBase Reference) | [Absorption]
λmax?339 nm | [Description]
N,N′-Di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine, also known as NPB or NPD, has been used intensively in OLEDs and other organic electronic devices such as polymer photovoltaics (OPV) and perovskite solar cells for its outstanding hole transport capability. | [Odor]
Off-White powder |
| Hazard Information | Back Directory | [Chemical Properties]
Light yellow to yellow powder | [Uses]
Hole transporting material for OLED devices | [General Description]
TGA/DSC Lot specific traces available upon request |
| Questions And Answer | Back Directory | [Applications]
N,N′-Di(1-naphthyl)-N,N′-diphenyl-(1,1′-biphenyl)-4,4′-diamine, also known as NPB or NPD, has been used intensively in OLEDs and other organic electronic devices such as polymer photovoltaics (OPV) and perovskite solar cells for its outstanding hole transport capability.
NPB is considered as one of the best materials within its competition, and has become the most common-used material in OLEDs' application. This is due to its increased Tg up to 95 °C, which enhances device morphology and is beneficial for device longevity.
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