N,N'-Di-1-naphthyl-N,N'-diphenylbenzidine (purified by sublimation)

Name: N,N'-Di-1-naphthyl-N,N'-diphenylbenzidine (purified by sublimation)
SKU: ACM123847858-1
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Catalog NumberACM123847858-1

CAS Number123847-85-8

CategorySemiconducting Materials; Other Material Building Blocks; Electroluminescence Materials; Organic Light-Emitting Diode (OLED) Materials; Perovskite Solar Cell (PSC) Materials

N,N'-Di-1-naphthyl-N,N'-diphenylbenzidine (purified by sublimation)

Synonyms

α-NPB (purified by sublimation)
α-NPD (purified by sublimation)

IUPAC Name

N-[4-[4-(N-naphthalen-1-ylanilino)phenyl]phenyl]-N-phenylnaphthalen-1-amine

Molecular Weight

588.75

Molecular Formula

C44H32N2

Canonical SMILES

C1=CC=C(C=C1)N(C2=CC=C(C=C2)C3=CC=C(C=C3)N(C4=CC=CC=C4)C5=CC=CC6=CC=CC=C65)C7=CC=CC8=CC=CC=C87

InChI

InChI=1S/C44H32N2/c1-3-17-37(18-4-1)45(43-23-11-15-35-13-7-9-21-41(35)43)39-29-25-33(26-30-39)34-27-31-40(32-28-34)46(38-19-5-2-6-20-38)44-24-12-16-36-14-8-10-22-42(36)44/h1-32H

InChI Key

IBHBKWKFFTZAHE-UHFFFAOYSA-N

Melting Point

281 °C

Purity

>99.0%(HPLC)(N)

Appearance

White to Yellow to Green powder to crystal

Application

N,N'-Di-1-naphthyl-N,N'-diphenylbenzidine (purified by sublimation) is a light yellow to yellow powder that serves as an effective hole transporting material for OLED devices. Widely recognized in the field of organic electronics under the name NPB or NPD, this compound is renowned for its exceptional hole transport properties. It is frequently employed in OLEDs and finds applications in polymer photovoltaics (OPV) and perovskite solar cells due to these capabilities. NPB is considered a leading material among its competitors, becoming the most commonly used material in OLED applications. Its popularity can be attributed to its high glass transition temperature (Tg) of up to 95 °C, which enhances device morphology and significantly contributes to the longevity of these devices.

Storage

Store under inert gas

Complexity

829

Covalently-Bonded Unit Count

Exact Mass

588.256549g/mol

Formal Charge

Hazard Statements

H413 : May cause long lasting harmful effects to aquatic life.

Heavy Atom Count

MDL Number