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Sigma-Aldrich

N4,N4-Di(biphenyl-4-yl)-N4′-(naphthalen-1-yl)-N4′-phenyl-biphenyl-4,4′-diamine

≥99% (HPLC)

Synonym(s):

N,N-Bis(biphenyl-4-yl)-N′-(naphthalene-1-yl)-N′-phenylbenzidine, N-Phenyl-N-[4-[4-(4-phenyl-N-(4-phenylphenyl)anilino)phenyl]phenyl]naphthalen-1-amine

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About This Item

Empirical Formula (Hill Notation):
C52H38N2
CAS Number:
897671-42-0
Molecular Weight:
690.87
MDL number:
MFCD29924830
UNSPSC Code:
12352116
NACRES:
NA.23

grade

sublimed grade

Quality Level

100

Assay

≥99% (HPLC)

solubility

chloroform: soluble
dichloromethane: soluble
toluene: soluble

Orbital energy

HOMO 5.5 eV 
LUMO 2.3 eV 

Application

N4,N4-Di(biphenyl-4-yl)-N4′-(naphthalen-1-yl)-N4′-phenyl-biphenyl-4,4′-diamine is mostly used as Hole Transport Layer (HTL) / Electron Blocking Layer (EBL) material in organic light emitting diode devices.
N4,N4-Di(biphenyl-4-yl)-N4′-(naphthalen-1-yl)-N4′-phenyl-biphenyl-4,4′-diamine is primarily used as a hole transport material in organic electronic devices such as organic light-emitting diodes (OLEDs) and organic photovoltaic (OPV) devices. It has been investigated for its use in other electronic applications, such as organic field-effect transistors (OFETs) and organic photodetectors. Its high hole mobility and favorable charge transport characteristics make it suitable for these applications where efficient hole transport is required.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Controlling triplet?triplet upconversion and singlet-triplet annihilation in organic light-emitting diodes for injection lasing.
Shukla A, et al.
Communications materials (2022)
Hole mobility of N, N-bis (naphthalen-1-yl)-N, N-bis (phenyl) benzidine investigated by using space-charge-limited currents.
Chu Ta-Ya, et al.
Applied Physics Letters, 90, 203512-203512 (2007)
Influence of the thickness of N, N'-Bis(naphthalene-1-yl)- N, N'-bis(phenyl) benzidine layer on the performance of organic light-emitting diodes.
Jiao B, et al.
Applied Physics. A, Materials Science & Processing (2009)

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