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762903

Sigma-Aldrich

N,N′-Di(2-naphthyl-N,N′-diphenyl)-1,1′-biphenyl-4,4′-diamine

99% (HPLC)

Synonym(s):

N,N′-Bis(naphthalen-2-yl)-N,N′-bis(phenyl)benzidine, beta-NPB

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About This Item

Empirical Formula (Hill Notation):
C44H32N2
CAS Number:
139255-17-7
Molecular Weight:
588.74
MDL number:
MFCD03093247
UNSPSC Code:
12352103
PubChem Substance ID:
329767010
NACRES:
NA.23

assay

99% (HPLC)

form

powder

mp

168-175 °C

SMILES string

c1ccc(cc1)N(c2ccc(cc2)-c3ccc(cc3)N(c4ccccc4)c5ccc6ccccc6c5)c7ccc8ccccc8c7

InChI

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

InChI key

BLFVVZKSHYCRDR-UHFFFAOYSA-N

Application

This material is used as a hole transport layer in a variety of OLED devices
Used in organic electronic light emitting devices.[1][2][3]

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKBK9683

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High-efficiency deep blue host for organic light-emitting devices
Gao ZQ, et al.
Applied Physics Letters, 90, 123506-123506 (2007)
Theoretical design of a hole-transporting molecule: hexaaza[16]parabiphenylophane
Ito A, et al.
Journal of Materials Chemistry, 21, 6375-6382 (2011)
Yoshinori Hirai et al.
Chemical communications (Cambridge, England), 46(7), 1103-1105 (2010-02-04)
Catalytic aromatic amination was achieved in water under heterogeneous conditions by the use of palladium complexes anchored to the amphiphilic PS-PEG resin with little palladium leaching to provide a green and clean (metal-uncontaminated) protocol for the preparation of triarylamines, including
Young Soo Kwon et al.
Journal of nanoscience and nanotechnology, 9(12), 7056-7060 (2009-11-17)
A series of seven diarylaminofluorene-derived fluorescent molecules demonstrating a blue emission in organic light-emitting diodes (OLEDs) were synthesized via the Horner-Wadsworth-Emmons reaction and the Suzuki-cross coupling reaction. Among the molecules, one device exhibited blue emission with a maximum luminance of
Interfacial Charge Transfer and Charge Generation in Organic Electronic Devices
Matsushima T, et al.
Organic Electronics, 12(3), 520-528 (2011)
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Articles

Aggregation-induced Emission Luminogens for Non-doped Organic Light-emitting Diodes

Organic Light-emitting Diodes (OLEDs) are solid-state devices that transform electrical energy into light. OLEDs are considered the next generation technology for high-resolution flexible displays and solid state lighting, attracting intense scientific and industrial interest.

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