Skip to Content
Merck
CN
All Photos(1)

Documents

734594

Sigma-Aldrich

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

96%

Sign Into View Organizational & Contract Pricing
All Photos(1)
Synonym(s):
N,N′-Bis(naphthalen-1-yl)-N,N′-bis(phenyl)benzidine, NPB, NPD
Empirical Formula (Hill Notation):
C44H32N2
CAS Number:
123847-85-8
Molecular Weight:
588.74
MDL number:
MFCD03093246
UNSPSC Code:
12352103
PubChem Substance ID:
329764912
NACRES:
NA.23

Quality Level

100

Assay

96%

form

solid

mp

275-280 °C
279-283 °C (lit.)

Orbital energy

HOMO 5.5 eV 
LUMO 2.4 eV 

OLED Device Performance

ITO/NPD/TCTA/BCPO:Ir(piq)3 (7-8%)/BCP/Alq3/LiF/Al

  • Color: red
  • Max. Luminance: 24529 Cd/m2
  • Max. EQE: 17 %
  • Turn-On Voltage: 2.7 V

ITO/NPD/TCTA/BCPO:Ir(ppy)3 (7-8%)/BCP/Alq3/LiF/Al
  • Color: green
  • Max. Luminance: 207839 Cd/m2
  • Max. EQE: 21.6 %
  • Turn-On Voltage: 2.1 V

ITO/NPD/mCP/BCPO:FIrpic (8%)/TAZ/LiF/Al
  • Color: blue
  • Max. Luminance: 35677 Cd/m2
  • Max. EQE: 23.5 %
  • Turn-On Voltage: 2.8 V

ITO/PEDOT:PSS/NPD/TCTA/m-CBTZ:Ir(Bt)2(acac) (10%)/TPBI/LiF/Al
  • Color: yellow
  • Max. Luminance: 106000 Cd/m2
  • Max. EQE: 17.5 %
  • Turn-On Voltage: 3 V

SMILES string

c1ccc(cc1)N(c2ccc(cc2)-c3ccc(cc3)N(c4ccccc4)c5cccc6ccccc56)c7cccc8ccccc78

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

Hole transporting material for OLED devices

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Shakeel S Dalal et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(14), 4227-4232 (2015-04-02)
Physical vapor deposition is commonly used to prepare organic glasses that serve as the active layers in light-emitting diodes, photovoltaics, and other devices. Recent work has shown that orienting the molecules in such organic semiconductors can significantly enhance device performance.
Courtney M Wheatley et al.
Respiratory medicine, 109(8), 1001-1011 (2015-06-17)
Despite the demonstrated advantageous systemic changes in response to regular exercise for individuals with cystic fibrosis (CF), exercise is still viewed as an elective rather than a vital component of therapy, and it is likely that these benefits extend to
Highly efficient and stable organic light-emitting diode using 4,4'-bis(N-carbazolyl)-9,9'-spirobifluorene as a thermally stable host material
Tsuzuki, T.; Tokito, S.
Applied Physics Letters, 94, 033302-033302 (2009)
Phenylcarbazole-dipyridyl triazole hybrid as bipolar host material for phosphorescent OLEDs
Hung, W.; et al.
Journal of Materials Chemistry, 22, 5410-5418 (2012)
Almesh Kadakol et al.
Biochemical and biophysical research communications, 461(2), 342-347 (2015-04-19)
Esculetin (6, 7- dihydroxycoumarin) was found to be protective against hepatic and renal damage associated with Streptozotocin (STZ) induced type 1 diabetes, because of its radical scavenging property. However, there are no reports regarding its effect on vascular dysfunction under
View All Related Papers

Articles

Organic Semiconductor Laser Materials

Organic Semiconductor Laser Materials

Materials Design Concepts for Efficient Blue OLEDs: A Joint Theoretical and Experimental Study

Materials Design Concepts for Efficient Blue OLEDs: A Joint Theoretical and Experimental Study

Organic & Hybrid Electronics for Optical Analysis

Professor Shinar highlights low-cost, disposable sensor configurations in organic and hybrid electronics for healthcare applications.

Optoelectronic Devices with DPP-containing Molecules

Organic materials in optoelectronic devices like LEDs and solar cells are of significant academic and commercial interest.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service