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556696

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

sublimed grade, 99%

Synonym(s):

N,N′-Bis(naphthalen-1-yl)-N,N′-bis(phenyl)benzidine, NPB, NPD

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About This Item

Empirical Formula (Hill Notation):
C44H32N2
CAS Number:
123847-85-8
Molecular Weight:
588.74
NACRES:
NA.23
PubChem Substance ID:
57651547
UNSPSC Code:
12352103
MDL number:
MFCD03093246
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grade

sublimed grade

assay

99%

loss

0.5 wt. % loss on heating, 345°C (typical, TGA)

mp

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

General description

TGA/DSC Lot specific traces available upon request

Application

Hole transporting material for OLED devices

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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