734594

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

96%

• 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

Properties

• 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

Description

Application

Hole transporting material for OLED devices

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable