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557587

Sigma-Aldrich

5,12-Dihydro-5,12-dimethylquino[2,3-b]acridine-7,14-dione

Synonym(s):

DMQA

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About This Item

Empirical Formula (Hill Notation):
C22H16N2O2
CAS Number:
19205-19-7
Molecular Weight:
340.37
MDL number:
MFCD00683078
UNSPSC Code:
12352103
PubChem Substance ID:
24879680
NACRES:
NA.23

mp

286 °C (dec.) (lit.)

λmax

295 nm in methylene chloride

OLED device performance

ITO/NPD/Alq3:DMQA (1.8 wt %)/LiF/Al

  • Color: green
  • Max. Luminance: 22000 Cd/m2
  • Max. EQE: 2.1 %

ITO/NPD/Alq3:DMQA (5 wt %)/LiF/Al
  • Color: green
  • Max. Luminance: 13000 Cd/m2
  • Max. EQE: 1.5 %

SMILES string

CN1c2ccccc2C(=O)c3cc4N(C)c5ccccc5C(=O)c4cc13

InChI

1S/C22H16N2O2/c1-23-17-9-5-3-7-13(17)21(25)15-12-20-16(11-19(15)23)22(26)14-8-4-6-10-18(14)24(20)2/h3-12H,1-2H3

InChI key

SCZWJXTUYYSKGF-UHFFFAOYSA-N

General description

Fluorescent dye

Application

DMQA may be used to explore the performance of indium tin oxide (ITO)/N,N′-bis-(1-naphthyl)-N,N′-diphenyl-1,1′-biphenyl-4,4′-diamine (NPB)/tris-(8-hydroxyquinolate)-aluminum (Alq3)/MgAg based organic light emitting diodes.[1][2] When used as the emissive dopant in an Alq host layer, DMQA provides improved operational stability.[3]
Green dopant for OLED applications.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
12131EO

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Study on electroluminescence processes in dye-doped organic light-emitting diodes
Li W, et al.
Journal of Luminescence, 1175-1179 null
Shi, J.; Tang, C.W.
Applied Physics Letters, 70, 1665-1665 (1997)
Study on electroluminescence processes in dye-doped organic light-emitting diodes
Li W, et al.
Journal of Luminescence null
Doped organic electroluminescent devices with improved stability.
Shi J and Tang CW
Applied Physics Letters, 1665-1667 null
Remarkable increase in the efficiency of N,N'-dimethylquinacridone dye heavily doped organic light emitting diodes under high current density
Liu, H.; et al.
Applied Physics Letters, 96, 083301-083301 (2010)
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