MADN

Order Code: M2092A1
MSDS sheet

Price

(excluding Taxes)

£218.60


General Information

CAS number 804560-00-7
Chemical formula C35H24
Molecular weight 444.57 g/mol
Absorption λmax 379 nm, 399 nm in DCM
Fluorescence λem  439 nm in DCM
HOMO/LUMO HOMO = -5.5 eV, LUMO = -2.5 eV [1]
Synonyms 2-Methyl-9,10-bis(naphthalen-2-yl)anthracene, 2-Methyl-9,10-di(2-naphthyl)anthracene
Classification / Family Hole-transport layer (HTL) materials, Solution-processed OLED maetrials, Blue emitter, PHOLEDs, OPV, Sublimed materials

 

Product Details

Purity >99.5% (sublimed)
Melting Point 253 - 258 °C (lit.); TGA: Td ≥ 310 oC (5% weight loss)
Colour White powder/crystals

*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the Sublimed Materials for OLED devices page.

 

madn chemical structure, 804560-00-7
Chemical structure of 2-Methyl-9,10-bis(naphthalen-2-yl)anthracene (MADN), CAS No. 804560-00-7.

 

Applications

MADN, 2-methyl-9,10-bis(naphthalen-2-yl)anthracene is commonly known as a blue emitter. It is widely used as a highly-efficient blue host material and hole-transporting material (HTM) for organic electronic devices. Exhibiting an ambipolar transporting ability, MADN offers stable thin-film morphology and a wide energy band-gap.

As a hole-transporting material, MADN can reduce the amount of hole carriers injected into the device - leading to a well-balanced carrier recombination [2].

 

Device structure ITO/CFx/MADN (60 nm)/Alq3:1%C545T (37.5 nm)/Alq3 (37.5 nm)/LiF (1 nm)/Al (150 nm) [2]
Colour Green  green
Luminance@6.6V 4366 cd/m2
Current Efficiency@20mA/cm2 21.8 cd/A
Power Efficiency@20mA/cm2 10.4 lm W1
EQE@20mA/cm2 5.8%
Device structure

ITO/CFx/c-HTL (40nm)/NPB (10nm)/MADN:5%BD1 (40nm)/Alq3 (10nm)/Al-LiF [3]

Colour Deep Blue  deep blue
Luminance@6.8V 1080 cd/m2
Current Efficiency@20mA/cm2 5.4 cd/A
Power Efficiency@20mA/cm2 2.5 lm W1  
EQE@20mA/cm2 5.1%
Device structure ITO/NPD (40 nm)/MADN:1wt% C545T (20 nm)/B3PyPB (40 nm)/LiF/Al [4]
Colour Green  green
Max. EQE 6.0%
Device structure ITO/TAPC (35 nm)/MADN + 6 wt%DPAVBi (20 nm)/B3PyPB (40 nm)/LiF (1 nm)/Al (80 nm) [4]
Colour Blue blue
EQE@100 cd/m2 8.2%

*For chemical structure information, please refer to the cited references

Literature and Reviews

  1. Highly efficient and stable sky blue organic light-emitting devices, M-F. Lin et al., Appl. Phys. Lett. 89, 121913 (2006); doi: 10.1063/1.2356903.
  2. Study of efficient and stable organic light-emitting diodes with 2-methyl-9,10-di(2-naphthyl)anthracene as hole-transport material by admittance spectroscopy, M-H. Ho et al., Appl. Phys. Lett. 94, 023306 (2009); doi: 10.1063/1.3072616.
  3. Highly Efficient, Deep-Blue Doped Organic Light-Emitting Devices, M-T. Lee et al., Adv. Mater.,17, 2493–2497 (2005); DOI: 10.1002/adma.200501169.
  4. Optimizing the Charge Balance of Fluorescent Organic
    Light-Emitting Devices to Achieve High External Quantum
    Effi ciency Beyond the Conventional Upper Limit, Y-J. Pu et al., Adv. Mater., 24, 1765–1770 (2012); DOI: 10.1002/adma.201104403.

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