MEH-PPV

Order Code: M541
MSDS sheet

Price

(excluding Taxes)

£148.00


General Information

CAS number 138184-36-8
Chemical formula (C18H28O2)n
Molecular weight Mw = 372,942, Mn = 72,485 (PD = 5.15)
Absorption λmax 493 nm in toluene
Fluorescence λem 554 nm in toluene
HOMO/LUMO HOMO 5.3 eV, LUMO 3.0 eV
Synonyms Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene]
Solubility Toluene or chlorobenzene
Classification / Family PPV derivatives, Hole-injection layer materials, Hole transport layer materials; Polymer light-emitting diodes (OLEDs), Organic photovoltaics (OPVs), Organic electronics

Product Details

Purity  >99%
Thermogravimetric Analysis (TGA) 371 °C (5% weight loss)
Colour Red fibers

Chemical Structure

chemical structure of MEH-PPV
Chemical Structure of MEH-PPV, Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene]; CAS No. 138184-36-8; Chemical Formula (C18H28O2)n.

Applications

Poly[2-methoxy-5-(2’-ethylhexyloxy)-1,4- phenylene vinylene] (MEH-PPV) is a PPV derivative that is particularly favourable for device fabrication due to its great solubility in most of the common organic solvents owing to its asymmetric side chains. To date, MEH-PPV is possibly one of the most celebrated and studied polymer semiconductors, recognising its applications in OPV, OFETs, polymer light-emitting diodes (PLED) and perovskite solar cells.

The first example of a polymer solar cell with a convincing understanding of the physics and chemistry involved was the bilayer heterojunction cell utilising the soluble polymer MEH-PPV and the Buckminsterfullerene C60 where a power conversion efficiency of 0.04% was obtained using monochromatic light.[1, 2]

Device structure ITO/Al/PFNBrBTDZ05*/MEH-PPV/Au [3]                                                   
Colour Orange-Red orange-red
Max. EQE  2.71%
Max. Current Efficiency 1.6 cd/A
Device structure ITO/PEDOT:PSS/PPF-3,7SO10* (100 wt%):P-PPV (0.8 wt%): MEH–PPV (0.5 wt%)/Ba/Al [4]                      
Colour White white
Max. EQE 6.9%
Max. Current Efficiency 14.0 cd/A
Max. Power Efficiency 7.6 lm W1
Device structure ITO/CFx/MEH-PPV/Ca/Al, ca [5]
Colour Orange-Red orange-red
Max. Luminance 24,000 cd/m2
Max. Current Efficiency 5.1 cd/A
Device structure ITO /PEDOT:PSS/PFO:0.25 wt% MEH-PPV/Cs2CO3/Al [6]
Colour White white
Max. EQE             6%
Max. Current Efficiency 11.2 cd/A
Max. Power Efficiency 16 lm W1
Device structure ITO/PEDOT/PVK:polyTPD (1:1 wt%) 50 nm/PFO:MEH-PPV*(95.5:0.5 wt%) 70 nm/Ca/Al [7]                  
Colour White white
Max. Luminance ~ 5,000 cd/m2
Max. Current Efficiency 3.15 cd/A
Device structure ITO/PEDOT (30 nm)/ poly-TPD(40 nm)/ DNA-CTMA*(20 nm)/ PFO:MEH-PPV (70 nm)/Cs2CO3(1 – 2 nm)/Al [8]
Colour White white
Max. Luminance 10,500 cd/m2
Max. Current Efficiency 10 cd/A
Device structure ITO/MEH-PPV/TPBI doped by 10 wt % Cs2CO3/Cs2CO3/Ca/Al [9]
Colour Orange-Red orange-red
Max. EQE 2.2%
Max. Luminance 62,000 cd/m2
Max. Current Efficiency 5.7 cd/A

*For chemical structure informations please refer to the cited references.

Characterisation (HPLC)

MEH-PPV, Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene], 138184-36-8

HPLC trace of MEH-PPV, Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene]

Literature and Reviews

  1. Photoinduced electron-transfer from a conducting polymer to buckminsterfullerene, N. Sariciftci et al., Science, 258, 1474–1476 (1992).
  2. Semiconducting polymer—buckminsterfullerene heterojunctions—diodes, photodiodes and photovoltaic cells, N. Sariciftci et al., Appl. Phys. Lett., 62, 585–587 (1993).
  3. High-efficiency inverted top-emitting polymer light-emitting diodes, L. Hou et al., Appl. Phys. Lett., 87, 153509 (2005); doi: 10.1063/1.2099528 .
  4. High-efficiency and good color quality white light-emitting devices based on polymer blend, J. Zou et al., Org. Electronics, 10, 843–848 ((2009), doi:10.1016/j.orgel.2009.04.007.
  5. High-efficiency polymer light-emitting diodes based on poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylene vinylene] with plasma-polymerized CHF3-modified indium tin oxide as an anode, C-C. Hsiao et al., Appl. Phys. Lett. 88, 033512 (2006); http://dx.doi.org/10.1063/1.2165192.
  6. Achieving High-Efficiency Polymer White-Light-Emitting Devices, J. Huang et al., Adv. Mater., 18, 114–117 (2006); DOI: 10.1002/adma.20050110.
  7. Enhanced performance of white polymer light-emitting diodes using polymer blends as hole-transporting layers, Q. Sun et al., Appl. Phys. Lett. 89, 153501 (2006); http://dx.doi.org/10.1063/1.2360248.
  8. Multilayer white polymer light-emitting diodes with deoxyribonucleic acid-cetyltrimetylammonium complex as a hole-transporting/electronblocking, Q.Sun et al., Appl. Phys. Lett. 92, 251108 (2008); doi: 10.1063/1.2948864 .
  9. Design of hole blocking layer with electron transport channels for high performance polymer light-emitting diode, C-C. Hsiao et al., Adv. Mater., 20, 1982–1988 (2008); DOI:10.1002/adma.200702150.