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546461

Sigma-Aldrich

MDMO-PPV

light-emitting polymer

Synonym(s):

Poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylenevinylene]

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About This Item

CAS Number:
177716-59-5
MDL number:
MFCD03458070
UNSPSC Code:
12352103
PubChem Substance ID:
24878898
NACRES:
NA.23

description

Band gap: 2.2 eV

mol wt

Mn ~120,000

solubility

toluene, xylene, THF, chloroform, chlorobenzene, cyclohexanone: soluble

fluorescence

λex 485 nm; λem 555 nm in toluene

Orbital energy

HOMO -5.4 eV 
LUMO -3.2 eV 

OPV Device Performance

ITO/PEDOT:PSS/MDMO-PPV/PC61BM/Al

  • Short-circuit current density (Jsc): 0.96 mA/cm2
  • Open-circuit voltage (Voc): 0.78 V
  • Fill Factor (FF): 0.5
  • Power Conversion Efficiency (PCE): 0.5 %

ITO/PEDOT:PSS/MDMO-PPV:PC61BM (1:4)/LiF/Al
  • Short-circuit current density (Jsc): 5.25 mA/cm2
  • Open-circuit voltage (Voc): 0.82 V
  • Fill Factor (FF): 0.61
  • Power Conversion Efficiency (PCE): 3.3 %

SMILES string

COc1ccc(OCCC(C)CCCC(C)C)cc1C=C

General description

MDMO-PPV is a dialkoxy substituted poly(p-phenylenevinylene) (PPV) based conjugating polymer which has long side chains that form flexible films for organic electronics. It is a piezoresistant polymer with HOMO and LUMO orbital positions at 5.4 and 3.4 eV, respectively. MDMO-PPV forms an active layer that can be used in photoconductive and electroluminescent applications. Its processability and film-forming properties are superior to MEH-PPV.

Application

MDMO-PPV can also be used in the fabrication of bulk heterojunction solar cells(BHJ).
MDMO-PPV can be blended with (6,6 phenyl C61- butyric acid methyl ester) (PCBM), which can be coated on indium tin oxide (ITO) to fabricate polymeric solar cells. It can also be used as a red light emitting polymer (LEP), which can be used in the fabrication of red-green-blue laser-based polymeric membranes.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Aging of a donor conjugated polymer: Photochemical studies of the degradation of poly [2-methoxy-5-(3?, 7?-dimethyloctyloxy)-1, 4-phenylenevinylene].
Chambon S, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 45(2), 317-331 (2007)
Stress-induced variation of MDMO-PPV film thickness and resistance.
Hou W, et al.
Synthetic Metals, 226(1-3), 113-118 (2017)
Barry C Thompson et al.
Angewandte Chemie (International ed. in English), 47(1), 58-77 (2007-11-29)
Fossil fuel alternatives, such as solar energy, are moving to the forefront in a variety of research fields. Polymer-based organic photovoltaic systems hold the promise for a cost-effective, lightweight solar energy conversion platform, which could benefit from simple solution processing
Influence of the solvent on the crystal structure of PCBM and the efficiency of MDMO-PPV: PCBM `plastic?solar cells
Rispens MT, et al.
Chemical Communications (Cambridge, England), 7(17), 2116-2118 (2003)
Ultrathin, highly flexible and stretchable PLEDs
Nature Photonics, 7, 811-816 (2013)
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