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-
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]
ITO/MEH-PPV/TPBI doped by 10 wt % Cs2CO3/Cs2CO3/Ca/Al [9]
Colour
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
Literature and Reviews
Photoinduced electron-transfer from a conducting polymer to buckminsterfullerene, N. Sariciftci et al., Science, 258, 1474–1476 (1992).
Semiconducting polymer—buckminsterfullerene heterojunctions—diodes, photodiodes and photovoltaic cells, N. Sariciftci et al., Appl. Phys. Lett., 62, 585–587 (1993).
High-efficiency inverted top-emitting polymer light-emitting diodes, L. Hou et al., Appl. Phys. Lett., 87, 153509 (2005); doi: 10.1063/1.2099528 .
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.
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.
Achieving High-Efficiency Polymer White-Light-Emitting Devices, J. Huang et al., Adv. Mater., 18, 114–117 (2006); DOI: 10.1002/adma.20050110.
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.
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 .
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.