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Gravure Printing
Polymer Solar Cells (organic photovoltaic, OPV)
Printing
press cylinder
substrate
doctor
print
blade
cylinder
ink tank
SubstrateITO on PET
Efficiency 2.8% (under averaged AM1.5)
Photo-sensitive layer P3HT and
(6,6)-phenyl-C -butyric acid methyl ester (PCBM)
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