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Table 1 Performance of devices with different films as hole injecting layer

From: Ordered and ultrathin reduced graphene oxide LB films as hole injection layers for organic light-emitting diode

Device Driving voltage (V) for 100 mA/cm2 Max luminance (cd/m2, 12 V) Luminance efficiency (cd/A, 12 V)
PEDOT:PSS spin-coating film 11.7 4,435 2.9
GO spin-coating film 12.1 2,253 1.9
RGO spin-coating film 11.4 4,107 3.0
RGO LB film 9.6 6,232 3.8