Fig. 4From: Secondary-Transferring Graphene Electrode for Stable FOLEDa Histogram and spatial distribution of sheet resistance of the SLG samples on HRA/PET and NOA63 (size 20 mm × 20 mm). b Transmittance of SLG, SLG/HRA/PET, and SLG/NOA63 in visible region; the thickness of HRA/PET and NOA63 are both about 150 μmBack to article page