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Inking Elastomeric Stamps with Micro-Patterned, Single Layer Graphene to Create High-Performance OFETs



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Pattern array of CVD-grown single layer graphene (SLG) is demonstrated by using micro-patterned PDMS stamp. These ultrathin SLG electrodes can use as the source and drain for organic field effect transistors. The devices have high hole mobilities exceeding 10 cm2/Vs, high on-off current ratios larger than 107 and a low threshold voltage for switching.