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. 2019 Aug 20;20(1):870–875. doi: 10.1080/14686996.2019.1653741

Figure 2.

Figure 2.

(a) Schematic of the preparation of graphene-based ink, blade printing and transfer of graphene antenna. (b) Photo of prepared graphene ink. (c) Photo of printed graphene layer on water-transferable paper. (d) Scanning electron microscopy image of printed graphene layer.