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Fig. 1 | Nano Convergence

Fig. 1

From: Chemical and biological sensors based on defect-engineered graphene mesh field-effect transistors

Fig. 1

a, b Schematic illustrations of (a) graphene patterning by nanosphere lithography and (b) direct synthesis of graphene mesh by a silica-assisted CVD. c, d Graphene contamination from residual polymers after lithography processes. eg SEM images of directly grown graphene meshes having various hole dimensions. c Adapted with permission from Ref. [43], © American Chemical Society. d Adapted with permission from Ref. [44], © Elsevier. eg Reproduced with permission from Ref. [30], © American Chemical Society

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