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Table 1 Summary of graphene transfer methods

From: Interface engineering for high performance graphene electronic devices

  Graphene/metal separation Graphene delivery to target substrate Graphene isolation (its supporting layer) Degree of freedom Renewability of metal substrate Origin of graphene defects c References
Conventional polymer-assisted, wet transfer Metal etching Water-mediated scooping O (PMMA) High X Metal etching process [36-39]
Electrochemical delamination/transfer Electrochemical delamination by H2 bubbles Water-mediated scooping O (PMMA) High O H2 bubbles [44-49,52]
Adhesive-assisted dry transfer Mechanical delamination by adhesive Direct transfera X (NA)b Very low O Incomplete delamination [53,54]
Dry transfer with MET process Mechanical delamination by MET process Direct transfera X (NA)b Low O Incomplete delamination [55]
Transfer printing via direct delamination Mechanical delamination by pre-treatment Stamp-mediated printing O (PVA) High O Incomplete delamination [56]
  1. aDelamination and transfer of graphene occur simultaneously. bSupporting layer is not applicable. cDefects include damage or contamination of transferred graphene.