Description  Claims  Drawing  Cited references 

US9023220B2   [0002]  [0039] 
US20130196463A1   [0003]  [0004] 
US20130018599A1   [0003] 
CN104192833A   [0006] 
CN105621401A   [0011] 

Frame assisted H2O electrolysis induced H2 bubbling transfer of large area graphene grown by chemical vapor deposition on Cu   [0005] 
Ultraclean transfer of CVD-grown graphene and its application to flexible organic photovoltaic cells   [0009] 
Fabrication and Electrical Properties of Stacked Graphene Monolayers   [0010]  [0043]  [0057]  [0057]  [0058]  [0059]