Fig. 1.

Electrophoresis deposition of graphene oxide on PSSHF. a Schematic of GO electrophoresis deposition on PSSHF with a circular electric field, b current variation with fixed DC voltages of V _WE–V _CE in the GO electrophoresis deposition, c CV curves of GO on the glass-carbon electrode at room temperature and d time dependence of voltages V _WE–V _CE and V _CE in the three-electrode system for GO deposition with a V _WE of 3.2 V