NusEce ito_film Vinylpyridine Corrosion Magnetic Force Microscopy Pipette ScanningThermalMicroscopy Graphene SKPM KPFM Film BCZT SurfaceChange kelvin probe force microscopy ConductingPolymer BTO NTU HBN India Yeditepe_University Pvdf nanobar Polyimide MechanicalProperties molecules Phthalocyanine PinpointPFM DIWafer ContactMode MoS2 Self-assembledMonolayer Butterfly PANI UnivMaryland Ecoli