alkanes OrganicCompound Sphere Electrode PvdfFilm Co/Cr/Pt Display Water Polyvinylidene_fluoride Photovoltaics Conducting ScratchMode single_layer Ferrite heterojunctions self-assembly Sperm PolyStylene Conductivity Sio2 Piezoresponse HexacontaneFilm ImideMonomer Corrosion Sidewall Scanning_Thermal_Microscopy self_healing Pores margarine ChemicalCompound NtuEee ItoGlass MfmPhase Modulus molecular_self_assembly