Floppy BiVO4 Tape PatternedSapphireSubstrat NUS_NNI_Nanocore WPlug Scratch LateralForceMicroscopy ThermalDetectors kelvin probe force microscopy Sapphire Hole CastIron DOE Pinpoint PFM cross section LiquidCell Bmp Pores LeakageCurrent 3-hexylthiophene YttriaStabilizedZirconia ContactMode Electronics high_resolution CompactDisk Wonseok molecular_self_assembly Adhesion CHRYSALIS_INC Zhi MagneticArray NUS CopperFoil Worcester_Polytechnic_Institute