Tin disulfide Current FAPbI3 DIWafer pulsed_laser_deposition NUS_NNI_Nanocore Scanning_Thermal_Microscopy Steps FrequencyModulation biocompatible NTU TriGlycineSulphate Aluminum CVD PS_LDPE Conductance Pipette University_of_Regensburg SurfaceChange PvdfFilm SrO TappingMode SingleLayer PatternedSapphireSubstrat ThermalConductivity ConductiveAFM Optoelectronic TemperatureControllerStage Pinpoint AnodizedAluminumOxide IISCBangalore vertical_PFM Calcite norganic self_healing