Hysteresys Formamidinium_lead_iodide PtfeFilter mechanical property Aggregated_molecules Trench Forevision BFO Polymer OrganicSemiconductor self_healing PtfeMembrane Temasek_Lab GlassTemperature ElectrostaticForceMicroscopy thermal_property OrganicCompound Array Water Jason cooling ForceDistanceSpectroscopy InorganicCompound Photovoltaics Sphere atomic_layer FuelCell Moire Treatment Nanostructure Sio2 TPU Tapping self-assembled_monolayer 2dMaterials