Sadowski Composite Pvdf Boron PpLdpe Regensburg self_healing self-assembled_monolayer InorganicCompound OpticalWaveguides Temasek_Lab Leakage 2d_materials MembraneFilter Tungsten Permalloy KPFM SiliconOxide ito_film Foil Floppy Phenanthrene Butterfly Tin disulfide mechanical_property DentalProsthesis lithography Aggregated_molecules SelfAssembly INSP LowDensityPolyethylene YszSubstrate Workfunction molecular_beam EPFL