molecules Fluoride blended polymers Vinylpyridine Perovskite OxideLayer semifluorinated_alkane single_layer MembraneFilter Vortex Vanadate Fendb H-BN Ptfe hetero_structure MechanicalProperties Wonseok domain_switching ChemicalCompound HexagonalBoronNitride PyroelectricDetector Lattice PMNPT AlkaneFilm FFM Jason PatternedSapphireSubstrat Polarization Singapore rubber thermoplastic_elastomers Metal-organicComplex fluoroaalkane Thermal Oxidation