PhthalocyaninePraseodymium Photovoltaics Polyvinylidene_fluoride atomic_steps LogAmplifier Phthalocyanine C36H74 Pinpoint PFM IRDetector PVA graphene_hybrid Chemical Vapor Deposition EFMAmplitude Tungsten semifluorinated alkane SurfaceOxidation BiasMode ScanningKelvinProbeMicroscopy MagneticForce Adhesion FAPbI3 PS_LDPE PolyvinylAcetate PhaseTransition ScanningTunnelingMicroscopy Temperature AlkaneFilm contact MetalCompound P3HT Composition Heat Beads INSP ScratchMode