solar_cell PolymerBlend semifluorinated_alkane Crystal Solution Mobile HiVacuum ScanningTunnelingMicroscopy DeoxyribonucleicAcid LeakageCurrent Conductive AFM TiO2 amplitude_modulation Pvdf thermoplastic_elastomers I-VSpectroscopy graphene_hybrid 3-hexylthiophene Annealing SingleCrystal Fe_film P3HT BaTiO3 TungstenThinFilmDeposition Molybdenum_disulfide University_of_Regensburg Piranha FrictionForce Lattice SingleLayer SThM chemical_compound TipBiasMode MultiferroicMaterials TappingMode