Treatment Pores PMNPT graphene_hybrid solar_cell Organic IndiumTinOxide Singapore LifeScience blended polymers SmallScan SingleLayer SiliconeOxide NeodymiumMagnets tip_bias_mode P3HT mfm_amplitude MolybdenumDisulfide lift_mode neodymium_magnets PvdfBead optoelectronics Phthalocyanine LiBattery fe_nd_b Epoxy Tungsten Ram Zagreb Ucl EPFL Conducting 2-vinylpyridine heterojunctions PolymerBlend