Photovoltaics PetruPoni IIT-chennai lift_mode Topography CalciumHydroxide Grain Subhajjit PhaseTransition TungstenDeposition ForceVolumeImage Vinylpyridine MfmAmplitude Friction FAPbI3 Molybdenum_disulfide Polydimethylsiloxane Nickel AtomicLayer SFAs fluoroalkane GlassTemp Etch Pattern Anneal FrequencyModulation sputter Force-distance oxide_layer Jason solar_cell StrontiuTitanate Conductive AFM SKPM Wang