INSP Polypropylene H-BN polymeric_arrays PVAP3HT Formamidinium_lead_iodide Conduct BiasMode Optoelectonics Growth piezoelectric force microscopy Grain Polyvinylidene_fluoride GlassTemperature Platinum SiliconOxide StyreneBeads Praseodymium StrontiumTitanate 2dMaterials Annealing LightEmiting I-VSpectroscopy ScanningKelvinProbeMicroscopy CHRYSALIS_INC graphene_hybrid Dopped ring shape fifber Singapore MagneticArray semifluorinated alkane PhthalocyaninePraseodymium Ito PVA