Praseodymium CBD Perovskite Regensburg AtomicSteps Patterns F14H20 Materials CVD organic_polymer Layer RedBloodCell Yeditepe_University SICM PANI PtfeFilter Friction SiliconCrystal SSRM Styrene Deposition ReflexLens Topography Bismuth Oxide cooling P3HT ForceVolume SicMosfet Bacterium sputter Ptfe Defect atomic_steps electrospinning