Fig. 3From: Biocompatible/Degradable Silk Fibroin:Poly(Vinyl Alcohol)-Blended Dielectric Layer Towards High-Performance Organic Field-Effect TransistorAFM topography images along with the cross sections of pure SF (a), SF:PVA = 21:5 (b), and SF:PVA = 7:5 (c), respectively (5 μm × 5 μm). AFM images of the pentacene films grown on pure SF (d), SF:PVA = 21:5 (e), and pure PVA (f) dielectric layer (3 μm × 3 μm)Back to article page