Figure 3From: Controlling the morphological, structural, and optical properties of one-dimensional PCDTBT nanotubes by template wettingFESEM images of PCDTBT nanotubes of (a) 2 h and (b) 24 h of immersion time. HRTEM images of PCDTBT nanotubes of (c) 2 h and (d) 24 h of immersion time. Circles in red show the convex meniscuses.Back to article page