Pattern formation and ordering in thin films of crystallisable block copolymers
Günter Reiter, Gilles Castelein, Jens-Uwe Sommer. Macromol. Symp. 183, 173–178 (2002)
Abstract
We show that tapping-mode atomic force microscopy provides real-space and time-resolved observations of morphology and pattern formation resulting from crystallisation of annealed thin films of polyethyleneoxide or microphase-separated low-molecular-weight hydrogenated poly(butadiene-b-ethyleneoxide) diblock copolymers, Differences in viscoelastic properties allow distinguishing crystalline and molten (amorphous) areas with a nanometer resolution.