Equilibrium and Nonequilibrium Nanoscale Ordering of Polystyrene-b-poly(N,N′-diethylaminoethyl methacrylate), a Block Copolymer Carrying Tertiary Amine Functional Groups

Figure 7

AFM topographic images obtained using the intermittent contact mode of PSt_60%-b-PDEAEM_40% thin films prepared from a 1% w/w toluene solution over mica substrate at a spinning velocity of 5000 rpm: (a) directly after spin coating (25°C) and after annealing in a toluene vapor chamber (760 torr, 25°C) for (b) 24 h, (c) 36 h, and (d) 80 h.

(a)

(b)

(c)

(d)