Control on β conformation of poly(9,9-di-n-octylfluorene) via solvent annealing
Chao Zhang Zhi1, Yue Zhang Bing1, Yan Weng Yu1, 2, †, Hui Zhang Tian1, ‡
       

The AFM images of self-dopant PFO films immersed into the solutions of different ratios of solvent/nonsolvent ((a)–(c) 0.5:1, (d)–(f) 1:1, (g)–(i) 2:1) at different temperatures ((a), (d), (g) 30 °C; (b), (e), (h) 40 °C; (c), (f), (i) 50 °C). The scale bars are 500 nm.