Abstract
Because of their wide applications, the polymer porous films with regular patterned structure have attracted more and more attention. Herein, the porous films created from the poly(p-phenylene)s/CHCl3 solutions have been self-assembled in an alcohol-water mixed vapor atmosphere. The results show that the patterns of the films depend on the polymer concentration and the ratio of alcohols to water. The introduction of a small amount of alcohols can improve the regular pore patterns of the porous films. Using the mixed water/methanol droplets as soft templates, the ordered porous films can be obtained from a high-concentration polymer solution. The low-concentration polymer solution and a high ratio of alcohol to water lead to form large pores in the films. The alcohol-controlled breath figure method is a facile way to design and fabricate ordered porous films based on a conjugated polymer.
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