Fluoroalkyl substituted polythiophenes

Li, L. Collard, D.M. Tuning the electronic structure of conjugated polymers with fluoroalkyl substitution alternating alkyl/perfluoroalkyl-substituted polythiophene. Macromolecules 2005, 38, 372-378. 

FIGURE 17.13 Example of x-ray diffraction profile from an alternating alkyl/fluoroalkyl- and alkyl/perfluoralkyl-substituted polythiophenes. The specific side chains are (CH2)5(CF2)CF3 alternating with (CFl2)8CH3. Here, the polythiophene self-assembles into a bilayer repeat. (Adapted from Dong, X.M. and Collard, D.M., Macromolecules, 33, 6916, 2000. With permission.)... 

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