Chad Snyder - Effect of Regioregularity on the Semicrystalline Structure of Poly(3-hexylthiophene)

Document created by Chad Snyder on Aug 22, 2014Last modified by Chad Snyder on Aug 28, 2014
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  Publication Details (including relevant citation   information):

  C.R. Snyder, J.S. Henry and D.M. DeLongchamp, Macromolecules   44, 7088-7091 (2011).


  This paper outlines the effect of   regiodefects in poly(3-hexylthiophene-2,5-diyl) (P3HT) on the   semicrystalline microstructure, i.e., lamellar thickness and   distribution, through

  validation of Flory's theoretical framework. The approach is   based on equilibrium copolymer theory, where P3HT is treated as a   copolymer of crystallizing head-tail couplings and   non-crystallizing head-head couplings (regiodefects). The   agreement between the predictions of equilibrium copolymer theory   and experimental results are demonstrated for P3HTs of controlled   regioregularity. As a result, the degree of regioregularity must   be reported for any imperfectly regioregular semiconducting   polymer because of its strong effect on morphology and to ensure   meaningful comparison between studies.

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