Modeling of nanoscale morphology of regioregular poly(3-hexylthiophene) on a ZnO (1010) surface.
We report detailed ab initio calculations of poly(3-hexylthiophene) (P3HT) on top of a ZnO (1010) surface. We studied different absorption sites and orientations. We found that the P3HT chain prefers to lay along the dimer row direction of the ZnO surface. We also found strong coupling between the P3HT molecule and the ZnO substrate in the conduction band states, while minimum coupling in the valence band states.
Scientific Computing Group, Computational Research Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA. sdag@lbl.gov
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