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Figure 5.7Figure 5.8Figure A.1Figure A.2Structure factor in the x (top) and y(bottom) direction for the wetting layerC (left) and the liquid THF close tothe surface L ′ (right). 68Work of separation for C/L ′ (black)and L/L (red) cases. The y axis is normalizedwith respect to γ L/L . 69Bonding (top left), angular (top right)and dihedral (bottom) interaction betweentwo, three and four atoms. 78Example of Lennard-Jones type potentialfor two atoms. 79L I S T O F TA B L E STable 2.1Interdigitation distance in a P3HT bulkdepending on the number of s- and h-foils. 27xvii