Influence of SWNTs on the Preferential Alignment of Molecular Moieties in PVA Fibers

The alignment of electron‐donating moieties in SWNT‐embedded PVA fibers is characterized using infrared dichroism and polarized Raman spectroscopy. The SWNT alignment is found to influence the preferential alignment of PVA functional groups and solvent molecules with respect to the fiber axis. Furthermore, the fraction of oriented functional moieties depends more on the SWNT alignment than on the PVA chain orientation. Charge transfer between functional moieties and SWNTs results in molecular adhesion between the SWNTs and interacting groups, as confirmed by DFT calculations.