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Raman spectra obtained from imprinted nanocomposites pillars of (a) PS and (b) PVDF and their composites (bottom part in each case). (c) Schematic view of confocal arrangement to obtain selectively spectral data from the pillars’ top at the focal point by blocking scattering light arising from bulk region. (d) SEM image of a fractured PS-CNT pillar substrate showing infiltrated carbon nanotubes into the pillars.
