Fig. 9From: Effect of Confinement on Photophysical Properties of P3HT Chains in PMMA MatrixPL emission spectra (λexc = 468 nm) of P3HT solution (0.01 wt%) in CB: a before (red) and after (green) mixing with solution of PMMA (5.4 wt%), PL spectrum of PMMA is given as well; b upon addition of PMMA powder to the neat P3HT solution (red) followed by successive treatment of the cuvette in an ultrasound bath and gradual dissolution of PMMA to ~ 3.25 wt%Back to article page