Fig. 5From: Photoluminescence Quenching and Enhanced Optical Conductivity of P3HT-Derived Ho3+-Doped ZnO Nanostructures72 × 80 μm2 laser confocal optical and 3D micrographs of (left panel a, c) pristine P3HT and (right panel b, d) P3HT-ZnO:Ho3+ (1:1) filmsBack to article page