Figure 5 | Scientific Reports

Figure 5

From: Enhanced Charge Separation and FRET at Heterojunctions between Semiconductor Nanoparticles and Conducting Polymer Nanofibers for Efficient Solar Light Harvesting

Figure 5

FRET study between PDPB nanofibers and ZnO nanoparticles (5 nm).

(a) Room temperature PL spectra of ZnO NPs (green) and PDPB-ZnO LHNH (blue) are shown. The excitation wavelength was at 320 nm. The broad emission band is composed of two components, P1 (500 nm) and P2 (555 nm). Inset shows the absorption spectrum of ZnO NPs (~5 nm). (b) Shows the overlap of the ZnO NP emission and PDPB absorption. Inset shows the HRTEM image of in situ synthesized ZnO NPs (~5 nm) on PDPB nanofibers. The picosecond-resolved fluorescence transients of ZnO NPs (excitation at 375 nm) in the absence (green) and in the presence of PDPB (blue) collected at (c) 500 nm and (d) 555 nm are shown.

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