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Figure 4 | Nanoscale Research Letters

Figure 4

From: Enhancing the light absorbance of polymer solar cells by introducing pulsed laser-deposited CuIn0.8Ga0.2Se2 nanoparticles

Figure 4

Schematic of LSPR light trapping, UV-vis absorption spectra, and PL spectra. (a) Schematic of LSPR light trapping for a hybrid system of ITO/CIGS/P3HT:PCBM in which the CIGS nanoparticles are embedded between the ITO substrate and P3HT:PCBM photoactive layer. (b) The UV-vis absorption spectra of ITO/CIGS, ITO/P3HT:PCBM, and ITO/CIGS/P3HT:PCBM. (c) The PL spectra of ITO/P3HT:PCBM and ITO/CIGS/P3HT:PCBM.

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