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Supplementary information for Enhanced organic solar cell performance: Multiple surface plasmon resonance and incorporation of silver nanodisks into a grating-structure electrode |
Schematic of organic solar cell devices.
UV-visible absorption spectra of Ag NSs and AgNDs in solutions.
J–V curves of the device systems.
J–V curves of the devices incorporated with (a) different Ag NDs in the PEDOT:PSS layer and (b) different Ag NDs in the PEDOT:PSS layer and grating-imprinted Al electrode.
SPR reflectivity curves of the solar cells with p-polarization at various incidence angles from 20° to 70° for a (a) flat Al electrode, (b) grating Al electrode, (c) PEDOT:PSS incorporated with Ag NDs, and (d) PEDOT:PSS incorporated with Ag NDs and the grating Al electrode.
Nyquist plots of the devices: (a) incorporated with Ag NDs with different LSPR peaks and (b) incorporated with Ag NDs with different LSPR peaks and imprinted Al grating. Bode phase plots: (c) corresponding to (a), and (d) corresponding to (b).
Schematic of the simulated structures (a) and electric-field intensity maps of OSCs with Ag NSs (diameter of 6 nm) and Ag NDs (diameter of 30, 40, 50, and 70 nm and a thickness of 15 nm) in the PEDOT:PSS layer at illumination wavelengths of (b) 400 nm, (c) 500 nm, (d) 600 nm, and (e) 700 nm.