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Device architecture of the BHJ polymer solar cell incorporating with Au NPs between PEDOT:PSS layer and ITO substrate.
AFM images of Au NPs with the diameter of (a) 20, (b) 40, and (c) 60 nm on ITO substrates; (d) AFM image of 40 nm Au NPs after coating a 35 nm thick PEDOT:PSS layer; (e) The height profile of the lines drawn in Figs. 2(b) and 2(d); (f) the absorption spectra of Au NPs with different diameters in aqueous.
(a) J-V characteristics of the plasmonic solar cells with Au NPs of different sizes and the reference device; (b) EQE spectra of the corresponding devices.
(a) Absorption spectra of the ITO/(Au)/PEDOT:PSS/P3HT films without and with Au NPs of different sizes; (b) Absorption increase (ΔAbs) after incorporating with 40 nm Au NPs and the absorption spectra of 40 nm Au NPs on silica substrates.
Device performances for the plasmonic solar cells with different diameters of Au NPs and the reference device.
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