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We demonstrate an efficient approach to realize broadband light trapping in organic solar cells (OSCs) by integrating two-dimensional dual periodic corrugations. The dual-periodic corrugations consist of two set different periodic gratings, and have the effect to excite the surface plasmon-polariton (SPP) resonance associated with the cathode/organic interface in broadband wavelength region by adjusting...
Recently optical Tamm states at metal/photonic crystals interface have been applied in thin-film organic solar cells (OSCs) as a new light trapping scheme for photon absorption enhancement. In this work, we theoretically investigate this scheme thoroughly to optimize the absorption performance for such optical Tamm states based OSCs (OTS–OSCs). We find that the overall absorptivity of the OTS–OSCs...
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