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Photovoltaic devices are contemplated where TCO layers of the device are provided with a distribution of resonant coupling periodicities ΛR while the glass substrate of the device is provided with a distribution of diffusive coupling periodicities ΛD. The respective surface textures defining these periods are superimposed at an interface with the photoelectric conversion layer and collectively define a frequency-dependent power spectral density inversion in the device. Additional embodiments are disclosed and contemplated.