Nanostructured designs, utilized for crystalline silicon(c-Si) solar cells, have been shown to achieve broadband light absorption enhancement as compared to flat cells [1][2]. Such absorption enhancement can be directly expressed as the increase of the photocurrent. However, in order to understand how nanostructuring influences the efficiency, one would also need to evaluate how the voltage is affected. Especially, a major concern with nanostructured solar cells is that the nanostructuring introduces more surface area, which causes losses. Therefore, combining optical and electrical analyses is becoming important in nanostructured solar cell design in order to evaluate the performance.

© 2015 IEEE

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