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We analyze the effect of masking on the conversion efficiency of dye sensitized solar cells (DSC) by comparing the photovoltaic performance of the device subjected to light from a solar simulator for a variety of mask sizes. The aperture size of the mask had a significant effect on the energy conversion efficiency, which varied by as much as 36%. We identify factors that contribute to measurement errors and propose optimal conditions for the characterization of DSC's of small size. Copyright © 2006 John Wiley & Sons, Ltd.
Ito et al. (2006) studied this question.