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Nanostructured aerogels are potential candidates for photoanodes in dye sensitized solar cells (DSSCs). Recent studies show that solid state DSSC with titania aerogel photoanodes exhibit conversion efficiency of 5.2%. This is mainly attributed to the high short-circuit current density achieved by more dye adsorption and reduced recombination of charge carriers. In this paper we have attempted to develop a simulation based on a theoretical model to understand the performance of aerogel based DSSC. The theoretical results obtained are compared with the experimental results. The results generated by the theoretical model agree well with the results obtained experimentally.