The document discusses dye sensitized solar cells (DSSCs) and describes methods to improve their efficiency through controlling the morphology of the TiO2 electrodes. It summarizes a study that demonstrated tuning the pore size of mesoporous TiO2 thin film electrodes from 6-50 nm using chemical modification techniques. This allowed for higher dye adsorption and electron transport, improving the energy conversion efficiency of DSSCs. The document also reports methods to synthesize ordered mesoporous TiO2 thin films using templates and discusses their characterization and potential use in DSSCs.