Abstract
Abstract The preparation of TiO2 films using nanopowder synthesized by flat-flame chemical vapor condensation method, as the anodes of dye-sensitized solar cells (DSSCs), is investigated. The solar cell efficiency of the cell with anode made of the mixture of the synthesized nanopowder and the commercial submicron-sized powder is above 2.5%. The cells have characteristic current density–voltage curves with fill factor typically around 75%. The highest efficiency of above 2.5% occurs at nano/submicron powder mix ratio of 1:2. A potentially >8% efficiency is projected for the DSSCs when the anodes are made solely of the synthesized nanopowder. The synthesized nanopowder is proven excellent on dye absorption.
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