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Synthesis of Organic Dyes for Dye-sensitized Solar Cells

Solar radiation is the most abundant energy source of our planet, and especially at this region of the world we are bathed with sunshine. therefor, efficient and affordable conversion of sunlight into electricity is attracting growing attention. among the technologies developed in this line, Dye Sensitized solar Cells (DSCs) are considered to be promising and cheap alternative for the inorganic based cells.

Our current research is focused on the synthesis of aromatic donor-acceptor molecules as components for DSCs. The perylene dyes are known to be good electron acceptors and exhibit high fluorescence quantum yields, high photostability and thermal stability and chemical inertness. Extensive studies on this class of compounds revealed that properties like solubility and aggregation of the dyes can be controled with the substitutions at the imide positions and electronic properties by the modification of the core.Therefor, (1) is an ideal tunable structure for applications in DSCs.