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5,10,15,20-Tetrakis(p-tolyl)porphyrin (TTP) is an organic compound classified within the porphyrin family, characterized by a cyclic structure formed from four pyrrole rings. TTP is a synthetic porphyrin commonly employed as a sensitizer in dye-sensitized solar cells and as a catalyst in various organic reactions. Owing to its unique structure, TTP exhibits a range of intriguing properties, including specific wavelength absorption and potential as a catalyst for different chemical reactions. In dye-sensitized solar cells, TTP aids in converting sunlight into electrical energy by absorbing photons and transferring electrons to the device's semiconductor layer. In organic chemistry, TTP is frequently utilized as a catalyst for reactions such as oxidation and reduction, selectively binding to certain substrates, making it a valuable tool for synthesizing complex molecules and studying their properties.