Benzene is an important organic compound with the chemical formula C6H6, and its molecule consists of a ring of 6 carbon atoms, each with 1 hydrogen atom. Benzene is a sweet, flammable, colorless and transparent liquid with carcinogenic toxicity at room temperature, and has a strong aromatic odor. It is insoluble in water, easily soluble in organic solvents, and can also be used as an organic solvent itself. The ring system of benzene is called benzene ring, and the structure after removing one hydrogen atom from the benzene ring is called phenyl. Benzene is one of the most important basic organic chemical raw materials. Many important chemical intermediates can be derived from benzene through substitution reaction, addition reaction and benzene ring cleavage reaction.
Dye-Sensitized Solar Cells (DSSCs) use photosensitizers adsorbed on the surface of nanocrystalline mesoporous titanium dioxide (TiO2) films, as well as electrolytes or solid charge-transporting materials, to convert light into electricity. They have many functions, including transparency, multicolor, and low-cost fabrication, and are deployed in glass facades, skylights, and greenhouses. Sensitizers are the key to DSSCs, which drive the operation of the entire cell by continuously absorbing light to generate a flow of electrons. Each sensitizer has its corresponding absorption spectrum distribution. To improve the matching of the absorption spectrum of the sensitizer with the solar spectrum, co-sensitization of multiple sensitizers is sometimes required to improve the conversion efficiency of solar cells.
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