Recently, the research team of the Institute of Applied Technology of the Chinese Academy of Sciences' Hefei Institute of Materials Science and Technology Kong Fantai made a series of advances in photosensitizing dyes for dye sensitization of solar cells, and developed a new organic dye based on a new anchor group, Hein, based on strong absorbance and broad spectrum. The hydrazine dye efficiency is close to 11%. The relevant research results are published in international journals such as ACS Appl. Mater. & Interfaces, Phys. Chem. Chem. Phys, J. Power Sources, Adv. Funct. Mater, RSC Adv.
The ruthenium complex dye sensitizer is the earliest and most widely used sensitizer in dye-sensitized solar cells. Due to the shortcomings of narrow absorption range and weak light absorption of the dyes of traditional ruthenium complex dye sensitizers, the team members introduced electron donor antenna groups containing heterocyclic rings on the ancillary ligand (benzoxazole, methoxytriphenylamine, EDOT -Methoxytriphenylamine, etc.) Synthesis of dozens of dye-sensitizers with strong absorbance, broad spectrum spectroscopy, and ruthenium complexes. Applying these dye molecules to dye-sensitized solar cells achieves efficiencies of more than 10%, which is close to the highest level of dye-sensitized solar cells in the world.
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