Uni-President Enterprises has been granted a patent for a small-molecule electron donor material with an electron-deficient heterocyclic core for use in solar cells. The material features a unique A-D-A’-D-A skeleton structure, providing a new approach to organic solar cell technology. GlobalData’s report on Uni-President Enterprises gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Uni-President Enterprises, Cancer treatment biomarkers was a key innovation area identified from patents. Uni-President Enterprises's grant share as of February 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Small-molecule electron donor material with heterocyclic core for solar cells
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A recently granted patent (Publication Number: US11917911B2) discloses a small-molecule electron donor material with an electron-deficient heterocyclic core, as outlined in formula (I). This material is designed for use in an active layer material for photovoltaic devices, where it can be combined with an electron acceptor material such as PC71BM, Y6, BTP-eC9-4F, CH1007, IDIC, or N3. The patent also details a method for preparing this small-molecule electron donor material, involving a series of specific reactions and conditions. For instance, the method includes mixing raw materials like dialdehyde compound and dicyanoethyl rhodanine, and carrying out reactions under controlled temperatures and durations to obtain the desired product.
Furthermore, the patent provides detailed steps for the preparation method, including specific ratios of reactants, catalysts, solvents, and reaction conditions. For example, the method involves mixing dibromo electron-deficient heterocyclic unit, solvent, octylthiophene tin reagent, and catalyst to obtain a compound, followed by subsequent reactions to produce the final small-molecule electron donor material. The patent outlines precise conditions for each step, such as temperature ranges, reaction durations, and specific solvents to be used. By following these detailed steps, the patent aims to enable the efficient and reproducible synthesis of the small-molecule electron donor material with an electron-deficient heterocyclic core, which can find applications in photovoltaic devices for enhanced performance.
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