MUMBAI, India, Oct. 12 -- Intellectual Property India has published a patent application (202621032216 A) filed by Institute Of Technology, Nirma University on March 17, 2026, for W-Type Strontium Hexaferrite-Based Photoanode For Natural Dye-Sensitized Solar Cell And Method Of Preparation Thereof.
Inventors include Dr. Neha Patni; Dr. Chetna Chauhan; Mr. Bhavesh Motwani; Mr. Jethwa Abhishek; and Mr. Ramdati Khushalgiri.
The application for the patent was published on October 09, 2026, under issue no. 41/2026.
Abstract: ABSTRACT W-TYPE STRONTIUM HEXAFERRITE-BASED PHOTOANODE FOR NATURAL DYE-SENSITIZED SOLAR CELL AND METHOD OF PREPARATION THEREOF The present invention relates to a W-type strontium hexaferrite-based photoanode for a natural dye-sensitized solar cell (DSSC) and its method of preparation. The DSSC comprises a working electrode (100), a counter electrode (200), and an inorganic-organic blended electrolyte layer (300). The working electrode (100) acting as photoanode includes an AZO-coated glass plate (101), a TiO2 nanoparticle layer (102), a W-type strontium hexaferrite composite layer (103), and a natural dye sensitizer layer (104) made from 1:1:1 volume ratio blend of Punica granatum grains, Selenicereus undatus fruit, and Murraya koenigii leaves, coated over the hexaferrite layer (103). The counter electrode (200) features a carbon-based graphite layer (201) applied on an FTO-glass plate (202). The electrolyte layer (300) consists of a polyaniline polymer matrix blended with an iodine-based redox couple. (Figure 1-2)
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