MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202641088732 A) filed by Agni College Of Technology on July 21, 2026, for Green Synthesis Of Zinc-Doped Titanium Dioxide Nanocoating For Self-Cleaning And Protective Solar Panel Surfaces.
Inventors include Yuvanashree E; Murugan K; Nandishwar S; Naveen Tj; and Niranjan R.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: Solar panels installed in outdoor environments suffer measurable losses in light transmittance and power output due to the progressive accumulation of dust and organic soiling on their surfaces. While titanium dioxide (TiO2) is recognized for its photocatalytic and hydrophilic self-cleaning properties, its wide band gap confines this activity to the ultraviolet range, and its conventional synthesis typically relies on hazardous chemical reagents. This invention presents a green synthesis method for producing zinc-doped titanium dioxide (Zn-TiO2) nanoparticles using plant-derived extracts as natural reducing and capping agents in place of toxic chemical reductants. The synthesized nanoparticles are formulated into a coatable suspension and applied as a thin nanocoating on solar panel glass surfaces. The zinc doping narrows the band gap of the TiO2, extending its photocatalytic activity into the visible-light spectrum, while the coating additionally exhibits superhydrophilic behaviour that enables water to shee
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