MUMBAI, India, March 13 -- Intellectual Property India has published a patent application (202641001552 A) filed by M. Karthik; S. Boopathipandiyan; K. Gowri Sankar; N. Hariharan; M. Karthik; S. S. Keertheshwar; T. Rangasamy; B. Kishore Kumar; and Dr. A. Arun Negemiya, Coimbatore, Tamil Nadu, on Jan. 7, for 'multifunctional self-cleaning nanocoating system for enhanced solar panel efficiency.'
Inventor(s) include M. Karthik; S. Boopathipandiyan; K. Gowri Sankar; N. Hariharan; M. Karthik; S. S. Keertheshwar; T. Rangasamy; B. Kishore Kumar; and Dr. A. Arun Negemiya.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a multifunctional nanocoating system for photovoltaic solar panels to enhance efficiency, durability, and environmental resistance. The invention employs a hybrid nanocoating comprising silicon dioxide (SiO2) and titanium dioxide (TiO2) nanoparticles prepared using a sol-gel process and applied to the solar panel glass surface through scalable coating techniques such as spray o f dip coating. The nanocoating reduces surface reflectivity, increases light transmittance, and provides self-cleaning, hydrophobic, and photocatalytic properties. The coating also protects the solar panel surface from ultraviolet radiation, dust accumulation, chemical corrosion, and mechanical abrasion. The invention significantly improves electrical output, reduces maintenance frequency, and. extends the operational lifespan of photovoltaic modules, making it suitable for large-scale and outdoor solar energy installations."
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