MUMBAI, India, Feb. 6 -- Intellectual Property India has published a patent application (202511132968 A) filed by Romana Yousuf; Shaiqa Nasreen; and Jawaaz Ahmad, Anantnag, Jammu & Kashmir, on Dec. 29, 2025, for 'a dual-passivation gradient interface layer for suppression of interfacial trap states in perovskite photovoltaic devices.'

Inventor(s) include Romana Yousuf; and Shaiqa Nasreen.

The application for the patent was published on Feb. 6, under issue no. 06/2026.

According to the abstract released by the Intellectual Property India: "The present invention relates to a perovskite photovoltaic device comprising a dual-passivation gradient interface layer disposed between a perovskite absorber layer and an adjacent charge-transport lay...