Intellectual Property India Publishes Patent Application for Broadband Solar Spectrum Harvesting Via Dual-Mode Upconversion And Downconversion In Yb³+/Er³+ Doped Bioci Nanosheets

MUMBAI, India, July 7 -- Intellectual Property India has published a patent application (202521086289 A) filed by Pandit Deendayal Energy University on September 11, 2025, for Broadband Solar Spectrum Harvesting Via Dual-Mode Upconversion And Downconversion In Yb³+/Er³+ Doped Bioci Nanosheets.

Inventors include Prakash Chandra; Paramsinh Zala; Krunal Baria; Mayank Gupta; and Brijesh Tripathi.

The application for the patent was published on July 03, 2026, under issue no. 27/2026.

Abstract: The titled invention relates to a dual-mode luminescent material comprising Yb3+/Er3+ co-doped BiOCI nanosheets that exhibit both upconversion (UC) and downconversion (DC) photoluminescence. The material is synthesized via a hydrothermal-assisted method...