Kerala University patented eco solar tech using jackfruit extract

The University of Kerala has secured an Indian patent for an eco-friendly method to develop quantum dots used in next-generation solar cells. The innovation is a joint effort by the Physics and Botany departments under the Translational Research and Innovation Centre (TRIC-KU). Researchers used aril extract from Momordica cochinchinensis (baby jackfruit) to synthesize copper-incorporated methylammonium lead bromide quantum dots. This plant-based process has eliminated high-temperature steps, lowering energy use during production. It also replaced 30% of toxic lead content with copper, improving environmental safety. The materials are designed for dye-sensitised solar cells, which can reach up to 25% efficiency. The patent technique is also suited for blue LED and electronic applications. The inventor team includes Dr. Jayakrishnan, Dr. Aruna Raj, Prof. Gangaprasad, and Priji S.