Eco-Friendly Solar Cells Developed from Four O'Clock Flower Petals in Jharkhand

Researchers at Central University of Jharkhand have developed an eco-friendly solar cell using natural dye extracted from the petals of the 'four o'clock flower'. This low-cost Dye-Sensitised Solar Cell achieved a power conversion efficiency of 0.61% with promising stability, offering a sustainable alternative to synthetic dyes.