Low-Cost, Eco-friendly Solar Cells Made Possible Using Kumkum Dye Updated On Mon, Jul 29th, 2019 by Saurenergy A team of researchers has developed low-cost, environment-friendly solar cells by employing an off-the-shelf dye used to make kumkum in India. A team of researchers at the Indian Institute of Technology Hyderabad (IIT-H) have developed low-cost, environment-friendly solar cells by employing an off-the-shelf dye used to make kumkum or vermilion in India. According to the research published […] Read more