A team of researchers from the University of Toronto's Faculty of Applied Science & Engineering has leveraged quantum mechanics to optimize the active layer within a device known as an inverted perovskite solar cell—a technology that could one day result in mass-market solar cells that a fraction of those currently on the market.
source https://www.lifetechnology.com/blogs/life-technology-science-news/quantum-innovation-advances-low-cost-alternative-solar-technology