NREL maintain the chart to look at when it comes to efficiencies for various processes. Perovskite cells are relatively new, not hugely efficient, but pretty ch

NREL maintain the chart to look at when it comes to efficiencies for various processes. Perovskite cells are relatively new, not hugely efficient, but pretty cheap. https://www.nrel.gov/pv/cell-efficiency.html https://www.nrel.gov/pv/cell-efficiency.html