Solar Power World

IBM Creates Solar Cell Comprised Mostly Of Earthly Elements

IBM announced it has built a solar cell — where the key layer that absorbs most of the light for conversion into electricity, is made entirely of readily-available elements — that set a new world record for efficiency and holds potential for enabling solar cell technology to produce more energy at a lower cost. Comprised of copper (Cu), tin (Sn), zinc (Zn), sulfur (S), and/or selenium (Se), the cell’s power conversion demonstrates an efficiency of 9.6 percent... Read More