Stockholm

One of the solar energy market's most promising solar cell materials-- perovskite-- is likewise one of the most irritating. A study group in Sweden reports a feasible solution to the environmental instability of perovskite-- an alternative to silicon that's cheap and also highly effective, yet deteriorates considerably when revealed to moisture.

Swedish Vattenfall will be constructing a huge solar array 70 kilometers north of the capital – in the city of Uppsala.

Researchers at Siberian Federal University, together with colleagues from the Royal Institute of Technology (Stockholm, Sweden), discovered new properties of material based on palladium, which can increase the performance of solar cells.