Perovskite is a new wonder material used to make cheap and efficient solar cells . ( CNN ) -- New , self-cooling solar cells could overcome the challenges of overheating . Regular windows could produce electricity by using a new , transparent solar cell technology . Comment:
Perovskite is a new wonder material used to make cheap and efficient solar cells . New , self-cooling solar cells could overcome the challenges of overheating . Regular windows could produce electricity by using a new , transparent solar cell technology . Comment: