Researchers have directly shown that electrons generated when light strikes a well-oriented perovskite film are unrestricted by grain boundaries and travel long distances without deteriorating.

Solar cells made with films mimicking the structure of the mineral perovskite are the focus of worldwide research. But only now have researchers at Case Western Reserve University directly shown the ...

In an attempt to cut greenhouse emissions, Boston is embarking on a plan to convert all its electric lighting to efficient LED fixtures. When compared with things like transit and heat, lights may ...