Understanding the nature of pH has bedeviled beginning (and not-so-beginning) chemistry students for nearly as long as chemistry has had students. It all seems so arbitrary, being the base-10 log of ...

Scientists in China built for the first time a four-terminal tandem perovskite cell with a 17.88%-efficient top perovskite device and a 7.85%-efficient bottom antimony selenide bottom cell. The key ...

Science, founded by Thomas A. Edison in 1880 and published by AAAS, today ranks as the world's largest circulation general science journal. Published 51 times a year, Science is renowned for its ...

Demonstration of a proof-of-concept tandem solar cell composed of antimony selenide and wide-band-gap perovskite as bottom and top subcell absorption materials. The device achieves a greater than 20% ...

An international group of researchers from the University of Science and Technology of China developed a proof-of-concept tandem solar cell tandem solar cell for the first time by using antimony ...