The hydrocarbon methane is highly abundant on Earth, yet its release is now known to contribute to surges in temperature and climate change. In recent years, researchers have been trying to devise ...

A photocatalyst is a light-activated catalyst, usually a semiconductor, that absorbs photons and uses the resulting electrons and holes to drive chemical reactions without being consumed. In many ...

Researchers at the University of Johannesburg have developed a new type of photocatalyst that harnesses the visible portion of the sunlight spectrum. Currently, economical and environmentally-friendly ...