Coated white pigment is catalytically active

It is one of the softest white pigments used by the industry. However, zinc sulfide turns gray over time if it is not appropriately pretreated. Chemists under the leadership of the Center for Nanointegration (CENIDE) at the UDE discovered a way to retain its brilliant color and also enable its use as a catalyst; for example, to convert sunlight into usable energy.