SnO2, or tin(IV) oxide, is a chemical compound made up of tin and oxygen. It appears as a white powder and is commonly used in various applications, including electronics, ceramics, and as a catalyst in chemical reactions. Its semiconductor properties make it valuable in the production of sensors and solar cells. In addition to its industrial uses, SnO2 is also utilized in the manufacturing of transparent conductive coatings. These coatings are essential for devices like touch screens and flat-panel displays, where they help conduct electricity while allowing light to pass through.