Cadmium Selenide is a chemical compound made up of the elements cadmium and selenium. It appears as a bright yellow or red solid and is often used in various applications, including electronics and solar cells. Its unique properties make it valuable in the production of quantum dots, which are tiny semiconductor particles that can emit specific colors of light. In addition to its use in technology, Cadmium Selenide is also studied for its potential in photovoltaic devices, which convert sunlight into electricity. However, due to the toxicity of cadmium, safety measures are essential when handling this compound to prevent environmental and health risks.