Strontium aluminate is a chemical compound made from strontium, aluminum, and oxygen. It is known for its unique luminescent properties, which allow it to glow in the dark after being exposed to light. This makes it popular in various applications, including safety signs, glow-in-the-dark paints, and decorative items. The compound is often used in the production of phosphorescent materials, which can store light energy and release it slowly over time. Strontium aluminate is considered more effective than traditional glow-in-the-dark materials, such as zinc sulfide, due to its longer-lasting glow and brighter luminescence.