A research team collaborated to identify the principle of an eco-friendly energy-based soft mechanoluminescent complex that emits light without batteries. It is expected to be applied in various fields, such as optical sensors, artificial skin, and displays. The team includes Dr. Jeong Soon-moon, Dr. Lim Sung-jun (Division of Nanotechnology) and Prof. Kim Young-hoon (Department of Applied Chemistry, Kookmin University).