Mechanoluminescent Phosphors

1Mechanoluminescence is a well-known phenomenon of light emission induced by deformation when certain solids suffer external mechanical stress. Mechano-luminescent materials which could convert mechanical energy directly into photons have attracted increasing attention in recent years for their wide potential applications in stress sensing and imaging, structural damage monitoring, wearable illuminating devices, self-powered display, mechanical energy collection and conversion, bio-imaging, and photodynamic therapy. Great progress has been made in developing novel materials with strong mechanoluminescence emission and their applications.