摘要 |
Triboluminescent materials and their use in devices such as damage sensors, paper, adhesives and sealed articles to exploit their triboluminescent effect. The triboluminescent material comprising 'M' as a chelating metal wherein 'M' is chosen from Tb, Eu, Sm or DY, and characterised in that a proportion of 'M' is replaced by at least one of Y, Gd, La and Lu. |