公开(公告)号：US11225603B2

公开(公告)日：2022-01-18

申请号：US16474897

申请日：2017-11-10

Applicant: National Institute of Advanced Industrial Science and Technology

Inventor： Chao-Nan Xu ,  Dong Tu

IPC: C09K11/64 ,  C09D5/22 ,  C09D201/00 ,  C09K11/08 ,  C09K11/77

Abstract: The purpose of the present invention is to provide a mechanoluminescent material which can be exhibit brighter luminescence compared to traditional SAO mechanoluminescent material even with respect to small strains and which has a relatively high mechanoluminescent capability even when left to stand for a long period of time after excitation. Provided is a strontium aluminate mechanoluminescent material containing Zr ions, characterized in that the Zr ions are contained in a reduced state, the content of the Zr ions is 10 mol % or less, and in a thermoluminescence measurement, one or more luminescence peaks are observed at a temperature of 100° C. or higher.