Multi-ion doped persistent phosphor

Multi-color afterglow monitorable

A NaGdGeO4 phosphor co-doped with Bi3+ and Ln3+, achieving multicolor persistent luminescence through selective emission from distinct luminescent centers, offering a new route for designing efficient afterglow materials.

Wenqian, Xu · Xue, Yang · Zhang, Xiangyu · Yuqiang, Wang · Gao, D. L.

Materials Today Chemistry 2025

Advantages

Multicolor persistent luminescence

Thermoluminescence profiles depend on specific luminescent centers