The luminescence study of Sr2−xSrxPN3:Eu2+ nitridophosphate.

In this work, a series of Ca2−xSrxPN3:Eu2+ nitridophosphate phosphors through a solid-solution strategy involving a hot isostatic press was developed by collaborators from National Taiwan University. Unexpected dual emissions in the red and infrared regions are observed, different from previous research results. The unique change in red and near-infrared emission with the incorporation of Sr2+ is revealed and explained in detail through the structural analysis of the locally coordinated environment. Thermal properties including temperature-dependent photoluminescence and decay, as well as electron-lattice relaxation properties, are analyzed in detail. Furthermore, photobiomodulation based on the dual emission of Ca2−xSrxPN3:Eu2+ in the red and near-infrared regions is proposed, demonstrating their potential practical applications. This study provides insight into the analysis of nitridophosphate phosphors and the development of novel luminescent materials. In that dataset, the scientific article with Supporting Information, raw data of excitation and emission spectra, decay profiles, and temperature-dependent photoluminescence and decay profiles are provided.