离子掺杂黄长石结构ABC3O7发光材料的研究进展OA

Melilite-structured compounds with the general formula ABC3O7-where A is an alkaline earth metal(e.g.,Ca2+,Sr2+,or Ba2+),B is a trivalent rare-earth ion,and C is a trivalent main-group element(e.g.,Ga3+or Al3+)-represent an important class of inorganic functional materials.Owing to their stable crystal structure,tunable chemical composition,excellent physical and chemical stability,and multiple lattice sites available for activator ions,these materials have shown considerable potential in luminescence applications.This article provides a systematic review of recent advances in ion-doped ABC3O7-based luminescent materials.It highlights the characteristic features of the melilite-type crystal structure and presents a comprehensive summary of the luminescent properties,site occupancy behaviors,and concentration quenching effects of representative activator ions,including Eu3+,Tb3+,Dy3+,Mn2+,and Cr3+,within this host lattice.Additionally,the energy transfer mechanisms between sensitizers(e.g.,Bi3+)and activator ions are thoroughly examined,and strategies for color tuning and performance enhancement via ion co-doping are discussed.Finally,current challenges and future research directions are outlined,providing theoretical insights and practical guidance for the rational design of high-performance melilite-structured luminescent materials.