Investigating the photoluminescence and structural properties of a LiBO2:sm3+ phosphor produced using the solid state diffusion approach

Abstract

The solid state diffusion approach, which is both popular and convenient, was used to synthesise phosphorus-doped lithium metaborate (LiBO2). Photoluminescence (PL) and X-ray diffraction (XRD) were used to characterise these phosphors, which revealed that the manufactured sample had a uniform, crystalline structure. We determined that the phosphors had an average particle size of 38.785 nm in our X-RD characterisation, suggesting that the material was nanomaterial. A photoluminescent phosphor's emission spectra will exhibit an efficient orange at 606 nm, stimulated by UV light at 401 nm. Solid state lighting devices, made possible by studying lithium metaborate phosphors doped with Sm3+ elements, are an important part of sustainable lighting technology and help the food industry cut down on the usage of toxic fertilisers.