Electronic properties and rare-earth ions photoluminescence behaviors in borosilicate: SrB2Si2O8

摘要: Abstract Undoped and RE ions doped SrB2Si2O8 were successfully synthesized. After the application of UV VUV spectroscopy measurements, we made a novel discovery that emission SrB2Si2O8:Eu prepared in air can be switched between red blue by different excitations. The information is quite part Eu3+ was spontaneously reduced to Eu2+ air. PL properties Eu3+, Ce3+ Tb3+ UV–VUV region evaluated for first time. excitation mechanisms O2−–Eu3+ CT, f–d transitions as well f–d, O2−–Ce3+ O2−–Tb3+ CT host lattice absorption established. In addition, principles calculation within LDA DFT applied calculate electronic structure linear optical results compared with experimental data.