Rare earth ions doped alkali metal silicate luminescent glass and the preparation method thereof

A preparation method of rare earth ion doped alkaline earth metal silicate luminescent glass, comprising:

• step one:
• mixing source compounds of cerium, terbium and an alkaline earth metal and dissolving them in a solvent to obtain a mixed solution;
• step two:
• submerging a nano-porous glass into the mixed solution obtained in step one for soaking, wherein a pore size of the nano-porous glass is in a range of 4 nm to 30 nm, and a nanopore volume accounts for 25% to 40% of the total volume of the nano-porous glass;
• step three:
• sintering the soaked nano-porous glass obtained in step two in reductive atmosphere, then cooling to room temperature to obtain a cerium and terbium co-doped alkaline earth metal silicate luminescent glass,
• wherein in step three, the soaked nano-porous glass obtained in step two is dried at room temperature, and heated gradually from room temperature to 400° C. at a rate of from 12° C./min to 15° C./min, then heated from 400° C. to 900° C. at a rate of 15° C./min and heated from 900° C. to a sintering temperature of 1100-1300° C. at a rate of from 5° C./min to 15° C./min.