Abstract
The Eu2+/Dy3+ co-doped high silica luminescence glasses were prepared through sintering porous glasses which have adsorbed rare earth ions previously and the effect of pore structure parameters including average pore size, specific surface area, and pore volume on luminescence properties of high silica glass were analyzed by utilizing BET method and emission spectra. The results show that the pore parameters of porous glasses do not affect the shapes of emission spectra but affect the luminescence intensities of high silica glasses. The luminescence intensities of high silica glass increase when the specific surface area of porous glasses increases, which can be interpreted by mechanism of adsorption of rare earth ions onto porous glass. The average pore size and pore volume indirectly affect the luminescence intensities through influencing specific surface area of porous glass.
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