首页|Photoluminescence performance of Tb3+/Eu3+ doped Bi2Sn2O7 phosphors
Photoluminescence performance of Tb3+/Eu3+ doped Bi2Sn2O7 phosphors
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NSTL
Elsevier
Tb3+/Eu3+ doped Bi2Sn2O7 phosphors were synthesized by a co-precipitation method. XRD patterns indicate that Tb3+/Eu3+ doped Bi2Sn2O7 have a single phase. TEM images indicate that the phosphors are irregular particles with the size of several nanometers. Tb3+ or Eu3+ singly doped Bi2Sn2O7 phosphors show characteristic photoluminescence of Tb3+/Eu3+ ions while they are excited. And Tb3+/Eu3+ codoped Bi2Sn2O7 phosphors show tunable photoluminescence because of Tb3+ -> Eu3+ energy transfer. The light can move from green region to yellowish-red region via yellow region by changing Eu3+ concentration.
NSTL
Elsevier
