Abstract
A new system, LiPbB5O9 phosphor with varied concentrations of Sm3+ ions was synthesized by the high temperature solid state reaction method. The X-ray diffraction profiles were obtained for all phosphors. The luminescent properties of LiPbB5O9:Sm3+ phosphor with varied concentrations of Sm3+ ions at λem = 601 nm and λex = 401 nm were studied. And also concentration quenching and energy transfer studies in these phosphors were reported. Energy transfer parameters (Q) and correlated colour temperatures (CCT) of LiPbB5O9:Sm3+ phosphors were calculated. These results suggest that LiPbB5O9:Sm3+ phosphors could be promising candidates for orange-red light emission applications.
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