Luminescence and Energy Transfer Properties of Color‐Tunable Dy3+, Eu3+ co‐Activated NaGdSiO4 Phosphor for WLED with Great Thermo‐Stability
Xihu Wang,
Xuyang Wang,
Xiaona Chai
et al.
Abstract:A series of NaGd1‐x‐ySiO4: y Dy3+ ‐ x Eu3+ phosphors were synthesized by a high‐temperature solid‐phase method. The optimal doping ion concentration of Dy3+ ions for this phosphor was determined to be 1% from the emission spectra. The energy transfer between Dy3+ and Eu3+ ions at 351 nm was investigated by photoluminescence spectra and fluorescence decay curves. At the excitation wavelengths of 275 nm, 351 nm, 366 nm, and 394 nm, a change from yellow to white to red light can be realized by adjusting the dopin… Show more
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