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In this research we have studied the lighting enhancement method by analyzing chromatic performance and luminous flux of light emitting diodes that produce white light. In order to achieve expected results, it is necessary to mix Eu 2+ -activated strontium-barium silicate (SrBaSiO 4 :Eu 2+ ) with its phosphor compounding, which has been demonstrated to have considerable influence on lighting performance. The results showed that with the gradually increasing concentration of yellow-greenemitting SrBaSiO 4 :Eu 2+  phosphor in LEDs devices, at 8500 K, the color homogeneity and the lighting output received a great improvement. The color quality scale, on the other hand, responded negatively to the increase in SrBaSiO 4 :Eu 2+ . The impact of SrBaSiO 4 :Eu 2+  on optical properties of WLEDs was confirmed. The final step to optimize SrBaSiO 4 :Eu 2+  usage in lighting development is to figure out a suitable amount of particles and optimize their size.

materials science poland

Eu<sup>2+</sup>-activated strontium-barium silicate: a positive solution for improving luminous efficacy and color uniformity of white light-emitting diodes

Eu2+-activated strontium-barium silicate: a positive solution for improving luminous efficacy and color uniformity of white light-emitting diodes

Eu²⁺-activated strontium-barium silicate: a positive solution for improving luminous efficacy and color uniformity of white light-emitting diodes