Investigation on luminescence properties and applications for Dy3+ and Eu3+ activated Ba3Y2B6O15 phosphors

Ba${}_3$Y${}_2$B${}_6$O₁₅(BYB): Dy${}^{3+}$/Eu${}^{3+}$ phosphors with complex perovskite structures were prepared by high-temperature solid-state reaction method. A higher energy transfer efficiency of 63.8% was achieved in the Dy and Eu co-doped sample. In addition, it possessed a higher thermal stability of 94.9% at 373K and a lower relative CCT is 1714K. The results revealed that the prepared phosphor has great potential as a single matrix in LED applications, in addition to optical temperature sensing and anti-counterfeiting.