Effective Red Compensation of Sr₂SiO₄ : Dy³⁺ Phosphor by Codoping Mn²⁺ Ions and Its Energy Transfer

Figure 7

Variations of integrated intensity of 550–600 nm for Dy³⁺ and 635–700 nm for Mn²⁺ in (Sr, Dy, Mn)₂SiO₄ (𝜆_ex=349 nm).

(a)

(b)