Broadband Near-Infrared Quantum Cutting in Metal-Ion Codoped Y₃Al₅O₁₂ Thin Films Grown by Pulsed-Laser Deposition for Solar Cell Application

Figure 4

(a) PL intensity in the visible and NIR range as a function of Yb³⁺ concentration. (b) Decay curves of YAG: Ce³⁺, Yb³⁺ under 450 nm excitation.

(a)

(b)