Effect of Eu3+ on optical and energy bandgap of SrY2O4 nanophosphors for FED applications

Structural and luminescence studies of titanium co‐doped SrY2O4:Eu phosphors

“…The O-Y-O group vibrations were observed at $606 cm À1 . [28,29] The presence of all these bands confirmed the formation of SrY 2 O 4 phosphors. Furthermore it was observed that, with co-doping, the intensity of the OH group decreases, which has a significant effect on the luminescence properties, as OH À ions act as quenchers in photoluminescence.…”

“…7 F J(J = 0,1,2,3,4) transitions of Eu 3+ ions. [12] Ghorpade et al [13] synthesized Eu 3+ -doped SrY 2 O 4 using a solid-state reaction method.…”

Optimizing the luminescence efficiency of an europium (Eu3+) doped SrY2O4 phosphor for flexible display and lighting applications

“…38 The brightest emission band can be seen at 611 nm, which is associated with the electric dipole transition 5 D 0 / 7 F 2 (ref. [23][24][25]. The 5 D 0 / 7 F 0 and 5 D 0 / 7 F 1 magnetic dipole transitions 60 give rise to the 580 nm and 590 nm bands, respectively.…”

Photoluminescence, TGA/DSC and photocatalytic activity studies of Dy3+ doped SrY2O4 nanophosphors

“…The peak at around 166 C against the energy of the incident photons (hn). 39,40 The Kubelka-Munk (K-M) approximation is one suitable method used for the estimation of the direct energy bandgap of pure SrY 2 O 4 and Dy 3+ -doped nanophosphors and the respective K-M plots are shown in Fig. 12.…”