A novel red-emitting phosphors K2Ba (MoO4)2: Eu3+, Sm3+ and improvement of luminescent properties for light emitting diodes

Concentration-dependent luminescence and energy transfer of flower-like Y2(MoO4)3:Dy3+ phosphor

“…Over the past several decades, rear earth ions (RE 3+ ) doped phosphors have attracted much attention due to their potential applications in plasma display panels (PDPs), field emission displays (FEDs), fluorescent lamps and so on [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15]. In recent years, with the technical mature of GaN-based LEDs, it is possible to achieve solid state illumination by combining short wavelength GaN-based LED chips with tricolor phosphors.…”

Synthesis and photoluminescence properties of color-tunable BaLa2WO7:Eu3+ phosphor

“…This is due to direct energy transfer from CTS to the 5 D 1,0 energy states, which allows the CTS band to feed directly to the lower energy states of 5 D 1,0 . In contrast to the CTS band, 4f electrons are well shielded from the surroundings by filled 5s and 5p orbitals [26][27][28], so the influence of the energy transfer for f-f transition is too weak to be considered. Therefore, the 5 D 1,0 state transition is more effective than the 5 D 3,2 transition under CTS excitation [29].…”

Luminescence investigation and thermal stability study of Eu2+ and Eu2+–Mn2+ codoped (Ba,Sr)Mg2Al6Si9O30 phosphor

“…For example, Eu 2+ and Eu 3+ as efficient sensitizers have been widely studied for LED in different hosts [1][2][3][4][5][6]. While, in order to obtain higher colorrendering index and tunable correlated color temperature, doubly doped luminescent material based energy transfer is considered to be an effective alternative for white LEDs.…”