Synthesis, energy transfer and tunable emission properties of SrSb 2 O 6 :Eu 3+ , Bi 3+ phosphor

Dy and Eu activated Ca3B2O6 phosphors for near ultraviolet‐based light‐emitting diodes

“…7 F J (J = 0, 1, 2) electronic transitions of Eu 3+ , respectively. [29][30][31] Besides, an emission band peaking at 422 nm can be better identified upon excitation at k ex = 360 nm which can be ascribed to the existence of Eu 2+ . The excitation peaks at 362, 380 and 394 nm (k em = 616 nm) are assigned to the 7 F 0 ?…”

“…The excitation and emission spectra of Ca 2.99 B 2 O 6 :0.01Eu phosphor are shown in Figure A. The emission bands centered at around 587, 597, and 616 nm arise from the 5 D 0 → 7 F J (J = 0, 1, 2) electronic transitions of Eu 3+ , respectively . Besides, an emission band peaking at 422 nm can be better identified upon excitation at λ ex = 360 nm which can be ascribed to the existence of Eu 2+ .…”

Self-calibrated optical thermometer based on luminescence from SrLu2O4:Bi3+,Eu3+ phosphors

“…15 It is well known that RE ions doped luminescent materials are plentiful luminescent resources due to their abundant energy levels. 16,17 Eu 3+ ion is a red activator originating from 5 D 0 -7 F J (J ¼ 0, 1, 2, 3, 4) transitions under UV light excitation. 17,18 Bi 3+ ion is another kind of activator, whose luminescence is attributed to the transition from 6s 2 to 6s6p with broad absorption band in UV region.…”

“…16,17 Eu 3+ ion is a red activator originating from 5 D 0 -7 F J (J ¼ 0, 1, 2, 3, 4) transitions under UV light excitation. 17,18 Bi 3+ ion is another kind of activator, whose luminescence is attributed to the transition from 6s 2 to 6s6p with broad absorption band in UV region. 19,20 Bi 3+ ion can emit various wavelength including ultraviolet, blue, green, yellow and even red bands in different hosts.…”

Large-scale fabrication of porous YBO 3 hollow microspheres with tunable photoluminescence

“…Luminescent materials, especially lanthanide-doped materials, have attracted extensive synthetic interest due to their remarkable luminescence properties, such as various emission colours, high photochemical stability, low toxicity, narrow emission peaks and large anti-Stokes shifts [1–8]. These advantages lead to their excellent performance in versatile applications such as lighting, information display technologies, solar cells, biological labelling and biomedical imaging technology [9–13].…”