Luminescence investigations of Ce3+ doped CaS nanophosphors

Optical properties of Ce3+-doped KLuS2 phosphor

“…Luminescence properties of the CdS:Ce 3 þ nanoparticles have been investigated in detail [2], and the effect of dopant concentration on the photoluminescence (PL) intensity has also been studied. Analogously, there are numerous papers dealing with the luminescence features of the CaS:Ce 3 þ nanoparticles as well [3,4]. CaS:Eu 2 þ , Mn 2 þ and CaS:Ce 3 þ , Tb 3 þ synthesized by the flux method [5] were aimed to be used for cathode-ray tube display.…”

Blue shift in band gap and photoluminescence of pulsed laser deposited SrS:Ce/quartz thin film nanophosphors

“…There are several reports available on the synthesis of SrS based thin films on different substrates using pulsed laser deposition (PLD) [8,9], e-beam evaporation [10], RF sputtering [11], atomic layer epitaxy [12], etc. Since in low dimensional systems, electrons and holes are spatially confined causing quantum confinement effects, energy levels and hence optical properties become considerably different from their bulk counterparts [13][14][15]. This has generated a considerable interest in exploring nanomaterials both in powder [16][17][18] and thin film form [19][20][21].…”

Luminescence properties of a new blue-emitting phosphor Ce3+-doped CaLaGa3S7

“…The crystal field splitting of Ce 3+ ions in chalcogenide hosts are expected to be stronger than those in oxide hosts, therefore, the absorption of the 4f-5d transitions may extend to the visible (400-500 nm) area. Hence, the Ce 3+ doped chalcogenide is a very appropriate phosphor excited by near-UV or blue-emitting diodes for solidstate lighting, such as CaS:Ce 3+ [17], Ca 10 (PO 4 ) 6 Y (Y = S, Se):Ce 3+ [18] and CaAl 2 S 4 :Sn 2+ , Ce 3+ [19] phosphors. The luminescence properties of SrLaGa 3 S 6 O:Eu 2+ and CaLaGa 3 S 6 O:Ce 3+ , Tb 3+ phosphors were first reported by our group, via replacing a portion of oxygen in (Sr, Ca)LaGa 3 O 7 by sulfur [20,21].…”