2010
DOI: 10.1088/0022-3727/43/8/085401
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Structure and luminescence of (Ca,Sr)2SiS4 : Eu2+ phosphors

Abstract: Sr 2 SiS 4 :Eu 2+ , Ca 2 SiS 4 :Eu 2+ and the solid solution of both, europium-doped (Ca,Sr) 2 SiS 4 , were investigated as UV-VIS excitable green to red powder phosphors. Sr 2 SiS 4 :Eu 2+ shows two emission bands, peaking at 480 nm and 550 nm. By changing the ratio between Ca 2+ and Sr 2+ , the photoluminescent emission spectrum can be tuned. Using X-ray diffraction, the phase composition and lattice parameters of the thiosilicate compounds were determined. The material forms a single, monoclinic Sr 2 SiS 4 … Show more

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Cited by 32 publications
(28 citation statements)
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“…The space group of Sr2SiS4 was reported to be the monoclinic P21/m (nr 11) [21]. In Figure 1, the XRD pattern of the synthesized phosphor is plotted.…”
Section: Resultsmentioning
confidence: 99%
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“…The space group of Sr2SiS4 was reported to be the monoclinic P21/m (nr 11) [21]. In Figure 1, the XRD pattern of the synthesized phosphor is plotted.…”
Section: Resultsmentioning
confidence: 99%
“…This was supported by the occurrence of two emission peaks (480 nm and 550 nm) for europium in this material, with an apparent preference for the Sr1-site. This was derived from the structural and optical behavior of the (Ca,Sr)2SiS4 solid solution [21]. For clarity, we recapitulate this behavior briefly.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…This method yields micron-sized single crystalline cuboids, mainly cubes. In this work we study the emission characteristics of individual cuboids by evaluating their CL emission in a SEM [14]. A detailed analysis of the preparation and the properties of these particles will be published elsewhere.…”
Section: Methodsmentioning
confidence: 99%
“…17 The correlation of the local compositional and luminescent properties has the potential to lead to a more profound understanding of the behavior of a phosphor and luminescence mechanisms in general. This technique has been successfully applied to study local compositional differences, [17][18][19][20] dopant clustering, 21 impurity phases 22,23 and particle size inhomogeneity 21,24,25 in phosphors. Single particle studies thus increase our knowledge on phosphor properties and often lead to the discovery of interesting novel phenomena.…”
mentioning
confidence: 99%