Red, green and blue-violet emission coexistence in white-light-emitting Ca3SiO4Cl2:Bi3+, Li+, Eu2+, Eu3+ phosphor

Silicates and halides have been known to be good luminescent materials for long. These two types of hosts have some positive aspects and certain drawbacks, for example, though silicates are stable, they require relatively higher synthesis temperatures. Halide lattices are better suited for several applications like optically stimulated luminescence, thermoluminescence, scintillation, etc. and defects/color center/exciton formation is important. Halides have lower melting points as well. On the other hand, except for fluorides, other halides are quite hygroscopic. Stability in the ambient can pose some problems in applications and some measures for protection have to be taken. To enjoy the benefits of both silicates and halides, chlorosilicate lattices can be suitable. Chlorosilicates can be synthesized at significantly lower temperatures as compared to silicates. They are also less hygroscopic than the constituent chlorides. Research work on chlorosilicates is not as extensive as that on silicates and halides. These are promising luminescent materials whose potential remains still unexploited. A review of various chlorosilicate phases, i.e., of the studies on synthesis, crystal structures, luminescence etc. already carried out, is presented here with the objective of providing impetus to research work on chlorosilicates.

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Review of Cholorosilicates as Phosphor Hosts

Sharma

Moharil

2023

Cryst. Res. Technol.

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Spectroscopy analysis and optical transition property of GdNbTiO6: Eu3+, Sm3+ phosphor

Wang,

Li,

Liu

et al. 2024

Bull Mater Sci

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Tunable color emitting of Ba1-x-ySiO3:xEu,yBi3+ phosphors with the self-reduction of Eu3+ ions calcined in air

Yang

Zhu

et al. 2018

Journal of Luminescence

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Red, green and blue-violet emission coexistence in white-light-emitting Ca3SiO4Cl2:Bi3+, Li+, Eu2+, Eu3+ phosphor

Cited by 4 publications

References 31 publications

Review of Cholorosilicates as Phosphor Hosts

Review of Cholorosilicates as Phosphor Hosts

Spectroscopy analysis and optical transition property of GdNbTiO6: Eu3+, Sm3+ phosphor

Tunable color emitting of Ba1-x-ySiO3:xEu,yBi3+ phosphors with the self-reduction of Eu3+ ions calcined in air

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