Preparation and luminescence properties of Eu3+-doped MSnO3 (M = Ca, Sr and Ba) perovskite materials

Abstract A two-step approach has been developed for the large-scale synthesis of MSnO 3 (M = Ca, Sr and Ba) perovskite materials. Luminescence of Eu 3+ ions in these host materials has been investigated. The emission spectra of CaSnO 3 :Eu 3+ and BaSnO 3 :Eu 3+ are dominated by the red 5 D o → 7 F 2 transition at 614 nm. Whereas, the SrSnO 3 :Eu 3+ has comparable emission intensity in the 5 D o → 7 F 2 and 5 D o → 7 F 1 bands. Moreover, luminescence intensity is more favorable in CaSnO 3 :Eu 3+ than in SrSnO 3 :Eu 3+ and in BaSnO 3 :Eu 3+ . The results are interpreted in terms of the geometric environment of the Eu 3+ lattice and ionic radius compatibility between the Eu 3+ and alkaline earth ions (Ca 2+ , Sr 2+ and Ba 2+ ).

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