Abstract Ca1−xSrxZr4(PO4)6: Eu2+ (0≤x≤1) was synthesized by a conventional solid‐state reaction for the first time. XRD data and the Rietveld refinement analysis confirm that the samples are single phase and continuous solid solutions are formed in the full range of 0≤x≤1. The emission peak can be tuned from 492 to 463 nm accompanied by a band narrowing from 87 to 68 nm due to the combined effects of crystal field regulation and site-preference of Eu2+. Both luminescence decay times and thermal stabilities of the phosphors show a non-linear dependence on the Sr2+ content. The insensitivity of thermal quenching properties of Ca1−xSrxZr4(PO4)6: Eu2+ to the Sr2+ content was explained by the underlying mechanism of thermal ionization of 5d electron into the host conduction band.

中文翻译：

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蓝绿光Ca1−xSrxZr4(PO4)6: Eu2+ (0 ≤ x ≤ 1)荧光粉的晶体结构和光致发光特性

摘要 Ca1−xSrxZr4(PO4)6: Eu2+ (0≤x≤1) 首次通过常规固相反应合成。XRD数据和Rietveld精修分析证实样品为单相，在0≤x≤1全范围内形成连续固溶体。由于晶体场调节和 Eu2+ 位点偏好的综合效应，发射峰可以在 492 到 463 nm 范围内调整，同时带从 87 到 68 nm 变窄。磷光体的发光衰减时间和热稳定性均表现出对 Sr2+ 含量的非线性依赖性。Ca1-xSrxZr4(PO4)6:Eu2+ 的热猝灭特性对 Sr2+ 含量的不敏感性可以通过 5d 电子热电离进入主体导带的潜在机制来解释。