| 标题 |
 Energy transfer and tunable emission in BaSrGd4O8:Bi3+,Eu3+ phosphors for warm WLED 暖WLED用BaSrGd4O8：Bi3+，Eu3+荧光粉的能量转移和可调发射
相关领域
荧光粉
结构精修
掺杂剂
材料科学
热稳定性
兴奋剂
显色指数
分析化学（期刊）
量子效率
发光
色温
光致发光
结晶学
晶体结构
化学
光电子学
有机化学
色谱法
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| DOI | |
| 其它 | In this work, a series of BaSrGd4O8:xBi3+ blue phosphors was synthesized employing the high-temperature solid-state method. Phase purity of the samples was verified by X-ray diffraction and Rietveld refinement. Time-resolved photoluminescence spectra revealed the existence of two distinct Bi sites. Subsequent optimization of dopant types and doping levels in the batch led to an almost twofold increase in quantum efficiency. The introduction of Eu3+ into the phosphors facilitated the construction of an energy transfer pathway. As the concentration of Eu3+ was increased, the emission color changed from blue to purple and finally to red. In addition, the thermal stability and potential applications of the phosphors were extensively investigated. |
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