Study on Co-precipitation Synthesis, Structure Characterization and Photoluminescent Properties of K2GeF6: Mn Phosphors

Lingling Wei, H. Jiao
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Abstract

: A research-based comprehensive experiment was introduced: co-precipitation synthesis, structure characterization and photoluminescent properties of K 2 GeF 6 :Mn phosphors. Chemical redox and co-precipitation method was employed to synthesize K 2 GeF 6 :Mn phosphors. By using XRD, SEM and PL spectra characterization techniques, the effects of Mn contents and reactive temperatures on the structure and properties of K 2 GeF 6 :Mn phosphors were studied. The red phosphors show great potential in LEDs applications. Through this experiment, students can master the basic laboratory skills; interpret the experimental principles with their basic theoretical knowledge, which will further enhance their scientific research ability and comprehensive application of knowledge.
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K2GeF6: Mn荧光粉共沉淀法合成、结构表征及发光性能研究
介绍了k2 gef6:Mn荧光粉的共沉淀法合成、结构表征及光致发光性能。采用化学氧化还原-共沉淀法合成了k2gef6:Mn荧光粉。采用XRD、SEM和PL光谱表征技术,研究了Mn含量和反应温度对k2gef6:Mn荧光粉结构和性能的影响。红色荧光粉在led中显示出巨大的应用潜力。通过本实验,使学生掌握基本的实验技能;运用学生的基本理论知识对实验原理进行解读,进一步提高学生的科研能力和知识的综合应用能力。
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