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摘要BaMgAl10O17(BAM)是一种优良的发光基质，其化学稳定性好、发光效率高，具有成为多功能材料的优越条件。本论文实验部分以BAM为基质，通过掺杂Eu和Mn来实现蓝绿双功能复合特性，并利用XRD、SEM、FL来研究其晶相结构、形貌和发光性能。结果表明，利用溶液燃烧合成法能在600℃形成物相良好的BAM，合成温度比传统的高温固相法降低了700℃，并利用燃烧反应使其自身产生的还原气氛对Eu3+进行了还原，从而避免了固相法中的反复高温还原的步骤，节约了能源，降低了成本。Mn、Dy、Sr、Ca的掺入对BAM：Eu2+光谱实现有效的裁剪控制，且燃烧法制备的荧光粉产物颗粒分散均匀，易于涂覆。10537
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关键词：蓝绿荧光粉；溶液燃烧合成；发光性能
Abstract
BaMgAl10O17 (BAM) is an excellent luminescent substrate with high chemical stability, high luminous efficiency, which makes it outstanding multifunctional material. In this article, Eu and Mn were co-doped in the BAM to acquire the phosphor with blue and green luminescence. Typically, a series of measurement including XRD, SEM and FL were employed to investigate the microstructure, morphology and luminescent property of the as-prepared phosphor. The result indicated that BAM phase was well shaped by solution combustion synthesis at 600℃, which was about 700℃ lower than that with conventional high temperature solid-state reaction. Furthermore, the Eu3 + in the crystal lattice could reduce Eu3 + automatically during the combustion process, which was facile to cause the energy decrease and the cost lower. Furthermore, Mn, Dy, Sr and Ca elements were co-doped into BAM to obtain the significant and effective tailoring spectra. Moreover, the phosphor power fabricated by solution combustion synthesis was well homodispersed, which were facile to be coated.
KeyWords：Blue-green phosphor；Solution Combustion Synthesis；Spectrum Characteristic
目 录
1 绪论 1
1.1 引言 1
1.2 LED灯用荧光粉的发展现状 1
1.3 白光LED用荧光粉的性质 3
1.4 白光LED国内外研究现状及发展前景 3
1.5 荧光材料的分类 4
1.5.1 铝酸盐系列荧光材料 4
1.5.2 硅酸盐系列荧光材料 5
1.5.3 氮化物／氮氧化物系列荧光材料 5
1.5.4 含硫荧光材料 5
1.5.5 其他荧光材料 5
1.6 荧光粉的分类 6
1.6.1 红色荧光粉 6
1.6.2 绿色荧光粉 6
1.6.3 蓝色荧光粉 7
1.7 稀土荧光粉 7
1.7.1 稀土电子管用荧光粉 7
1.7.2 稀土三基色照明用荧光粉 7
1.8 荧光粉的制备方法 8
1.8.1 高温固相反应法 8
1.8.2 燃烧法 8
1.8.3 溶胶－凝胶法 9
1.9 荧光粉发光机理 10
1.10 选题思路 12
1.10.1 荧光粉末的选择 12
1.10.2 粉末制备的选择 12
1.10.3 具体流程思路 12
2 实验部分 13
2.1 实验药品 13