稀土配合物Na3Eu(DPA)3具有良好的发光特性和热稳定性。采用加热方法将Na3Eu(DPA)3掺入PMMA树脂中，制成发光塑料树脂，并测定了其发光性能。结果表明，Na3Eu(DPA)3掺入PMMA树脂后，仍保持该稀土配合物原有的发光特性，制成的Na3Eu(DPA)3-PMMA树脂复合材料具有良好的发光性能，其发光强度与Na3Eu(DPA)3掺入的含量有关，但没有线性关系。
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