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制备了一种大分子稀土配合物聚6-(丙烯酰氧基)萘-2-羧酸-铕(p-NJS-Eu),并与小分子稀土配合物NJS-Eu性能对比,TG分析可知大分子有机配体比小分子有机配体配位效率高,荧光光谱分析知p-NJSEu的荧光强度约为Eu Cl3的5倍。将稀土配合物掺杂入EVA胶膜作为太阳能电池封装材料,结果表明,大分子稀土配合物掺杂比小分子稀土配合物掺杂对EVA胶膜在可见光透过率的影响小,且大分子稀土配合物在胶膜中分散性较好,并与基质有良好的相容性,当p-NJS-Eu添加0.2%,EVA胶膜的光电转换效率增加了0.88%。
A macromolecular rare earth complex poly-6- (acryloyloxy) naphthalene-2-carboxylic acid-europium (p-NJS-Eu) was prepared and compared with the properties of the small molecule rare earth complex NJS-Eu. The organic ligands of macromolecules have higher coordination efficiency than the organic ligands of small molecules. The fluorescence intensity of p-NJSEu is about 5 times higher than that of EuCl3. The rare earth complex doped EVA film as a solar cell packaging material, the results show that the doping of macromolecule rare earth complexes than the small rare earth complex doping EVA film in the visible light transmittance is small, and the macromolecules The rare earth complex has good dispersibility in the film and good compatibility with the matrix. When p-NJS-Eu is added by 0.2%, the photoelectric conversion efficiency of the EVA film increases by 0.88%.