Sm_xY_(1-x)(Sal)_3(phen)转光剂的合成与性能表征

Synthesis and Characterization of Light Conversion Agent Sm_xY_(1-x)(Sal)_3(phen)

在钐中掺入钇,以水杨酸(Hsal)、邻菲咯啉(Phen)为有机配体合成了一系列新的三元有机配合物,研究了该系列配合物的荧光性能、紫外/可见光谱、红外光谱及热效应等性能,并且从中探讨了配合物性能随Y3+掺入量变化的规律。结果表明,荧光惰性离子Y3+的适量掺入,不仅会改变中心离子Sm3+与有机配体之间的配位能力,还能增强Sm3+的红光发光强度,在Y3+掺入量为90%(摩尔分数)时达到最佳。同时,该系列配合物的主要荧光发射峰位645 nm与植物光合作用吸收谱较为吻合。

A series of tribasic complexes of samarium(Ⅲ),yttrium(Ⅲ) with 1,10-phenanthroline(Phen) and salicylic acid(HSal) was synthesized,which has not been reported in China before.The product was characterized by IR,UV,fluorescence spectra and thermal analysis.Properties of the product was discussed when the mixing amount of Y3+ varied.It is found that the mixing of Y3+ will not change the combination between Sm3+ and the complexes.In addition,proper amount of yttrium can strengthen the red light luminescence of samarium,which comes to the best when mixing amount reaches 90%(mole proportion).Furthermore,the main fluorescence emission peak of this series of complexes is at 645 nm,which is most closed to the photosynthesis spectra of vegetables.