Construction and photoluminescence properties of octaimidazolium-based polyhedral oligomeric silsesquioxanes hybrids through the ‘bridge’ of ionic liquids: Chemical sensing for Cu2+
作者:Furan Zou、Huaxu Ling、Lei Zhou、FangFang Wang、Ying Li
DOI:10.1016/j.dyepig.2020.108840
日期:2021.1
Herein, we demonstrate a successful preparation method of ionic liquid functionalized POSS hybrids by quaternization of imidazole salt with Octa-(ɤ-chloropropyl) POSS. A novel photofunctional hybrid soft material POSS- min-[Eu(tta)4] (tta:2-thenoyltrifluoroacetone) was reported via an ion-exchange reaction between imidazolium-based POSS(POSS-min-Cl) and lanthanide complex [Eu(tta)4]-. The obtained
在本文中,我们证明了通过咪唑盐与Octa-(ɤ-氯丙基)POSS季铵化成功制备离子液体功能化POSS杂化物的方法。通过基于咪唑鎓的POSS(POSS-min-Cl)与镧系元素络合物[Eu(的复合物)的离子交换反应,报道了一种新型的光功能杂化软材料POSS- min- [Eu(tta)4 ](tta:2-thenoyltrifluoroacetone) tta)4 ] -。获得的杂种通过FT-IR,1 HNMR,13 CNMR,UV-Vis,PL和TGA进行了广泛的表征。而且,与相应的纯配合物相比,POSS-min- [Eu(tta)4 ]显示出更高的荧光强度,更长的寿命和更高的热稳定性。更重要的是,POSS-min- [Eu(tta)图4 ]显示出光物理性质的改善(ƞ= 53.73%),并且被选为代表性样品以检查金属阳离子的潜在荧光感测。POSS-min- [Eu(tta)4 ]杂合物对不同的金属离子,特别是Cu