Hybrid lanthanide complexes based on a novel β-diketone functionalized polyhedral oligomeric silsesquioxane (POSS) and their nanocomposites with PMMA via in situ polymerization

被引：37
作者：
Li, Liguo [1 ]
Feng, Shengyu [1 ]
Liu, Hongzhi [1 ]
机构：
[1] Shandong Univ, Sch Chem & Chem Engn, Key Lab Special Funct Aggregated Mat, Minist Educ, Jinan 250100, Peoples R China
来源：
RSC ADVANCES | 2014年 / 4卷 / 74期
基金：
中国国家自然科学基金;
关键词：
ORGANIC-INORGANIC HYBRIDS; LUMINESCENT PROPERTIES; METAL NANOPARTICLES; DENDRIMER COMPLEXES; ENERGY-TRANSFER; QUANTUM YIELDS; EMISSION; PHOTOLUMINESCENCE; LIGAND; IONS;
D O I：
10.1039/c4ra05577b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel beta-diketone-functionalized POSS dendrimer was initially prepared from octamercaptopropyl-substituted polyhedral oligomeric silsesquioxane (POSS) and diethyl allylmalonate by a photochemical thiol-ene reaction. The POSS dendrimer was used as a ligand to coordinate with lanthanide ions (Eu3+ and Tb3+) to form hybrid luminescent complexes. The resulting hybrid lanthanide complexes were incorporated into the PMMA matrix via in situ polymerization. Morphology study suggested that these hybrid complexes assembled into spherical particles with a diameter of approximately 100 nm and could be well dispersed in PMMA matrix. The resultant hybrid luminescent PMMA based on POSS exhibited highly saturated color and good thermal stability.
引用
收藏
页码：39132 / 39139
页数：8
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