Silsesquioxane-Terpyridine Nano Building Blocks for the Design of Three-Dimensional Polymeric Networks

被引：37

作者：

Carbonell, Esther ^{[1
]}

Bivona, Lucia A. ^{[1
]}

Fusaro, Luca ^{[1
]}

Aprile, Carmela ^{[1
]}

机构：

[1] Univ Namur, Dept Chem, Unit Nanomat Chem CNano, Rue Bruxelles 61, B-5000 Namur, Belgium

来源：

INORGANIC CHEMISTRY | 2017年 / 56卷 / 11期

关键词：

SUPRAMOLECULAR POLYMERS; ORGANIC HYBRID; CROSS-LINKING; METAL; COORDINATION; METALLOPOLYMERS; LIGANDS; POSS; COMPLEXATION; NANOSCALE;

D O I：

10.1021/acs.inorgchem.7b00471

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Novel polyhedral oligomeric silsesquioxanes (POSS) decorated with eight terpyridine moieties were synthesized in a one-pot procedure via Heck coupling reaction with the aim of investigating the possible formation of three-dimensional extended supramolecular organizations. The monosubstituted analogue was also prepared and used as a model compound. Both POSS-based nanostructures were extensively characterized via H-1, C-13, and Si-29 nuclear magnetic resonance (NMR), ultravioletvisible spectroscopies and combustion chemical analysis. The assembly of these nanocaged bricks and two different metal ions (Zn2+ and Fe2+) was investigated via H-1 NMR as well as absorption and emission spectroscopy. Both mono- and octa-terpyridine-functionalized POSS (O-POSS) displayed interesting photophysical properties. Moreover, under selected conditions, the O-POSS forms stable gels at room temperature and can easily be shaped in the form of a film with potential applications in nanotechnology.

引用

页码：6393 / 6403

页数：11

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