Preparation of two novel Schiff base polymers and their Eu (III)/Yb (III) complexes

Dingjun Zhang,Caixia Huo,Ling He,Youzhi Wu,Zhaoxuan Feng,Wenjiang Lu

doi:10.1680/jemmr.16.00087

Abstract

A series of novel Schiff base photosensitive polymers with coordination property were synthesized through a condensation reaction. Then using the Schiff base photosensitive polymers as macromolecular ligands, a series of polymer rare-earth complexes were prepared through a coordination reaction. The structure of the polymer and their corresponding complex was performed by means of Fourier transform infrared and ultraviolet spectroscopy; the fluorescence properties of the complex were mainly investigated by fluorescence spectroscopy, and the thermal property was investigated by differential scanning calorimetry and thermogravimetric analysis. The luminescence properties of the europium (Eu) (III)/ytterbium (Yb) (III) complex in dimethylformamide solutions were investigated. The experimental results show that the complexes have fine thermal stability and all the europium (III)/ytterbium (III) complexes exhibit characteristic photoluminescence peaks in the visible region and the results indicate that the complexes are promising in the field of light-emitting materials and can be further mixed with a suitable polymer to form functional rare-earth polymers.

Highlights

In recent years, photosensitive polymers with coordination property and their rare-earth complexes have attracted significant attention due to their high thermal stability, chemical resistance, optoelectronic properties and efficient blue photoluminescent (PL) and electroluminescent (EL) properties
Photosensitive polymers with coordination property and their rare-earth complexes have attracted significant attention due to their high thermal stability, chemical resistance, optoelectronic properties and efficient blue photoluminescent (PL) and electroluminescent (EL) properties. These functional polymers can coordinate with rare-earth ions but can sensitize the fluorescence emission of rare-earth ions
Schiff base polymer ligands with a symmetrical structure can make the system more uniform

Summary

Introduction

Photosensitive polymers with coordination property and their rare-earth complexes have attracted significant attention due to their high thermal stability, chemical resistance, optoelectronic properties and efficient blue photoluminescent (PL) and electroluminescent (EL) properties. These functional polymers can coordinate with rare-earth ions but can sensitize the fluorescence emission of rare-earth ions.. Schiff base polymer ligands with a symmetrical structure can make the system more uniform.20 Another very attractive possibility is to develop such ASBPs and their rare-earth complexes as task-specific materials. One of the important tasks to improve their application as functionalized materials is the synthesis of suitable Schiff base polymers and their rare-earth complexes.

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Results

Conclusion