发光性质可调的金属-有机骨架材料 的合成及发光性质

李宗群; 张 敏; 裘灵光

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发光性质可调的金属-有机骨架材料的合成及发光性质

论文 | 更新时间：2020-08-12

- 发光性质可调的金属-有机骨架材料的合成及发光性质
- Synthesis and Fluorescent Property of Metal-organic Frameworks with Tunable Fluorescence
- 发光学报 2010年31卷第3期页码：421-426
- 作者机构：
  
  1. 安徽大学化学化工学院,安徽合肥,230039
  2. 蚌埠学院理学系,安徽蚌埠,233000
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O482.31
- 收稿日期：2009-06-16，
  
  修回日期：1900-01-02，
  
  网络出版日期：2010-06-30，
  
  纸质出版日期：2010-06-30
- 稿件说明：
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李宗群, 张敏, 裘灵光. 发光性质可调的金属-有机骨架材料的合成及发光性质[J]. 发光学报, 2010,31(3):421-426.

LI Zong-qun, ZHANG Min, QIU Ling-guang. Synthesis and Fluorescent Property of Metal-organic Frameworks with Tunable Fluorescence[J]. Chinese journal of luminescence, 2010, 31(3): 421-426.
李宗群, 张敏, 裘灵光. 发光性质可调的金属-有机骨架材料的合成及发光性质[J]. 发光学报, 2010,31(3):421-426. DOI：

LI Zong-qun, ZHANG Min, QIU Ling-guang. Synthesis and Fluorescent Property of Metal-organic Frameworks with Tunable Fluorescence[J]. Chinese journal of luminescence, 2010, 31(3): 421-426. DOI：

摘要

以对苯二甲酸(H

BDC)为配体

以锌为中心离子

采用沉淀法合成了具有一维结构的金属配合物纳米晶

将化合物分散到不同浓度的8-羟基喹啉(8-Hq)溶液中

得到系列配位聚合物。分别用FT-IR和XRD对目标产物的结构进行了表征。固态发光性质研究显示: 及其配位聚合物具有强的发光

配位聚合物随着8-Hq量的增加

其发光发射光谱有规律地红移

表明该配位聚合物能够通过改变8-Hq与骨架材料间的量的比实现对材料发光性质的调控。

Abstract

Nanoporous metal-organic frameworks (MOFs) materials have been developed rapidly in recent years. The materials were constructed of organic ligands and metal ions. Multi-functional MOFs materials were designed by different organic ligands and metal ions

i.e.

and 1

4-benzenedicarboxylic acid (H

BDC) can assembled to 1-D

2-D

3-D MOFs materials. They can be applied in gas storage

chiral separation

catalysis

molecular magnet and photoelectric material. However

only a few examples of porous MOFs with open metal sites have been illustrated for their functional properties

mainly because of the difficulty of constructing robust MOFs that hold open metal sites.In this paper

BDC and Zn

are chosen to synthesize 1-D MOF by using precipitation method

which is a facile and environmentally friend method. A series of coordination polymers

i.e.

were obtained by substitution and adsorption in the reaction of with different content of 8-hydroxyquinoline. Their structures were characterized by XRD and FT-IR . The results of XRD show no structure change in low content of 8-hydroxyquinoline. How-ever

when

(8-Hq) ∶

( )=1 ∶ 20

the peaks of XRD have obviously difference to standard chart. It may be attribute to 8-Hq substituting coordination water. When

(8-Hq) ∶

( )﹥1 ∶ 1

coordination water was substituted whole

and the adsorption effects is dominant. TEM images showed nanocrystals of are grown with increase of 8-Hq concentration.Nanocrystals of and exhibit strong solid state fluorescence properties. Fluorescence emission spectra revealed that the wavelength of maximum emission (

) redshifts regularly with increasing the amounts of 8-hydroxyquinoline

redshifts from 376 nm to 428 nm with

(8-Hq) ∶

( )=1 ∶ 200~1 ∶ 80. Changing the ratio of

(8-Hq) ∶

=4 ∶ 1

redshifts to 528 nm. These phenomena were explained rationally by fluorescence area integral. The results suggest that emission spectrum can be tuned by varying ratio of to 8-hydroxyquinoline. These kind of metal-organic frameworks have potential applications for display devices

fluorescence imaging

and fluorescence label

and so on.

关键词

Keywords

references

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