Non-conjugated AIE Polymers Prepared by Hydrothermal Reaction and Its Application in Fe<sup>3+</sup> Detection

Chen-xi Hu; Xiao-hong Zhang; Jin-liang Qiao

doi:10.11777/j.issn1000-3304.2020.20215

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Non-conjugated AIE Polymers Prepared by Hydrothermal Reaction and Its Application in Fe³⁺ Detection

Research Article | 更新时间：2021-03-05

- Non-conjugated AIE Polymers Prepared by Hydrothermal Reaction and Its Application in Fe³⁺ Detection
- Acta Polymerica Sinica Vol. 52, Issue 3, Pages: 281-286(2021)
- 作者机构：
  
  中国石化北京化工研究院　北京 100013
- 作者简介：
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2020.20215
  CLC：
- Published：3 March 2021，
  
  Published Online：27 October 2020，
  
  Received：17 September 2020，
  
  Revised：12 October 2020，
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Chen-xi Hu, Xiao-hong Zhang, Jin-liang Qiao. Non-conjugated AIE Polymers Prepared by Hydrothermal Reaction and Its Application in Fe³⁺ Detection. [J]. Acta Polymerica Sinica 52(3):281-286(2021)
DOI：

Chen-xi Hu, Xiao-hong Zhang, Jin-liang Qiao. Non-conjugated AIE Polymers Prepared by Hydrothermal Reaction and Its Application in Fe³⁺ Detection. [J]. Acta Polymerica Sinica 52(3):281-286(2021) DOI： 10.11777/j.issn1000-3304.2020.20215.

摘要

以“自稳定沉淀聚合”制备的聚马来酸酐-醋酸乙烯酯线性交替共聚物(PMV)为原料，利用水热法制得3种新型非共轭聚集诱导发光(AIE)聚合物. 通过荧光光谱、紫外-可见光光谱、傅里叶变换红外光谱(FTIR)、X射线光电子能谱分析(XPS)等表征方法，研究了3种聚合物的荧光和结构特性，并考察了其在Fe

检测的应用. 实验结果表明：3种PMV衍生物均具有AIE性质，随着水热时间的延长，聚合物的发光颜色从蓝色红移至黄色，且水热1 h所得产物固体的绝对量子产率最高，可达17.05%；所得非共轭AIE聚合物可用于Fe

检测，当Fe

浓度为5~200 μmol/L时，猝灭效率与Fe

浓度符合线性关系，调整确定系数为0.9922，最低检测限可低至1.22 μmol/L.

Abstract

In recent years

non-conjugated aggregation-induced emission (AIE) polymers without traditional

$${\text{π}}$$

http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=13590955&type=

-aromatic chromophores have attracted much attention. Although there have been many relevant studies focused on oxygen-

nitrogen-

and heteroatom-containing systems

there is still a lack of researches on those polymers with only oxygen groups. In this study

three novel non-conjugated AIE polymers were prepared with hydrothermal method

in which the poly(maleic anhydride-alt-vinyl acetate) (PMV) prepared by “self-stable precipitation polymerization” is regarded as the raw material. The fluorescence and structural properties of these three polymers and their applications in Fe

detection were investigated by using fluorescence spectroscopy

UV-Vis spectroscopy

FTIR

XPS and other characterization methods. It is found that all PMV derivatives have typical AIE characteristcs

and their luminious color is shifted from blue to yellow with the increase of hydrothermal time

in which the maximum emission peaks of these three polymers were 488

527 and 608 nm

respectively. The highest absolute quantum yield of 17.05% is obtained under the condition that the hydrothermal time is 1 h. Structural characterizations exhibit that none of the three polymers had conjugated groups

and the fluorescent mechanism may be ascribed to the intra- and inter-molecular interaction of oxygen-containing groups caused by hydrothermal reaction. Furthermore

the obtained non-conjugated AIE polymers can be effectively used for Fe

detection. Particularly

when the Fe

concentration is 5−200 μmol/L

there is a linear relationship between the quenching efficiency and the Fe

concentration

which could be conformed to Stern-Volmer equation. In this case

the adjustment coefficient of determination is 0.9922

and the limit of detect can be as low as 1.22 μmol/L. This study provided a new strategy to prepare non-conjugated AIE polymers

and further enriched the AIE family.

关键词

聚集诱导发光非共轭聚合物水热法离子检测

Keywords

Aggregation-induced emissionNon-conjugated polymerHydrothermal reactionIon detection

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School of Materials Science and Engineering, University of Science and Technology Beijing

Department of Chemistry, Tsinghua University

College of Chemistry and Materials Science, Sichuan Normal University

College of Materials Science and Engineering, Beijing University of Chemical and Technology

SINOPEC Beijing Research Institute of Chemical Industry

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⁰

Non-conjugated AIE Polymers Prepared by Hydrothermal Reaction and Its Application in Fe3+ Detection

DOI：10.11777/j.issn1000-3304.2020.20215

摘要

Abstract

关键词

Keywords

references

Non-conjugated AIE Polymers Prepared by Hydrothermal Reaction and Its Application in Fe³⁺ Detection