Fluorescence Behavior and Emission Mechanisms of Poly(ethylene succinamide) and Its Applications in Fe<sup>3+</sup> Detection and Data Encryption

Xubao Jiang; Qinghui Wang; Bin Li; Shusheng Li; Xiang Zheng Kong

doi:10.1007/s10118-022-2826-x

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Fluorescence Behavior and Emission Mechanisms of Poly(ethylene succinamide) and Its Applications in Fe³⁺ Detection and Data Encryption

RESEARCH ARTICLE | Updated：2022-12-19

- Fluorescence Behavior and Emission Mechanisms of Poly(ethylene succinamide) and Its Applications in Fe³⁺ Detection and Data Encryption
- Fluorescence Behavior and Emission Mechanisms of Poly(ethylene succinamide) and Its Applications in Fe³⁺ Detection and Data Encryption
- 高分子科学（英文版） 2023年41卷第1期页码：129-142
- Affiliations：
  
  a.College of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China
  b.Québec Center for Functional Materials, Department of Chemistry, Université de Sherbrooke, Sherbrooke QC J1K2R1, Canada
- Author bio：
  
  xzkong@ujn.edu.cn
- Funds：
  
  This work was financially supported by Natural Science Foundation of Shandong Province (Nos. ZR2019MB031 and ZR2021MB112) and Science and Technology Bureau of Jinan city (No.2021GXRC105), Shandong Province, China.;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-022-2826-x.
- DOI：10.1007/s10118-022-2826-x
  中图分类号：
- 收稿：2022-04-30，
  
  修回：2022-6-5，
  
  录用：2022-6-13，
  
  网络首发：2022-09-26，
  
  纸质出版：2023-01-01
- Accepted：
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Jiang, X.; Wang, Q.; Li, B.; Li, S.; Kong, X. Z. Fluorescence behavior and emission mechanisms of poly(ethylene succinamide) and its applications in Fe³⁺ detection and data encryption. Chinese J. Polym. Sci. 2023, 41, 129–142 DOI: 10.1007/s10118-022-2826-x.

Xubao Jiang, Qinghui Wang, Bin Li, et al. Fluorescence Behavior and Emission Mechanisms of Poly(ethylene succinamide) and Its Applications in Fe³⁺ Detection and Data Encryption[J]. Chinese Journal of Polymer Science, 2023, 41(1): 129-142. DOI: 10.1007/s10118-022-2826-x.
Jiang, X.; Wang, Q.; Li, B.; Li, S.; Kong, X. Z. Fluorescence behavior and emission mechanisms of poly(ethylene succinamide) and its applications in Fe³⁺ detection and data encryption. Chinese J. Polym. Sci. 2023, 41, 129–142 DOI: 10.1007/s10118-022-2826-x. DOI：

Xubao Jiang, Qinghui Wang, Bin Li, et al. Fluorescence Behavior and Emission Mechanisms of Poly(ethylene succinamide) and Its Applications in Fe³⁺ Detection and Data Encryption[J]. Chinese Journal of Polymer Science, 2023, 41(1): 129-142. DOI: 10.1007/s10118-022-2826-x. DOI：

摘要

Poly(ethylene succinamide)

PA24

is synthesized through solid phase polycondensation. PA24 is highly emissive as solid and in its solution

and emission mechanism is ascribed to cluster-triggered emission (CTE). Red-shift emissions are occurring with

≤270 and ≥320 nm. Blue-shift is observed with 270

320 nm

and is interpreted through FRET effect.

Abstract

Conventional fluorescent polymers are featured by large conjugation structures. In contrast

a new class of fluorescent polymers without any conjugations is gaining great interest in immerging applications. Polyamide is a typical member of the conjugation-free fluorescent polymers. However

studies on their electrophotonic property are hardly available

although widely used in many fields. Herein

poly(ethylene succinamide)

PA24

is synthesized; its chemical structure confirmed through multiple techniques (NMR

FTIR

XRD

etc

.). PA24 is highly emissive as solid and in its solution at room temperature

and the emission is excitation and concentration dependant

with an unusual blue shift under excitation from 270 nm to 320 nm

a hardly observed phenomenon for all fluorescent polymers. Quite similar emission behavior is also observed under cryogenic condition at 77 K. Its emission behavior is thoroughly studied; the ephemeral emission blue-shift is interpreted through Förster resonance energy transfer. Based on its structures

the emission mechanism is ascribed to cluster-triggered emission

elucidated from multi-analyses (NMR

FTIR

UV absorbance and DLS). In presence of a dozen of competitive metal ions

PA24 emission at 450 nm is selectively quenched by Fe

. PA24 is used as probe for Fe

and H

detections and in data encryption. Therefore

this work provides a novel face of polyamide with great potential applications as sensors in different fields.

关键词

Keywords

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Fluorescence Behavior and Emission Mechanisms of Poly(ethylene succinamide) and Its Applications in Fe3+ Detection and Data Encryption

DOI：10.1007/s10118-022-2826-x

摘要

Abstract

关键词

Keywords

references

Fluorescence Behavior and Emission Mechanisms of Poly(ethylene succinamide) and Its Applications in Fe³⁺ Detection and Data Encryption

Fluorescence Behavior and Emission Mechanisms of Poly(ethylene succinamide) and Its Applications in Fe³⁺ Detection and Data Encryption