可溶性聚吡咯的合成及其光致发光性能

王婉秦; 于德梅; 田峰

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可溶性聚吡咯的合成及其光致发光性能

更新时间：2025-07-09

- 可溶性聚吡咯的合成及其光致发光性能
- Synthesis and Photoluminescence Properties of a Soluble Polypyrrole
- 西安交通大学学报 2009年43卷第11期页码：121-124
- 作者机构：
  
  西安交通大学理学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O621
- 网络首发：2009-11-10，
  
  纸质出版：2009
- 稿件说明：
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王婉秦, 于德梅, 田峰. 可溶性聚吡咯的合成及其光致发光性能[J]. 西安交通大学学报, 2009,43(11):121-124.

Synthesis and Photoluminescence Properties of a Soluble Polypyrrole[J]. 2009, 43(11): 121-124.
王婉秦, 于德梅, 田峰. 可溶性聚吡咯的合成及其光致发光性能[J]. 西安交通大学学报, 2009,43(11):121-124. DOI：

Synthesis and Photoluminescence Properties of a Soluble Polypyrrole[J]. 2009, 43(11): 121-124. DOI：

摘要

以三氯化铁为氧化剂

采用一步法制备了N-乙烯吡咯的聚合物

通过红外光谱和核磁共振表征了聚合物结构

采用紫外光谱、扫描电镜和荧光光谱研究了聚合物的形貌和光致发光性.实验表明

聚合物易溶于常见的有机溶剂

可通过旋转涂膜法制备出表面均匀的棕色薄膜.荧光光谱研究表明:聚合物在四氢呋喃溶液中表现出良好的光致发光性能

以430 nm最佳波长激发时

聚合物的最大发射波长为520 nm

发绿光; 当聚合物质量分数在0.007%～0.5%之间时

随溶液浓度增大

最大发射波长逐渐红移

最大荧光强度随溶液浓度提高呈现先增大后减小的变化趋势

当聚合物质量分数为0.03%时

荧光强度达到最大值.

Abstract

A soluble polymer was synthesized by chemical oxidative polymerization based on N-vinylpyrrole. The structure of the resulting polymer was characterized by FT-IR and

H-NMR. The results revealed that the polymer was comprised by polypyrrole and poly ethylene. The investigation to the polymer morphologies by scanning electron microscopy(SEM)showed that the film formed by casting from organic solutions was uniform and smooth. The photoluminescence spectra of the polymer in organic solutions were also analyzed. At 430 nm excitation

the polymer in THF solution exhibited a strong green-emission band at around 520 nm. The emission peak in THF solution exhibited red-shift with the increasing concentration of the solution

while the relationship of polymer intensity and concentration was nonlinear. The polymer intensity reached a maximum value at a mass fraction of 0.03% of the solution.

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references

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