离子液体增强PEDOT:PSS薄膜的热电性能

徐超; 张旗; 李鹏程

doi:10.16056/j.2096-7705.2022.01.011

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离子液体增强PEDOT:PSS薄膜的热电性能

研究与探讨 | 更新时间：2026-01-19

- 离子液体增强PEDOT:PSS薄膜的热电性能
- Enhanced Thermoelectric Performance of PEDOT:PSS Thin Film by Ionic Liquid
- 能源研究与管理 2022年第1期页码：71-76
- 作者机构：
  
  武汉工程大学材料科学与工程学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金项目（NSFC51903194）;湖北省教育厅科学技术研究项目（B2020055）
- DOI：10.16056/j.2096-7705.2022.01.011
  中图分类号： TB383.2
- 纸质出版：2022
- 稿件说明：
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徐超, 张旗, 李鹏程. 离子液体增强PEDOT:PSS薄膜的热电性能[J]. 能源研究与管理, 2022,(1):71-76.

徐超, 张旗, 李鹏程. Enhanced Thermoelectric Performance of PEDOT:PSS Thin Film by Ionic Liquid[J]. 2022, (1): 71-76.
徐超, 张旗, 李鹏程. 离子液体增强PEDOT:PSS薄膜的热电性能[J]. 能源研究与管理, 2022,(1):71-76. DOI： 10.16056/j.2096-7705.2022.01.011.

徐超, 张旗, 李鹏程. Enhanced Thermoelectric Performance of PEDOT:PSS Thin Film by Ionic Liquid[J]. 2022, (1): 71-76. DOI： 10.16056/j.2096-7705.2022.01.011.

摘要

为研究离子液体(IL)添加剂对聚(3

4-乙烯二氧噻吩)：聚苯乙烯磺酸盐(PEDOT:PSS)薄膜热电性能的影响，制备了一系列不同IL质量分数的PEDOT:PSS/IL薄膜，进行了电导率、塞贝克系数的测试及热电器件输出特性的分析。结果表明：在IL质量分数为50%时，PEDOT:PSS/IL薄膜的电导率达到最高为384 S/cm，塞贝克系数为28.1μV/K，在室温下热电功率因子高达30.3μW/(m·K

)，远高于初始不添加IL的PEDOT:PSS薄膜。热电器件测试结果表明，在10 K的温差下，产生的最大输出功率为0.54 nW。研究表明离子液体能有效提升PEDOT:PSS薄膜的热电性能，并适合应用于柔性热电发电机中。

Abstract

To investigate the effect of ionic liquid（IL） additive on the thermoelectric properties of poly（3

4 ethylenedioxythiophene）:poly styrene sulfonate（PEDOT:PSS） films

a series of PEDOT:PSS/IL films with different IL contents were prepared

their electric conductivity and Seebeck coefficient were charaterized and the performance of thermoelectric device was analyzed. The results indicated that the highest conductivity of PEDOT:PSS/IL films was 384 S/cm at 50% IL content

the Seebeck coefficient reached 28.1 μV/K

and the power factor was up to 30.3 μW（m·K~2） at room temperature

which was much higher than that of the pristine PEDOT:PSS films. The test results of the thermoelectric devices showed that the maximum output power generated was 0.54 nW at a temperature difference of 10 K. This study showed that the ionic liquid could effectively enhance the thermoelectric properties of the PEDOT:PSS films

and can be used in flexible thermoelectric generator.

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Keywords

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