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材料导报  2020, Vol. 34 Issue (8): 8184-8187    https://doi.org/10.11896/cldb.19020038
  高分子与聚合物基复合材料 |
电化学沉积法制备PEDOT/PEDOT∶PSS基柔性纳米纤维膜及其热电性能
金胜男, 孙婷婷, 王明辉, 江莞
东华大学材料科学与工程学院,纤维材料改性国家重点实验室,上海 201620
Preparation of PEDOT/PEDOT∶PSS-based Flexible Nanofiber Film and Its Thermoelectric Properties by Electrochemical Deposition
JIN Shengnan, SUN Tingting, WANG Minghui, JIANG Wan
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
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摘要 通过静电纺丝技术制备柔性热电薄膜是一种非常可行的方法,制得的纳米纤维会随机交叉排列形成多孔结构。该结构不仅可以增强薄膜的变形能力、柔性和延展性,还可以增加纳米纤维膜中低热导率的非流动空气的含量,有利于降低纳米纤维膜的导热系数,然而目前对于静电纺丝在柔性热电领域应用的相关研究非常少。本工作通过静电纺丝技术制备了具有良好自支撑性和柔性的聚(3,4-乙烯二氧噻吩)∶聚对苯乙烯磺酸钠(PEDOT∶PSS)基纳米纤维膜,并结合电化学聚合法在该纳米纤维表面沉积了PEDOT导电层,得到了PEDOT/PEDOT∶PSS基热电纳米纤维膜。研究发现,聚合电位和单体浓度对热电纳米纤维膜的导电率有很大影响,最终在聚合电位为1.5 V、单体浓度为0.03 mol/L时,电导率和塞贝克系数分别为9.582 S·cm-1和26.7 μV·K-1,最优PF值可达0.68 μW·m-1·K-2。
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金胜男
孙婷婷
王明辉
江莞
关键词:  PEDOT∶PSS  静电纺丝  电化学沉积  柔性热电材料    
Abstract: The preparation of flexible thermoelectric films by electrospinning is a very feasible method. The nanofibers are arranged randomly under electric field and form a porous structure, which not only increase the deformability, flexibility and ductility of nanofiber film, but also increase the content of non-flowing air with low thermal conductivity in nanofibers and this is conducive to reducing the thermal conductivity of the film. Howe-ver, there are few studies currently on the application of electrospinning in the field of flexible thermoelectric materials. In this paper, poly(3,4-ethylenedioxythiophene)∶poly(styrenesulfonate)-based (PEDOT∶PSS-based) nanofiber film with good self-supporting and flexibility was prepared by electrospinning. Then through electrochemical polymerization, PEDOT/PEDOT: PSS based thermoelectric nanofiber film was obtained. It was found that the polymer potential and monomer concentration had great influences on the conductivity of thermoelectric nanofiber film. At the polymerization potential of 1.5 V and monomer concentration of 0.03 mol/L, the conductivity and Seebeck coefficient were 9.582 S·cm-1 and 26.7 μV·K-1 respectively. The optimal PF value was 0.68 μW·m-1·K-2.
Key words:  PEDOT∶PSS    electrospinning    electrochemical deposition    flexible thermoelectric material
                    发布日期:  2020-04-25
ZTFLH:  TN304.82  
基金资助: 上海市科学技术委员会(18JC1411200)
通讯作者:  wmh@dhu.edu.cn   
作者简介:  金胜男,东华大学材料物理与化学专业在读硕士。
王明辉,东华大学实验师。
引用本文:    
金胜男, 孙婷婷, 王明辉, 江莞. 电化学沉积法制备PEDOT/PEDOT∶PSS基柔性纳米纤维膜及其热电性能[J]. 材料导报, 2020, 34(8): 8184-8187.
JIN Shengnan, SUN Tingting, WANG Minghui, JIANG Wan. Preparation of PEDOT/PEDOT∶PSS-based Flexible Nanofiber Film and Its Thermoelectric Properties by Electrochemical Deposition. Materials Reports, 2020, 34(8): 8184-8187.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.19020038  或          http://www.mater-rep.com/CN/Y2020/V34/I8/8184
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