| 聚（3，4-乙撑二氧噻吩）:聚苯乙烯磺酸阳极缓冲材料的改性研究 |
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| 引用本文： | 李昱达,李 琪,汪 锋.聚（3，4-乙撑二氧噻吩）:聚苯乙烯磺酸阳极缓冲材料的改性研究[J].武汉工程大学学报,2021,43(2):169-180. |
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| 作者姓名： | 李昱达 李 琪 汪 锋 |
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| 作者单位： | 武汉工程大学化工与制药学院，湖北 武汉 430205 |
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| 摘 要： | 聚（3，4-乙撑二氧噻吩）:聚苯乙烯磺酸（PEDOT:PSS）是导电聚合物领域的明星分子，具备可见光透过率高、易低温溶液加工且廉价等优点，常作为标准阳极缓冲材料（ABM）广泛应用于叠层有机光电器件领域中。然而，随着半导体材料和器件结构的飞速发展，对ABM提出了更高要求，当前PEDOT:PSS的性质参数无法很好满足新一代有机光电器件的需要（如电导率较低、功函数较小、酸性较强和亲水性较强等），成为制约有机光电器件性能提升的重要瓶颈。改变导电聚合物的结构可有效优化其性质参数、大幅提升有机光电器件性能，备受关注。本文首先详细阐述PEDOT:PSS的结构特征（包括溶液和固体两种状态的结构特征），揭示PEDOT:PSS的结构与性质的关系，然后综述外加剂和新型掺杂剂（PSS替代物）改变PEDOT导电聚合物结构和性质的改性研究进展，最后展望PEDOT:PSS ABM领域的改性研究发展趋势。
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| 关 键 词： | 聚（3 4-乙撑二氧噻吩） 阳极缓冲材料 改性 结构与性质 有机光电器件 |
Modification of Poly（3，4-Ethylenedioxythiophene）:Poly（Styrene Sulfonic Acid） Anode Buffer Material |
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| Authors: | LI Yuda LI Qi WANG Feng |
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| Affiliation: | School of Chemical Engineering and Pharmacy，Wuhan Institute of Technology，Wuhan 430205， China |
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| Abstract: | Poly（3，4-ethylenedioxythiophene） doped with polystyrene sulfonic acid （PEDOT:PSS）， as the most remarkable conducting polymer， has been widely used as the standard anode buffer material（ABM） in organic optoelectronic devices owing to its advantages of high transmittance in visible region， low-temperature solution processable and cheapness. With the rapid development of semiconductor materials and device configurations， higher requirements have been put forward for ABM. For the standard ABM of PEDOT:PSS， its properties parameters of conductivity， work function， acidity and hydrophilicity etc. are unable to meet the requirements of the new generation of organic optoelectronic devices well， which have already become the bottleneck of performance enhancement of organic optoelectronic devices. Changing the structure of conducting polymer is an effective strategy for improving the properties of conducting polymer and enhancing the performance of organic optoelectronic devices. In this review， firstly， the structure and properties of PEDOT:PSS in solution and film states were introduced in detail， respectively， and the correlation between the structure and properties of PEDOT:PSS was revealed. Secondly， an overview of the study on changing the structure and properties of PEDOT conducting polymer by treating the PEDOT:PSS with additives and applying novel dopant instead of PSS to prepare novel PEDOT conducting polymer was summarized. Finally， the future development of the modification of PEDOT:PSS ABM was proposed. |
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| Keywords: | poly（3 4-ethylenedioxythiophene） anode buffer material modification structure and properties organic optoelectronic devices |
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