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首页> 外文期刊>Advanced Functional Materials >Impedance Measurements as a Simple Tool to Control the Quality of Conjugated Polymers Designed for Photovoltaic Applications
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Impedance Measurements as a Simple Tool to Control the Quality of Conjugated Polymers Designed for Photovoltaic Applications

机译：阻抗测量是控制光伏应用中共轭聚合物质量的简单工具

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摘要

The problem of batch-to-batch variation of electronic properties and purity of conjugated polymers used as electron donor and photon harvesting materials in organic solar cells is addressed. A simple method is developed for rapid analysis of electronic quality of polymer-based materials. It is shown that appearance of impurities capable of charge trapping changes electro-physical properties of conjugated polymers. In particular, a clear correlation between the effective relaxation time Teff and relative photovoltaic performance (η/ηax) is revealed for samples of poly(3-hexylthiophene) intentionally polluted with a palladium catalyst. This dependence is also valid for all other investigated samples of conjugated polymers. Therefore, fast impedance measurements at three different frequencies allow one to draw conclusions about the purity of the analyzed polymer sample and even estimate its photovoltaic performance. The developed method might find extensive applications as a simple tool for product quality control in the laboratory and industrial-scale production of conjugated polymers for electronic applications.
机译：解决了在有机太阳能电池中用作电子给体和光子收集材料的共轭聚合物的电子性能和纯度之间逐批次变化的问题。开发了一种简单的方法来快速分析聚合物基材料的电子质量。结果表明，能够捕获电荷的杂质的出现改变了共轭聚合物的电物理性质。特别地，对于故意被钯催化剂污染的聚（3-己基噻吩）样品，显示了有效弛豫时间Teff和相对光伏性能（η/ηax）之间的明显关联。这种依赖性对于所有其他研究的共轭聚合物样品也是有效的。因此，在三个不同频率下的快速阻抗测量结果使人们可以得出关于所分析聚合物样品纯度的结论，甚至可以估算其光伏性能。所开发的方法可能会作为简单的工具在实验室和工业规模生产电子应用的共轭聚合物中作为产品质量控制的简单工具而得到广泛应用。

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  • 来源
    《Advanced Functional Materials》 |2010年第24期|p.4351-4357|共7页
  • 作者

    Pavel A. Troshin; Diana K. Susarova; Yury L Moskvin; llya E. Kuznetsov; Sergei A. Ponomarenko; Ekaterina N. Myshkovskaya; Ksenya A. Zakharcheva; Alexander A. Balakai; Sergei D. Babenko; Vladimir F. Razumov;

  • 作者单位

    Institute for Problems of Chemical Physics of Russian Academy of Sciences Semenov Prospect 5 Chernogolovka, Moscow region, 142432, Russia;

    Institute for Problems of Chemical Physics of Russian Academy of Sciences Semenov Prospect 5 Chernogolovka, Moscow region, 142432, Russia;

    Institute for Energy Problems of Chemical Physics Russian Academy of Sciences, Branch Semenov Prospect 1/10, Chernogolovka Moscow region, 142432, Russia;

    Institute for Energy Problems of Chemical Physics Russian Academy of Sciences, Branch Semenov Prospect 1/10, Chernogolovka Moscow region, 142432, Russia;

    Institute of Synthetic Polymeric Materials of Russian Academy of Sciences 70 Profsoyuznaya St., Moscow 117393, Russia;

    Institute of Synthetic Polymeric Materials of Russian Academy of Sciences 70 Profsoyuznaya St., Moscow 117393, Russia;

    Institute for Problems of Chemical Physics of Russian Academy of Sciences Semenov Prospect 5 Chernogolovka, Moscow region, 142432, Russia;

    Institute for Energy Problems of Chemical Physics Russian Academy of Sciences, Branch Semenov Prospect 1/10, Chernogolovka Moscow region, 142432, Russia;

    Institute for Energy Problems of Chemical Physics Russian Academy of Sciences, Branch Semenov Prospect 1/10, Chernogolovka Moscow region, 142432, Russia;

    Institute for Problems of Chemical Physics of Russian Academy of Sciences Semenov Prospect 5 Chernogolovka, Moscow region, 142432, Russia;

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