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首页> 外文期刊>Journal of Applied Physics >Photovoltaic behavior of polymerizable ionic liquid based fixed-junction light-emitting electrochemical cells
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Photovoltaic behavior of polymerizable ionic liquid based fixed-junction light-emitting electrochemical cells

机译：可聚合离子液体液体液体固定结发光电化学电化学电化学电池的光伏作用

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摘要

Since their initial demonstration in 1995,light-emitting electrochemical cells (LECs) have received attention due to potential advantages over traditional polymer optoelectronic devices. A standard LEC consists of two electrodes surrounding an active layer that contains polymer and mobile ions. When a bias is applied,the ions separate and move toward the electrodes,creating a reversible p-n junction analog. Immobilizing the ions after ion dissociation using one of several demonstrated methods to create a "fixed-junction LEC" allows the device to produce a significant photovoltaic response. Recently,our group demonstrated chemically fixed junction LECs using a polymerizable ionic liquid (ATOA-AS) that conferred important advantages over first-generation chemically fixed junction devices,including improved phase compatibility and turn-on time. Early tests showed improvements in the performance of these devices over the first chemically fixed junctions in terms of light-emitting properties. However,their photovoltaic behavior has not been previously investigated. In this paper,we demonstrate photovoltaic behavior in chemically fixed junction LECs based on the polymerizable ionic liquid ATOA-AS as the ion source. While further improvements in the photovoltaic performance of fixed-junction devices still need to be made before they are considered a commercially viable technology,we find that the devices reported here compare well to other single-layer polymer homojunction solar cells and demonstrate an exceptionally high V_(OC) (＞1.8V for some configurations). We also explore the effects that changes to various aspects of device composition and testing procedures have on device performance.
机译：自1995年的初始示范以来，由于传统聚合物光电器件的潜在优势，发光电化学电影电池（LEC）受到了关注。标准LEC由两个电极组成，围绕含有聚合物和移动离子的有源层。当施加偏压时，离子分开并朝向电极移动，形成可逆的P-n结模拟。使用几种说明的方法中的一种来固定离子解离后的离子，以产生“固定结LEC”允许该装置产生显着的光伏响应。最近，我们的组使用可聚合的离子液体（ATOA-AS）来演示化学固定的结LEC，该聚合物液体（ATOA-AS）达到了第一代的化学固定结装置的重要优势，包括改进的相位兼容性和接头时间。在发光性质方面，早期测试表明这些器件在第一化学固定结中的性能提高。然而，先前未调查它们的光伏行为。在本文中，我们在基于可聚合离子液体ATOA-AS作为离子源的化学固定结LEC中的光伏行为。虽然在被认为是一种商业上可行的技术之前，需要进行固定结装置的光伏性能的进一步改进，但是在这里报告的设备对其他单层聚合物同源结太阳能电池进行了比较，并且表现出极高的V_ （OC）（> 1.8V用于某些配置）。我们还探讨了对设备组成和测试程序的各个方面的改变的影响，具有设备性能。

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  • 来源
    《Journal of Applied Physics》 |2021年第7期|075501.1-075501.8|共8页
  • 作者

    A.N.Hayes; C.R.Sampson; A.A.Garcia; J.M.Leger;

  • 作者单位

    Department of Physics and Astronomy Western Washington University Bellingham Washington 98225-9164 USA;

    Department of Physics and Astronomy Western Washington University Bellingham Washington 98225-9164 USA;

    Department of Physics and Astronomy Western Washington University Bellingham Washington 98225-9164 USA;

    Department of Physics and Astronomy Western Washington University Bellingham Washington 98225-9164 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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