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Nanoscale structure measurements for polymer-fullerene photovoltaics

机译：聚合物富勒烯光伏材料的纳米级结构测量

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摘要

This review covers methods to measure key aspects of nanoscale structure in organic photovoltaic devices based on polymer-fullerene bulk heterojunctions. The importance of nanoscale structure to the power conversion efficiency and stability of these devices has been recognized, but robust correlations have yet to emerge despite a significant community-wide research investment. Our perspective is that more uniform selection, execution, and interpretation of nanoscale structure measurements will accelerate this endeavor. We will discuss organic bulk heterojunction structural measurements of contemporary interest and importance including vertical stratification, molecular orientation and order, and nanoscale morphology. Specific recommendations are made regarding the technical implementation of some popular techniques, with an eye toward the elimination of artifacts, ambiguous data, and misinterpretation. When possible, topics are highlighted where there is a community consensus on the results of nanoscale structure measurements and how they may relate to organic photovoltaic device performance.
机译：这篇综述涵盖了测量基于聚合物-富勒烯本体异质结的有机光伏器件中纳米级结构关键方面的方法。纳米结构对这些设备的功率转换效率和稳定性的重要性已得到公认，但尽管在社区范围内进行了大量的研究投资，但仍未出现牢固的相关性。我们的观点是，纳米结构测量的更统一的选择，执行和解释将加速这一努力。我们将讨论具有当代意义和重要性的有机本体异质结结构测量，包括垂直分层，分子取向和有序性以及纳米级形态。针对某些流行技术的技术实现提出了具体建议，以期消除伪影，模糊数据和误解。在可能的情况下，将在社区就纳米级结构测量结果及其与有机光伏器件性能的关系达成共识的地方，突出主题。

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  • 来源
    《Energy & environmental science》 |2012年第3期|p.5980-5993|共14页
  • 作者

    Dean M. DeLongchamp; R. Joseph Kline; Andrew Herzing;

  • 作者单位

    National Institute of Standards and Technology, 100 Bureau Dr.,Gaithersburg, Maryland, 20899, United States;

    National Institute of Standards and Technology, 100 Bureau Dr.,Gaithersburg, Maryland, 20899, United States;

    National Institute of Standards and Technology, 100 Bureau Dr.,Gaithersburg, Maryland, 20899, United States;

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