In-line, roll-to-roll morphology analysis of organic solar cell active layers,Energy & Environmental Science

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In-line, roll-to-roll morphology analysis of organic solar cell active layers
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2017-09-28 00:00:00 , DOI: 10.1039/c7ee01900a
Lea Hildebrandt Rossander _{1,

2,

3} , Henrik Friis Dam _{1,

2,

3} , Jon Eggert Carlé _{1,

2,

3} , Martin Helgesen _{1,

2,

3} , Ivan Rajkovic _{4,

5,

6} , Michael Corazza _{1,

2,

3} , Frederik Christian Krebs _{1,

2,

3} , Jens Wenzel Andreasen _{1,

2,

3}

Affiliation

We present the first comparative in situ small and wide angle X-ray scattering study of two polymers that are relevant for organic photovoltaics, during coating on a flexible substrate. From the obtained measurements we identified several differences between the drying of the two polymers. The polymer optimized for roll-to-roll coating attained its final morphological packing nearly instantly after deposition, and had the shortest drying profile. We therefore conclude that fast-drying polymers which are influenced less by drying temperature or substrate inhomogeneities are better suited for roll-to-roll coating, and that fundamentally, the kinetics of drying dominate the process in the case of roll-to-roll slot-die coating.

中文翻译：

在线，卷对卷形态分析有机太阳能电池活性层

我们提出的第一比较原位两种聚合物有关的有机光伏器件，在柔性基板上涂布时的小和广角X射线散射分析。根据获得的测量值，我们确定了两种聚合物干燥之间的几个差异。为卷对卷涂层优化的聚合物在沉积后几乎立即达到了最终的形态堆积，并且干燥曲线最短。因此，我们得出结论，受干燥温度或基材不均匀性影响较小的快干聚合物更适合于卷对卷涂布，并且从根本上说，在卷对卷狭缝的情况下，干燥动力学主导着整个工艺模涂料。

更新日期：2017-11-08

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