Semiconducting Polymer Spherulites—From Fundamentals to Polymer Electronics,Macromolecular Rapid Communications

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Semiconducting Polymer Spherulites—From Fundamentals to Polymer Electronics
Macromolecular Rapid Communications ( IF 4.2 ) Pub Date : 2018-11-16 , DOI: 10.1002/marc.201800601
Carsten Dingler ₁ , Klaus Dirnberger ₁ , Sabine Ludwigs ₁

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The control of the morphology of semiconducting semicrystalline polymers is crucial to the performance of various electronic devices. Among other superstructures in semicrystalline polymers, spherulites stand out for various reasons. They are highly ordered, relatively easy to grow, and their underlying molecular structure provides anisotropic optical and electronic properties of the resulting polymeric material. In this feature article, a short overview of classical crystallization theory is given as well as a brief introduction to spherulites as supermolecular structures. The article then focuses on semicrystalline polymers with semiconducting properties. From classical melt crystallization toward solvent vapor annealing, different strategies of growing spherulites of these types of polymers are presented and examples of the corresponding polymers and their resulting morphology are given. Eventually, the potential application of spherulitic thin films in organic electronics such as field‐effect transistors is demonstrated. Conductivity and mobility measurements are shown, particularly focusing on the anisotropy of the latter.

中文翻译：

半导体聚合物球晶-从基本原理到聚合物电子学

半导体半结晶聚合物形态的控制对于各种电子设备的性能至关重要。在半结晶聚合物的其他上部结构中，球晶因各种原因而脱颖而出。它们是高度有序的，相对易于生长，并且它们下面的分子结构提供了所得聚合物材料的各向异性光学和电子性质。在这篇专题文章中，简要概述了经典结晶理论，并对球晶作为超分子结构进行了简要介绍。然后，本文重点介绍具有半导体性能的半结晶聚合物。从经典的熔体结晶到溶剂蒸气退火，提出了这些类型的聚合物的球晶生长的不同策略，并给出了相应聚合物的例子及其形成的形态。最终，证明了球形薄膜在有机电子器件（例如场效应晶体管）中的潜在应用。显示了电导率和迁移率的测量值，特别是后者的各向异性。

更新日期：2018-11-16

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