Electronic Structure of Two-Dimensional π-Conjugated Covalent Organic Frameworks,Chemistry of Materials

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Electronic Structure of Two-Dimensional π-Conjugated Covalent Organic Frameworks
Chemistry of Materials ( IF 7.2 ) Pub Date : 2019-02-27 00:00:00 , DOI: 10.1021/acs.chemmater.8b04986
Simil Thomas ₁ , Hong Li ₁ , Cheng Zhong ₁ , Michio Matsumoto ₂ , William R. Dichtel ₂ , Jean-Luc Bredas ₁

Affiliation

Increasing attention is being given to the development of covalent organic frameworks (COFs) that are based on monolayers of fully π-conjugated structures. At first glance, such two-dimensional (2D) polymer networks could simply be viewed as a mere extension into a second dimension of the quasi-one-dimensional (1D) conjugated polymers at the origin of the field of organic electronics. However, such a view misses essential characteristics coming specifically from 2D lattice symmetry. Our aims in this Perspective are twofold. We seek (i) to provide a conceptual, chemistry-oriented theoretical description of the impact on the electronic structure of this extension from 1D to 2D and (ii) to establish chemical structure–symmetry–electronic property relationships for this class of 2D π-conjugated COFs.

中文翻译：

二维π共轭共价有机骨架的电子结构

人们越来越关注基于完全π共轭结构单层的共价有机骨架（COF）的开发。乍一看，这种二维（2D）聚合物网络可以简单地看作是在有机电子学领域的起源中对准一维（1D）共轭聚合物的第二维的扩展。但是，这样的视图错过了特别是来自2D晶格对称性的基本特征。我们在此观点中的目标是双重的。我们寻求（i）从概念上讲，对这种从1D扩展到2D的扩展对电子结构的影响提供化学方面的理论描述，以及（ii）为此类2Dπ-建立化学结构-对称性-电子性质关系。共轭COF。

更新日期：2019-02-27

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