Molecular- and Structural-Level Organic Heterostructures for Multicolor Photon Transportation.,The Journal of Physical Chemistry Letters

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Molecular- and Structural-Level Organic Heterostructures for Multicolor Photon Transportation.
The Journal of Physical Chemistry Letters ( IF 4.8 ) Pub Date : 2020-08-19 , DOI: 10.1021/acs.jpclett.0c02293
Yue Yu ₁ , Ming-Peng Zhuo ₁ , Song Chen ₁ , Guang-Peng He ₁ , Yi-Chen Tao ₁ , Xue-Dong Wang ₁ , Liang-Sheng Liao _{1,

2}

Affiliation

The rational design and the fine synthesis of organic heterostructures (OHSs) are the key steps toward integrated organic optoelectronics. Herein we have demonstrated a self-assembly approach of combining a molecular-level heterostructure with a structural-level heterostructure and regulating the noncovalent intermolecular interactions for the precise construction of OHSs: a vertical type of anthracene–TCNB heterostructure and a horizontal type of benzopyrene–TCNB heterostructure. The excellent structural compatibility and the low lattice mismatch rate of ∼5.8% between single-component microplates and cocrystal microwires allow anthracene and benzopyrene molecules to grow epitaxially on the cocrystal. Significantly, integrating the multicolor emission and the distinctive dimensional-dependent photon transportation properties of low-dimensional micro/nanostructures, the multicolor optical outputs are achieved via modulating the active/passive optical waveguides in OHSs. Our work exhibits the utilization of the multilevel heterostructure strategy, which boosts the rational design of OHSs for organic photonics.

中文翻译：

用于多色光子传输的分子级和结构级有机异质结构。

有机异质结构（OHS）的合理设计和精细合成是迈向集成有机光电子学的关键步骤。在本文中，我们展示了一种自组装方法，该方法将分子水平的异质结构与结构水平的异质结构相结合，并调节非共价分子间相互作用，以实现OHS的精确构建：蒽型-TCNB的垂直结构和苯并py的水平型- TCNB异质结构。单组分微孔板和共晶微丝之间出色的结构相容性和低至约5.8％的晶格失配率使蒽和苯并re分子在共晶上外延生长。重要的是结合了低维微/纳米结构的多色发射和独特的与尺寸相关的光子传输特性，通过调制OHS中的有源/无源光波导可以实现多色光输出。我们的工作展示了多级异质结构策略的利用，这促进了有机光子学OHS的合理设计。

更新日期：2020-09-18

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