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Two-Dimensional Organic–Inorganic van der Waals Hybrids
Chemical Reviews ( IF 51.4 ) Pub Date : 2024-12-18 , DOI: 10.1021/acs.chemrev.4c00565
Fucai Cui, Víctor García-López, Zhiyong Wang, Zhongzhong Luo, Daowei He, Xinliang Feng, Renhao Dong, Xinran Wang

Two-dimensional organic–inorganic (2DOI) van der Waals hybrids (vdWhs) have emerged as a groundbreaking subclass of layer-stacked (opto-)electronic materials. The development of 2DOI-vdWhs via systematically integrating inorganic 2D layers with organic 2D crystals at the molecular/atomic scale extends the capabilities of traditional 2D inorganic vdWhs, thanks to their high synthetic flexibility and structural tunability. Constructing an organic–inorganic hybrid interface with atomic precision will unlock new opportunities for generating unique interfacial (opto-)electronic transport properties by combining the strengths of organic and inorganic layers, thus allowing us to satisfy the growing demand for multifunctional applications. Here, this review provides a comprehensive overview of the latest advancements in the chemical synthesis, structural characterization, and numerous applications of 2DOI-vdWhs. Firstly, we introduce the chemistry and the physical properties of the recently rising organic 2D crystals (O2DCs), which feature crystalline 2D nanostructures comprising carbon-rich repeated units linked by covalent/noncovalent bonds and exhibit strong in-plane extended π-conjugation and weak interlayer vdWs interaction. Simultaneously, representative inorganic 2D crystals (I2DCs) are briefly summarized. After that, the synthetic strategies will be systematically summarized, including synthesizing single-component O2DCs with dimensional control and their vdWhs with I2DCs. With these synthetic approaches, the control in the dimension, the stacking modes, and the composition of the 2DOI-vdWhs will be highlighted. Subsequently, a special focus will be given on the discussion of the optical and electronic properties of the single-component 2D materials and their vdWhs, which will be closely relevant to their structures, so that we can establish a general structure–property relationship of 2DOI-vdWhs. In addition to these physical properties, the (opto-)electronic devices such as transistors, photodetectors, sensors, spintronics, and neuromorphic devices as well as energy devices will be discussed. Finally, we provide an outlook to discuss the key challenges for the 2DOI-vdWhs and their future development. This review aims to provide a foundational understanding and inspire further innovation in the development of next-generation 2DOI-vdWhs with transformative technological potential.

中文翻译:


二维有机-无机范德华杂化物



二维有机-无机 (2DOI) 范德华杂化物 (vdWhs) 已成为层堆叠(光)电子材料的一个开创性子类。通过在分子/原子尺度上系统地将无机 2D 层与有机 2D 晶体集成来开发 2DOI-vdWhs,由于其高合成灵活性和结构可调性,扩展了传统 2D 无机 vdWhs 的能力。构建具有原子精度的有机-无机杂化界面将通过结合有机层和无机层的优势,为产生独特的界面(光)电子传输特性带来新的机会,从而使我们能够满足对多功能应用日益增长的需求。本文全面概述了 2DOI-vdWhs 在化学合成、结构表征和众多应用方面的最新进展。首先,我们介绍了最近出现的有机 2D 晶体 (O2DC) 的化学和物理性质,其特点是晶体 2D 纳米结构,由共价/非共价键连接的富含碳的重复单元组成,并表现出强面内扩展π共轭和弱层间 vdWs 相互作用。同时,简要总结了代表性的无机 2D 晶体 (I2DC)。之后,将系统地总结合成策略,包括用尺寸控制合成单组分 O2DCs,用 I2DCs合成它们的 vdWhs。通过这些合成方法,将突出维度控制、堆叠模式和 2DOI-vdWhs 的组成。 随后,将特别关注单组分 2D 材料及其 vdWhs 的光学和电子特性的讨论,这些特性将与它们的结构密切相关,以便我们可以建立 2DOI-vdWhs 的一般结构-性能关系。除了这些物理特性外,还将讨论晶体管、光电探测器、传感器、自旋电子学和神经形态器件以及能源器件等(光)电子器件。最后,我们提供了展望,以讨论 2DOI-vdWhs 的主要挑战及其未来发展。本综述旨在为开发具有变革性技术潜力的下一代 2DOI-vdWhs 提供基础理解并激发进一步创新。
更新日期:2024-12-18
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