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When 2D Materials Meet Molecules: Opportunities and Challenges of Hybrid Organic/Inorganic van der Waals Heterostructures
Advanced Materials ( IF 27.4 ) Pub Date : 2018-02-14 , DOI: 10.1002/adma.201706103
Marco Gobbi 1 , Emanuele Orgiu 1 , Paolo Samorì 1
Affiliation  

van der Waals heterostructures, composed of vertically stacked inorganic 2D materials, represent an ideal platform to demonstrate novel device architectures and to fabricate on‐demand materials. The incorporation of organic molecules within these systems holds an immense potential, since, while nature offers a finite number of 2D materials, an almost unlimited variety of molecules can be designed and synthesized with predictable functionalities. The possibilities offered by systems in which continuous molecular layers are interfaced with inorganic 2D materials to form hybrid organic/inorganic van der Waals heterostructures are emphasized. Similar to their inorganic counterpart, the hybrid structures have been exploited to put forward novel device architectures, such as antiambipolar transistors and barristors. Moreover, specific molecular groups can be employed to modify intrinsic properties and confer new capabilities to 2D materials. In particular, it is highlighted how molecular self‐assembly at the surface of 2D materials can be mastered to achieve precise control over position and density of (molecular) functional groups, paving the way for a new class of hybrid functional materials whose final properties can be selected by careful molecular design.

中文翻译:

当2D材料遇到分子时:有机/无机杂化范德华混合结构的机遇与挑战

由垂直堆叠的无机2D材料组成的van der Waals异质结构是展示新型器件架构和按需制造材料的理想平台。在这些系统中并入有机分子具有巨大的潜力,因为尽管自然界提供了数量有限的2D材料,但可以设计并合成具有可预测功能的几乎无限种类的分子。强调了连续分子层与无机2D材料界面形成有机/无机范德华杂化杂化结构的系统所提供的可能性。与无机结构类似,混合结构已被用来提出新颖的器件架构,例如反双极晶体管和大电流电阻。而且,特定的分子基团可用于修改内在属性并为2D材料赋予新的功能。尤其要强调的是,如何掌握2D材料表面的分子自组装,以实现对(分子)官能团位置和密度的精确控制,从而为新型杂化功能材料铺平了道路,这些杂化功能材料的最终特性可以通过仔细的分子设计选择。
更新日期:2018-02-14
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