越多越好——2D 多异质结构构建的最新进展,Advanced Functional Materials

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越多越好——2D 多异质结构构建的最新进展
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2021-04-15 , DOI: 10.1002/adfm.202102049
Ruijie Zhang ₁ , Menghan Li ₂ , Lin Li ₂ , Zhongming Wei ₃ , Fei Jiao ₁ , Dechao Geng ₁ , Wenping Hu ₁

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过去几年见证了二维异质结构可控生长的重大发展。在这些异质结构中，垂直和横向的异质结构最受关注。垂直异质结构可以逐层创建。垂直方向的层数和顺序可以调制，从而产生定制的特性。然而，横向异质结构的制造遇到了挑战。最令人担忧的问题与在横向缝合两层时原子尺度上的一致性有关。秉承外延生长的概念，化学气相沉积 (CVD) 在形成 2D 横向异质结构方面产生了重大影响。在这次审查中，最近的学术突破涉及通过 CVD 控制多异质结构的生长。充分强调了 CVD 技术在生长参数、催化剂选择和机理方面的作用，为塑造新型 2D 异质结构提供了指导。展示了通过 CVD 方法获得的几种新型多异质结构。此外，描述了特性和器件以展示多异质结构的独特特征。精确构建多异质结构的巨大进步有望推动二维材料的工业化和商业化。展示了通过 CVD 方法获得的几种新型多异质结构。此外，描述了特性和器件以展示多异质结构的独特特征。精确构建多异质结构的巨大进步有望推动二维材料的工业化和商业化。展示了通过 CVD 方法获得的几种新型多异质结构。此外，描述了特性和器件以展示多异质结构的独特特征。精确构建多异质结构的巨大进步有望推动二维材料的工业化和商业化。

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The More, the Better–Recent Advances in Construction of 2D Multi-Heterostructures

The past few years have witnessed significant development in the controlled growth of 2D heterostructures. Among those kinds of heterostructures, vertical and lateral ones have drawn the most attention. Vertical heterostructures can be created in the mode of layer by layer. The layer number and sequence in the vertical orientation can be modulated and thus leading to customized properties. However, the fabrication of lateral heterostructures has been met with challenges. The most concerning issue is related to the consistency at the atomic scale when two layers are stitched in a lateral direction. Adhering to the concept of epitaxial growth, chemical vapor deposition (CVD) has exerted significant impact in forming 2D lateral heterostructures. In this review, recent academic breakthroughs involving controlled growth of multi-heterostructures by CVD are present. The CVD technique in terms of growth parameters, choice of catalysts, and mechanism is fully emphasized, offering guidelines for shaping novel 2D heterostructures. Several novel multi-heterostructures attained by the CVD method are exhibited. Further, the properties and devices are described to demonstrate the unique features of multi-heterostructures. The great advances in precisely constructing multi-heterostructure are expected to push forward the way for 2D materials to industrialization and commercialization.

更新日期：2021-06-24

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