Ambipolar 2D Semiconductors and Emerging Device Applications,Small Methods

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Ambipolar 2D Semiconductors and Emerging Device Applications
Small Methods ( IF 10.7 ) Pub Date : 2020-11-17 , DOI: 10.1002/smtd.202000837
Wennan Hu ₁ , Zhe Sheng ₁ , Xiang Hou ₁ , Huawei Chen ₁ , Zengxing Zhang ₁ , David Wei Zhang ₁ , Peng Zhou ₁

Affiliation

With the rise of 2D materials, new physics and new processing techniques have emerged, triggering possibilities for the innovation of electronic and optoelectronic devices. Among them, ambipolar 2D semiconductors are of excellent gate‐controlled capability and distinctive physical characteristic that the major charge carriers can be dynamically, reversibly and rapidly tuned between holes and electrons by electrostatic field. Based on such properties, novel devices, like ambipolar field‐effect transistors, light‐emitting transistors, electrostatic‐field‐charging PN diodes, are developed and show great advantages in logic and reconfigurable circuits, integrated optoelectronic circuits, and artificial neural network image sensors, enriching the functions of conventional devices and bringing breakthroughs to build new architectures. This review first focuses on the basic knowledge including fundamental principle of ambipolar semiconductors, basic material preparation techniques, and how to obtain the ambipolar behavior through electrical contact engineering. Then, the current ambipolar 2D semiconductors and their preparation approaches and main properties are summarized. Finally, the emerging new device structures are overviewed in detail, along with their novel electronic and optoelectronic applications. It is expected to shed light on the future development of ambipolar 2D semiconductors, exploring more new devices with novel functions and promoting the applications of 2D materials.

中文翻译：

双极二维半导体和新兴设备应用

随着二维材料的兴起，新物理和新加工技术不断涌现，激发了电子和光电器件创新的可能性。其中，双极二维半导体具有优异的栅极控制能力和独特的物理特性，主要电荷载流子可以通过静电场在空穴和电子之间动态、可逆和快速调谐。基于这些特性，开发了新型器件，如双极场效应晶体管、发光晶体管、静电场充电 PN 二极管，并在逻辑和可重构电路、集成光电电路和人工神经网络图像传感器方面显示出巨大优势，丰富传统设备的功能，为构建新架构带来突破。本综述首先重点介绍双极半导体的基本原理、基本材料制备技术以及如何通过电接触工程获得双极行为等基础知识。然后，总结了目前的双极二维半导体及其制备方法和主要性能。最后，详细概述了新兴的新器件结构及其新颖的电子和光电应用。有望为双极二维半导体的未来发展指明方向，探索更多具有新颖功能的新器件，推动二维材料的应用。以及如何通过电接触工程获得双极行为。然后，总结了目前的双极二维半导体及其制备方法和主要性能。最后，详细概述了新兴的新器件结构及其新颖的电子和光电应用。有望为双极二维半导体的未来发展指明方向，探索更多具有新颖功能的新器件，推动二维材料的应用。以及如何通过电接触工程获得双极行为。然后，总结了目前的双极二维半导体及其制备方法和主要性能。最后，详细概述了新兴的新器件结构及其新颖的电子和光电应用。有望为双极二维半导体的未来发展指明方向，探索更多具有新颖功能的新器件，推动二维材料的应用。

更新日期：2021-01-04

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