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Applied Physics 2023
关于二维材料带隙调控方法的综述
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Abstract:
自从石墨烯从石墨中成功剥离出来，二维材料的相关研究达到了高潮。因为二维材料的优异性能，它在各个领域都有很多潜在的应用。但是有些二维材料在应用中无法达到所需要的带隙范围，比如：石墨烯的零带隙限制了它在光电子器件方面的应用。为了更好地实现二维材料的应用，研究人员找到了很多方法，对二维材料的带隙进行调控，比如：施加应力、电场、原子掺杂、构建异质结构等。本文综述了对二维材料的带隙调控的几种方法，着重分析了他们的调控机理以及相关的研究，并对二维材料的带隙调控方法的应用进行总结性展望。
Since graphene was successfully stripped from graphite, research on two-dimensional materials has reached a climax. Due to the excellent performance of two-dimensional materials, they have many potential applications in various fields. However, some two-dimensional materials cannot achieve the required bandgap range in applications, such as the zero bandgaps of graphene, which limits its application in optoelectronic devices. In order to better achieve the application of two- dimensional materials, researchers have found many methods to regulate the bandgap of two-dimensional materials, such as applying stress, electric field, atomic doping, and constructing heterostructures. This article reviews several methods for regulating the bandgap of two-dimensional materials. Focused on analyzing their regulatory mechanisms and related research, it provides a summary and prospect for the application of bandgap regulation in binary materials.
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