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Recent advances in low-dimensional semiconductor nanomateria

Time:2020/01/07 丨 source:未知 丨 visit count:

Recent advances in low-dimensional semiconductor nanomaterials and their applications in high-performance photodetectors




 
Since the successful preparation of Graphene, low-dimensional materials have attracted much attention due to their unique properties. Then, with its unique crystal structure and many excellent properties, therefore, two-dimensional (2D) materials represented by transition metal chalcogenides (TMDs) , one-dimensional (1d) materials represented by nanowires (NWs) and zero-dimensional (0D) materials represented by quantum dots (QDs) have great potential applications in optoelectronic applications. At the same time, stable and controllable doping and alloying make it possible to control the properties of low-dimensional materials. The construction of various heterostructures makes the related devices have more functions or better performance. In addition, low-dimensional materials also have very good mechanical stability, which makes low-dimensional materials in flexible electronic equipment also has a very large application prospects.
 
Based on this, a team of Guozhen Shen researchers from the Semiconductor Research Institute of the Chinese Academy of Sciences was invited to publish a review paper entitled "Recent advances in low-dimensional semiconductor materials and their applications in high-performance photodetectors" (Doi: 10.1002 / INF2.12067) in a new issue of Wiley InfoMat. In this paper, the low dimensional List of semiconductor materials and its basic properties, such as TMDs, B-P, B-As of 2D; ZnO, NWs of 1D and B-P QDs of 0D, etc, these are summarized. In addition, the adjustable composition ratio also brings the tunable properties, which is of great significance for practical applications. Then, the application of low-dimensional List of semiconductor materials in photodetector and the latest research progress are introduced.
 
 

 
As an important class of optoelectronic devices, photodetectors have important applications in many fields, such as Fiber-optic communication. The emergence of low-dimensional materials provides a good choice for the construction of high-performance, broad-spectrum photodetectors. The broad-spectrum applications of 2D, 1D and 0D materials and heterostructure devices from infrared detection to visible light detection to ultraviolet detection are summarized. In addition, the research of low-dimensional materials in flexible photodetectors is also summarized. The excellent mechanical stability of low dimensional materials provides more choices and possibilities for the application of flexible devices.
 
Finally, the challenges and future prospects of low-dimensional materials and their photodetectors are summarized. This review is of great significance to the development of low-dimensional semiconductor photodetectors and provides some references for other related research.
 
Source from MaterialsViews

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