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Recent developments of infrared photodetectors with low-dimensional inorganic nanostructures

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Abstract

Low-dimensional inorganic nanostructures such as quantum dots as well as one- and two-dimensional nanostructures are widely studied and already used in high-performance infrared photodetectors. These structures feature large surface-to-volume ratios, tunable light absorption, and electron-limiting effects. This article reviews the state-of-the-art research of low-dimensional inorganic nanostructures and their application for infrared photodetection. Thanks to nano-structuring, a narrow bandgap, hybrid systems, surface-plasmon resonance, and doping, many common semiconductors have the potential to be used for infrared detection. The basic approaches towards infrared detection are summarized. Furthermore, a selection of very important and special nanostructured materials and their remarkable infrared-detection properties are introduced (e.g., black phosphorus, graphene-based, MoX2-based, III–VII group). Each section in this review describes the corresponding photosensitive properties in detail. The article concludes with an outlook of anticipated future developments in the field.

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Acknowledgements

This research was supported by the National Natural Science Foundation of China (Nos. 21561031, 51972055, and 21701135), the Shenzhen Science and Technology Research Project (No. JCYJ20180508152903208), the Shenzhen Pengcheng Scholar Program, the Guangdong Basic and Applied Basic Research Foundation(No. 2020A1515010258) and Shenzhen Bay Laboratory Open Fund (No. SZBL2020090501002).

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  1. College of Health Science and Environmental Engineering, Shenzhen Technology University, Shenzhen, 518118, China

    Xin Hu, Jianghong Wu, Mingzhou Wu & Junqing Hu

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Hu, X., Wu, J., Wu, M. et al. Recent developments of infrared photodetectors with low-dimensional inorganic nanostructures. Nano Res. 15, 805–817 (2022). https://doi.org/10.1007/s12274-021-3634-2

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