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<p>Terahertz (THz) waves have great application potential in the sixth-generation communication technology, biomedicine, spectroscopy, non-destructive testing, security inspection and other fields due to their advantages of good penetration, high safety, good coherence, high bandwidth and many other merits. At present, the research hotspots of THz photodetectors are developing towards broadband response, miniaturization, high sensitivity, low noise and room temperature operation. Terahertz photodetectors based on two-dimensional (2D) materials such as graphene, black phosphorus, transition metal dichalcogenides, and topological semimetals have attracted amazing attention for the researchers. This paper mainly discusses the recent research progress of these four types of materials in the application of terahertz photodetectors.</p>

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Recent advancements in two-dimensional materials for terahertz photodetectors

  • 期刊论文

  • 发表日期：

    2025年2月17日

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  • Qiushi Wei,
  • Wenqi Zhu,
  • Tao Li,
  • Bowen Song,
  • Chenxu Shi,
  • Yinghao Qu,
  • Hui Yang,
  • Jingwen Zhang,
  • Xijun Liu,
  • Hongjun Liu

摘要

Terahertz (THz) waves have great application potential in the sixth-generation communication technology, biomedicine, spectroscopy, non-destructive testing, security inspection and other fields due to their advantages of good penetration, high safety, good coherence, high bandwidth and many other merits. At present, the research hotspots of THz photodetectors are developing towards broadband response, miniaturization, high sensitivity, low noise and room temperature operation. Terahertz photodetectors based on two-dimensional (2D) materials such as graphene, black phosphorus, transition metal dichalcogenides, and topological semimetals have attracted amazing attention for the researchers. This paper mainly discusses the recent research progress of these four types of materials in the application of terahertz photodetectors.