期刊
APPLIED PHYSICS REVIEWS
卷 8, 期 4, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0060797
关键词
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资金
- Engineering and Physical Sciences Research Council (EPSRC)
- European Union [735008]
- EPSRC [EP/T025077/1]
- Alexander von Humboldt Stiftung
- EPSRC [EP/T025077/1] Funding Source: UKRI
One-dimensional nanostructures with unique optical and electrical properties are ideal building blocks for high frequency devices. Recent advancements in carbon nanotubes and semiconductor nanowires have shown potential for applications in terahertz technology, contributing to the development of advanced THz systems.
One-dimensional nanostructures commonly refer to nanomaterials with a large length-to-diameter ratio, such as nanowires, nanotubes, nanorods, and nanopillars. The nanoscale lateral dimensions and high aspect ratios of these (quasi) one-dimensional nanostructures result in fascinating optical and electrical properties, including strongly anisotropic optical absorption, controlled directionality of light emission, confined charge-carrier transport and/or ballistic transport, which make one-dimensional nanostructures ideal building blocks for applications in highly integrated photonic, electronic, and optoelectronic systems. In this article, we review recent developments of very high (terahertz) frequency devices based on these one-dimensional nanostructures, particularly focusing on carbon nanotubes and semiconductor nanowires. We discuss state-of-the-art nanomaterials synthesis, device-fabrication techniques, device-operating mechanisms, and device performance. The combination of nanotechnology and terahertz science is a nascent research field which has created advanced THz sources, detectors, and modulators, leading to terahertz systems with extended functionalities. The goal of this article is to present the up-to-date worldwide status of this field and to highlight the current challenges and future opportunities.
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