All-Solution-Processable Robust Carbon Nanotube Photo-Thermoelectric Devices for Multi-Modal Inspection Applications
Yukito Kon, Kohei Murakami, Junyu Jin, Mitsuki Kosaka, Hayato Hamashima, Miki Kubota, Leo Takai, Yukio Kawano, Kou Li
TL;DR
This paper reviews carbon nanotube-based sensors that can detect materials using millimeter-wave, terahertz, and infrared light for non-destructive inspection.
Contribution
The paper introduces recent advances in carbon nanotube film-based photo-thermoelectric imagers for multi-modal inspection.
Findings
Carbon nanotube sensors enable non-invasive material identification across MMW–IR wavelengths.
These sensors offer sub-millimeter-resolution 3D reconstruction with high sensitivity.
The integration of visible-light computer vision enhances material identification capabilities.
Abstract
While recent industrial automation trends emphasize the importance of non-destructive inspection by material-identifying millimeter-wave, terahertz-wave, and infrared (MMW, THz, IR) monitoring, fundamental tools in these wavelength bands (such as sensors) are still immature. Although inorganic semiconductors serve as diverse sensors with well-established large-scale fine-processing fabrication, the use of those devices is insufficient for non-destructive monitoring due to the lack of photo-absorbent properties for such major materials in partial regions across MMW–IR wavelengths. To satisfy the inherent advantageous non-destructive MMW–IR material identification, ultrabroadband operation is indispensable for photo-sensors under compact structure, flexible designability, and sensitive performances. This review then introduces the recent advances of carbon nanotube film-based…
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Taxonomy
TopicsCarbon Nanotubes in Composites · Advanced Thermoelectric Materials and Devices · Terahertz technology and applications