11 October 2005 Carbon nanotube based spectrum infrared detectors
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Abstract
Carbon nanotubes (CNT) have a potential to be efficient infrared (IR) detection materials due to their unique electronic properties. The ballistic electronic transport property makes the noise equivalent temperature difference smaller compared to other semi-conducting materials. By overlaying CNT-based mid-IR (3-5μ) detectors on a long-wave IR (8-15μ) focal plane array, the mid-IR detector causes no filters loss. In order to verify this approach, a single pixel CNT- based infrared photodetector is fabricated by depositing the CNTs on the substrate surface and then aligning them using the atomic force microscopy (AFM)-based nanomanipulation system. Functionality of the single pixel CNT infrared detector is then verified and dark current is analyzed experimentally.
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Ning Xi, Ning Xi, Harold Szu, Harold Szu, James Buss, James Buss, Ingham Mack, Ingham Mack, "Carbon nanotube based spectrum infrared detectors", Proc. SPIE 5987, Electro-Optical and Infrared Systems: Technology and Applications II, 59870M (11 October 2005); doi: 10.1117/12.631219; https://doi.org/10.1117/12.631219
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