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Title: Bolometric-Effect-Based Wavelength-Selective Photodetectors Using Sorted Single Chirality Carbon Nanotubes
Authors: Zhang, Suoming
Cai, Le
Wang, Tongyu
Shi, Rongmei
Miao, Jinshui
Wei, Li
Chen, Yuan
Sepúlveda, Nelson
Wang, Chuan
Keywords: Chemical and Biomedical Engineering
Issue Date: 2015
Source: Zhang, S., Cai, L., Wang, T., Shi, R., Miao, J., Wei, L., et al. (2015). Bolometric-Effect-Based Wavelength-Selective Photodetectors Using Sorted Single Chirality Carbon Nanotubes. Scientific Reports, 5, 17883-.
Series/Report no.: Scientific Reports
Abstract: This paper exploits the chirality-dependent optical properties of single-wall carbon nanotubes for applications in wavelength-selective photodetectors. We demonstrate that thin-film transistors made with networks of carbon nanotubes work effectively as light sensors under laser illumination. Such photoresponse was attributed to photothermal effect instead of photogenerated carriers and the conclusion is further supported by temperature measurements. Additionally, by using different types of carbon nanotubes, including a single chirality (9,8) nanotube, the devices exhibit wavelength-selective response, which coincides well with the absorption spectra of the corresponding carbon nanotubes. This is one of the first reports of controllable and wavelength-selective bolometric photoresponse in macroscale assemblies of chirality-sorted carbon nanotubes. The results presented here provide a viable route for achieving bolometric-effect-based photodetectors with programmable response spanning from visible to near-infrared by using carbon nanotubes with pre-selected chiralities.
ISSN: 2045-2322
DOI: 10.1038/srep17883
Schools: School of Chemical and Biomedical Engineering 
Rights: © Zhang, S. et al. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
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