Spatial conductivity mapping of carbon nanotube composite thin films by electrical impedance tomography for sensing applications
dc.contributor.author | Hou, Tsung-Chin | en_US |
dc.contributor.author | Loh, Kenneth J. | en_US |
dc.contributor.author | Lynch, Jerome Peter | en_US |
dc.date.accessioned | 2008-04-02T14:41:45Z | |
dc.date.available | 2008-04-02T14:41:45Z | |
dc.date.issued | 2007-08-08 | en_US |
dc.identifier.citation | Hou, Tsung-Chin; Loh, Kenneth J; Lynch, Jerome P (2007). "Spatial conductivity mapping of carbon nanotube composite thin films by electrical impedance tomography for sensing applications." Nanotechnology. 18(31): 315501 (9pp). <http://hdl.handle.net/2027.42/58135> | en_US |
dc.identifier.issn | 0957-4484 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/58135 | |
dc.description.abstract | This paper describes the application of electrical impedance tomography (EIT) to demonstrate the multifunctionality of carbon nanocomposite thin films under various types of environmental stimuli. Carbon nanotube (CNT) thin films are fabricated by a layer-by-layer (LbL) technique and mounted with electrodes along their boundaries. The response of the thin films to various stimuli is investigated by relying on electric current excitation and corresponding boundary potential measurements. The spatial conductivity variations are reconstructed based on a mathematical model for the EIT technique. Here, the ability of the EIT method to provide two-dimensional mapping of the conductivity of CNT thin films is validated by (1) electrically imaging intentional structural defects in the thin films and (2) mapping the film’s response to various pH environments. The ability to spatially image the conductivity of CNT thin films holds many promises for developing multifunctional CNT-based sensing skins. | en_US |
dc.format.extent | 3118 bytes | |
dc.format.extent | 1020873 bytes | |
dc.format.mimetype | text/plain | |
dc.format.mimetype | application/pdf | |
dc.publisher | IOP Publishing Ltd | en_US |
dc.title | Spatial conductivity mapping of carbon nanotube composite thin films by electrical impedance tomography for sensing applications | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Physics | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor, MI 48109-2125, USA | en_US |
dc.contributor.affiliationum | Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor, MI 48109-2125, USA | en_US |
dc.contributor.affiliationum | Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor, MI 48109-2125, USA ; Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI 48109-2125, USA ; | en_US |
dc.contributor.affiliationumcampus | Ann Arbor | en_US |
dc.identifier.pmid | 20442481 | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/58135/2/nano7_31_315501.pdf | |
dc.identifier.doi | http://dx.doi.org/10.1088/0957-4484/18/31/315501 | en_US |
dc.identifier.source | Nanotechnology. | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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