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Electromechanical sensors based on carbon nanotube networks and their polymer composites

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dc.title Electromechanical sensors based on carbon nanotube networks and their polymer composites en
dc.contributor.author Slobodian, Petr
dc.contributor.author Říha, Pavel
dc.contributor.author Olejník, Robert
dc.relation.ispartof Lecture Notes in Electrical Engineering
dc.identifier.issn 1876-1100 Scopus Sources, Sherpa/RoMEO, JCR
dc.identifier.isbn 978-3-642-17942-6
dc.date.issued 2011
utb.relation.volume 83 LNEE
dc.citation.spage 233
dc.citation.epage 251
dc.event.title 4th International Conference on Sensing Technology, ICST 2010
dc.event.location Lecce
utb.event.state-en Italy
utb.event.state-cs Itálie
dc.event.sdate 2010-06-03
dc.event.edate 2010-06-05
dc.type conferenceObject
dc.language.iso en
dc.identifier.doi 10.1007/978-3-642-17943-3_12
dc.relation.uri https://link.springer.com/chapter/10.1007/978-3-642-17943-3_12
dc.subject Carbon nanotube network en
dc.subject Compression en
dc.subject Electrical conductivity en
dc.subject Gas sensor en
dc.subject Stress sensor en
dc.description.abstract A network of entangled multiwall carbon nanotubes and the composite consisting of filter-supported multiwall carbon nanotube network are conductors whose conductivity is sensitive to compressive stress both in the course of monotonic stress growth and when loading/unloading cycles are imposed. The testing has shown as much as 100% network conductivity increase at the maximum applied stress. The entangled carbon nanotube networks are prepared by vacuum filtration method and peeled off from the filter. The carbon nanotubes are used in pristine condition or chemically functionalized. The filter-supported entangled networks are prepared by the nanotube dispersion filtration through a non-woven flexible polystyrene filter. The nanotubes infiltrate partly into the filter surface pores and link the accumulated filtrate layer with the filtering mat. The filter-support increases nanotube network mechanical integrity, the composite tensile ultimate strength and affects favorably the composite electrical resistance. Other obvious effect of the supporting polymer is reduction of the resistance temperature dependence. Moreover, the conductivity of carbon nanotube networks manifests also organic vapor dependence. The dependence is reversible, reproducible, selective as well as influenced by nanotube oxidation. © 2011 Springer-Verlag Berlin Heidelberg. en
utb.faculty Faculty of Technology
dc.identifier.uri http://hdl.handle.net/10563/1004888
utb.identifier.obdid 43866639
utb.identifier.scopus 2-s2.0-79551534132
utb.source d-scopus
dc.date.accessioned 2015-06-04T12:55:53Z
dc.date.available 2015-06-04T12:55:53Z
utb.contributor.internalauthor Slobodian, Petr
utb.contributor.internalauthor Olejník, Robert
utb.fulltext.affiliation P. Slobodian1, P. Riha2, and R. Olejnik1 1 Polymer Centre, Faculty of Technology, Tomas Bata University in Zlin, Czech Republic 2 Institute of Hydrodynamics, Academy of Sciences, Prague, Czech Republic
utb.fulltext.dates -
utb.fulltext.sponsorship The authors (P.S. and R.O.) gratefully acknowledge support by the internal grant No. IGA/12/FT/10/D for the specific university research from TBU in Zlin. P.R. acknowledges support from the Grant Agency of the Academy of Sciences (GAAV IAA200600803) and the Institute of Hydrodynamics Fund AV0Z20600510.
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