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Electromechanical sensors based on carbon nanotube networks
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SYSNO ASEP 0348148 Druh ASEP C - Konferenční příspěvek (mezinárodní konf.) Zařazení RIV D - Článek ve sborníku Název Electromechanical sensors based on carbon nanotube networks Tvůrce(i) Slobodian, P. (CZ)
Říha, Pavel (UH-J) SAI, ORCID, RID
Olejník, R. (CZ)
Petráš, D. (CZ)
Machovský, M. (CZ)
Sáha, P. (CZ)Celkový počet autorů 6 Zdroj.dok. Proceedings of the Fourth International Conference on Sensing Technology. - Palmerston North : Massey University, 2010 / Mukhopadhyay S. C. ; Fuchs A. ; Sen Gupta G. ; Lay-Ekuakille A. - ISBN 978-0-473-16942-8 Rozsah stran s. 542-547 Poč.str. 6 s. Forma vydání CD-ROM - CD-ROM Akce International Conference on Sensing Technology /4./ Datum konání 03.06.2010-05.06.2010 Místo konání Lecce Země IT - Itálie Typ akce WRD Jazyk dok. eng - angličtina Země vyd. NZ - Nový Zéland Klíč. slova carbon nanotube network ; compression ; electrical conductivity ; stress sensor Vědní obor RIV BK - Mechanika tekutin CEP IAA200600803 GA AV ČR - Akademie věd CEZ AV0Z20600510 - UH-J (2005-2011) Anotace The network of entangled multiwall carbon nanotubes and composite consisting of PS filter-supported nanotube network are introduced as 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. It indicates favorable properties of multiwall carbon nanotube network for its use as a stress-electric signal transducer. To model the conductivity-stress dependence, it is hypothesized that compression increases local contact forces between nanotubes, which results in more conductive contacts. The lack of detailed knowledge of the mechanism is circumvented with a statistical approach. In this respect, good data representation is reached using Weibull distribution for the description of nanotube contact resistance distribution. Pracoviště Ústav pro hydrodynamiku Kontakt Soňa Hnilicová, hnilicova@ih.cas.cz, Tel.: 233 109 003 Rok sběru 2011
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