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Carbon nanotubes and silver flakes filled epoxy resin for new hybrid conductive adhesives

Marcq, Fabien and Demont, Philippe and Monfraix, Philippe and Peigney, Alain and Laurent, Christophe and Falat, Tomasz and Courtade, Frédéric and Jamin, Thierry Carbon nanotubes and silver flakes filled epoxy resin for new hybrid conductive adhesives. (2011) Microelectronics Reliability, 51 (7). 1230-1234. ISSN 0026-2714

(Document in English)

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Official URL: http://dx.doi.org/10.1016/j.microrel.2011.03.020


Combining conductive micro and nanofillers is a new way to improve electrical conductivity. Micrometric silver flakes and nanometric carbon nanotubes (CNTs) exhibit high electrical conductivity. A new type of hybrid conductive adhesives filled with silver flakes and carbon nanotubes (DWCNTs or MWCNTs) were investigated. High electrical conductivity is measured as well as improved mechanical properties at room temperature. Small agglomerates and free MWCNTs dispersed in the silver/epoxy composites improve the electrical conductivity and a synergistic effect between MWCNTs and micro sized silver flakes is observed in hybrid composites. Glassy and rubbery storage moduli of the hybrid composites increase with increasing silver loading at fixed CNTs volume fraction. High value of the storage modulus, measured in DWCNTs/μAg hybrid composites at rubbery state, is caused by strong agglomeration of DWCNTs bundles. The electrical and mechanical properties are consistent with the morphologies of the hybrid composites characterized by SEM.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Microelectronics Reliability website: http://www.sciencedirect.com/science/article/pii/S0026271411000977
HAL Id:hal-03541140
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National d'Études Spatiales - CNES (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Other partners > Thales (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Wroclaw University of Technology (POLAND)
Laboratory name:
Deposited On:06 Jun 2012 20:28

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