Flexible and conductive bilayer membranes of nanoporous gold and silicone: synthesis and characterization
Flexible and conductive bilayer membranes of nanoporous gold and silicone: synthesis and characterization
This work describes a simple fabrication process to produce a highly flexible bilayer membrane, consisting of a nanoporous gold layer embedded into the surface of a thin elastomer film. The nanoporous gold film shows excellent adhesion due to mechanical interlocking with the elastomer substrate, which penetrates its nanoscale pores. As the bilayer is stretched, the nanoporous gold layer cracks and the resulting bilayer has an effective elastic modulus that is only slightly higher than the elastomer (E?1.35 MPa). The film also exhibits low resistivity, which smoothly varies from ?1×10-6 to ?3×10-5 ? m as elongated to ?25% strain. The advantages and limitations of the bilayer with respect to sensing and actuation are briefly outlined.
adhesion, cracks, elastic moduli, elastomers, electrical resistivity, gold, membranes, metallic thin films, nanoporous materials, polymer films
154101
Seker, Erkin
2583be7e-b2c4-4947-b91e-b5ffd5d4a4df
Reed, Michael
ef944fb7-c1b8-409c-ab8a-95a3407b1a1e
Utz, Marcel
c84ed64c-9e89-4051-af39-d401e423891b
Begley, Matthew R.
9f4e52bc-507a-4ef6-910f-bd11d25c2209
14 April 2008
Seker, Erkin
2583be7e-b2c4-4947-b91e-b5ffd5d4a4df
Reed, Michael
ef944fb7-c1b8-409c-ab8a-95a3407b1a1e
Utz, Marcel
c84ed64c-9e89-4051-af39-d401e423891b
Begley, Matthew R.
9f4e52bc-507a-4ef6-910f-bd11d25c2209
Seker, Erkin, Reed, Michael, Utz, Marcel and Begley, Matthew R.
(2008)
Flexible and conductive bilayer membranes of nanoporous gold and silicone: synthesis and characterization.
Applied Physics Letters, 92 (15), .
(doi:10.1063/1.2894570).
Abstract
This work describes a simple fabrication process to produce a highly flexible bilayer membrane, consisting of a nanoporous gold layer embedded into the surface of a thin elastomer film. The nanoporous gold film shows excellent adhesion due to mechanical interlocking with the elastomer substrate, which penetrates its nanoscale pores. As the bilayer is stretched, the nanoporous gold layer cracks and the resulting bilayer has an effective elastic modulus that is only slightly higher than the elastomer (E?1.35 MPa). The film also exhibits low resistivity, which smoothly varies from ?1×10-6 to ?3×10-5 ? m as elongated to ?25% strain. The advantages and limitations of the bilayer with respect to sensing and actuation are briefly outlined.
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Published date: 14 April 2008
Keywords:
adhesion, cracks, elastic moduli, elastomers, electrical resistivity, gold, membranes, metallic thin films, nanoporous materials, polymer films
Organisations:
Magnetic Resonance
Identifiers
Local EPrints ID: 354828
URI: http://eprints.soton.ac.uk/id/eprint/354828
ISSN: 0003-6951
PURE UUID: 58c4fa15-382f-419f-8b6f-79a6ad89b84d
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Date deposited: 23 Jul 2013 12:08
Last modified: 15 Mar 2024 03:44
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Author:
Erkin Seker
Author:
Michael Reed
Author:
Matthew R. Begley
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