High conductivity and stretchability of 3D welded silver nanowire filled graphene aerogel hybrid nanocomposites

Many studies have investigated stretchable conductors, fabricated from silver nanowire (AgNW)-containing nanocomposites, due to their outstanding electrical properties and high-aspect-ratio structures. To retain good conductivity with a high degree of elongation, nanocomposites used as stretchable conductors should maintain a well-connected electrical network with a low mass fraction of AgNWs. A three-dimensional (3D) graphene aerogel (GA) frame provides an excellent scaffold for conductive networks consisting of AgNWs. This research describes, for the first time, the synthesis of a new type of nanostructure, AgNW/GA, formed by coating 3D GA frames with AgNWs. AgNW/GA/polydimethylsiloxane (PDMS) nanocomposites exhibited high electrical conductivity (similar to 40 S cm(-1)) and stable conductivity retention at up to 60% elongation. In addition, the electrical properties of the AgNW/GA/PDMS nanocomposites could be further enhanced by structural changes in the GA induced by optical welding.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2017-08
Language
English
Keywords

CARBON NANOTUBES; MECHANICAL-PROPERTIES; CONDUCTORS; COMPOSITES; ELECTRODES; NETWORKS; NANOPARTICLES; PERFORMANCE; RESISTANCE; DESIGN

Citation

JOURNAL OF MATERIALS CHEMISTRY C, v.5, no.32, pp.8211 - 8218

ISSN
2050-7526
DOI
10.1039/c7tc01889d
URI
http://hdl.handle.net/10203/225817
Appears in Collection
NE-Journal Papers(저널논문)MS-Journal Papers(저널논문)
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