Stretchable Conductors with Ultrahigh Tensile Strain and Stable Metallic Conductance Enabled by Prestrained Polyelectrolyte Nanoplatforms

Wang, Xiaolong; Hu, Hong; Shen, Youde; Zhou, Feng; Zheng, Zijian

doi:10.1002/adma.201101120

Cited by 203 publications

(167 citation statements)

References 45 publications

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“…More recently, several advances in polymer‐assisted ELD16, 17, 18 have been accomplished for the fabrication of highly conductive metal structures for flexible and stretchable interconnects,19, 20, 21, 22 supercapacitors,23, 24 conductive textiles,25, 26 and optoelectronic devices 27, 28. The polymer‐assisted ELD typically involves three major steps: surface modification of functional polymer anchoring layers, loading of catalyst moieties to the polymer anchoring layer by ion exchange, and site‐selective metal electroless deposition.…”

mentioning

confidence: 99%

Microfluidic Patterning of Metal Structures for Flexible Conductors by In Situ Polymer‐Assisted Electroless Deposition

Liang

Zhou

et al. 2016

Advanced Science

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A low‐cost, solution‐processed, versatile, microfluidic approach is developed for patterning structures of highly conductive metals (e.g., copper, silver, and nickel) on chemically modified flexible polyethylene terephthalate thin films by in situ polymer‐assisted electroless metal deposition. This method has significantly lowered the consumption of catalyst as well as the metal plating solution.

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confidence: 99%

Microfluidic Patterning of Metal Structures for Flexible Conductors by In Situ Polymer‐Assisted Electroless Deposition

Liang

Zhou

et al. 2016

Advanced Science

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“…2, [8][9][10][11] One method for fabricating stretchable conductors is to form one dimensional 'wavy' inorganic ribbons or two dimensional 'wavy' membranes by releasing pre-strained elastomeric substrates with conductive materials lying on them. 9,[12][13][14][15][16] Such wavy conductive structures have exhibited excellent conductivity and mechanical stretchability. Another method is to embed or bond rigid and active electronic components into a soft rubbery polymer.…”

Section: Introductionmentioning

confidence: 99%

Highly conductive and stretchable conductors fabricated from bacterial cellulose

et al. 2012

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Advanced materials that can remain electrically conductive under substantial elastic stretch and bending have attracted extensive interest recently owing to their broad application potentials, particularly for flexible electronics. Here, we have developed a simple and inexpensive method to fabricate highly conductive and stretchable composites using bacterial cellulose (BC) pellicles as starting materials, which can be produced in large amounts on an industrial scale via a microbial fermentation process. The prepared pyrolyzed BC (p-BC)/polydimethylsiloxane (PDMS) composites exhibit a high electrical conductivity of 0.20-0.41 S cm À1 , which is much higher than conventional carbon nanotubes and graphene-based composites. More importantly, the p-BC/PDMS composites that combine high stretchability with high conductivity show great electromechanical stability. Even after 1000 stretching cycles at the maximum strain of 80%, the resistance of the composites increased by only B10%. The resistance increased slightly (B4%) after 5000 bending cycles with a maximum bending radius of 1.0 mm.

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“…The weight fraction of Ag nanoparticles was, however, very high in the value of 60% [16]. Also, silver micro electrode on a substrate showed 118 S cm -1 at 10% strain [5].…”

Section: Electrical Conductivity and Stretchability Of The Amsn Filmsmentioning

confidence: 99%

“…Corrugated sheets or perforated mesh-like films allows for large deformations while maintaining a low strain within the material elements. Finally, composite materials containing conductive particles embedded within an elastomeric matrix have also been extensively investigated [10][11][12][13][14][15][16][17][18]. The most successful systems retain a percolated conductive network to high strains.…”

Section: Introductionmentioning

confidence: 99%

Free-standing nanocomposites with high conductivity and extensibility

et al. 2013

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The prospect of electronic circuits that are stretchable and bendable promises tantalizing applications such as skin-like electronics, roll-up displays, conformable sensors and actuators, and lightweight solar cells. The preparation of highly conductive and highly extensible materials remains a challenge for mass production applications, such as free-standing films or printable composite inks. Here we present a nanocomposite material consisting of carbon nanotubes, ionic liquid, silver nanoparticles, and polystyrene-polyisoprenepolystyrene having a high electrical conductivity of 3700 S cm -1 that can be stretched to 288% without permanent damage. The material is prepared as a concentrated dispersion suitable for simple processing into free-standing films. For the unstrained state, the measured thermal conductivity for the electronically conducting elastomeric nanoparticle film is relatively high and shows a non-metallic temperature dependence consistent with phonon transport, while the temperature dependence of electrical resistivity is metallic. We connect an electric fan to a DC power supply using the films to demonstrate their utility as an elastomeric electronic interconnect. The huge strain sensitivity and the very low temperature coefficient of resistivity suggest their applicability as strain sensors, including those that operate directly to control motors and other devices. © 2013 IOP Publishing Ltd. AbstractThe prospect of electronic circuits that are stretchable and bendable promises tantalizing applications such as skin-like electronics, roll-up displays, conformable sensors and actuators, and lightweight solar cells. The preparation of highly conductive and highly extensible materials is still a remaining challenge amenable to mass production such as free-standing film or printable composite ink. Here we present a nanocomposite material consisting of carbon nanotubes, ionic liquid, silver nanoparticles, and polystyrene-polyisoprene-polystyrene having a high electrical conductivity of 3700 S cm -1 that can be stretched to 288% without permanent damage. The material is prepared as a concentrated dispersion suitable for simple processing into free-standing films. For the unstrained 2 state, the measured thermal conductivity for the electronically conducting elastomeric nanoparticle film is relatively high and shows a non-metallic temperature dependence consistent with phonon transport, while the temperature dependence of electrical resistivity is metallic. We connect an electric fan to a DC power supply using the films to demonstrate their utility as an elastomeric electronic interconnect. The giant strain sensitivity and the very low temperature coefficient of resistivity suggest applicability for strain sensors, including those that operate directly to control motors and other devices.

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Stretchable Conductors with Ultrahigh Tensile Strain and Stable Metallic Conductance Enabled by Prestrained Polyelectrolyte Nanoplatforms

Cited by 203 publications

References 45 publications

Microfluidic Patterning of Metal Structures for Flexible Conductors by In Situ Polymer‐Assisted Electroless Deposition

Microfluidic Patterning of Metal Structures for Flexible Conductors by In Situ Polymer‐Assisted Electroless Deposition

Highly conductive and stretchable conductors fabricated from bacterial cellulose

Free-standing nanocomposites with high conductivity and extensibility

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