2015
DOI: 10.1021/acsami.5b04693
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Highly Stretchable and Mechanically Stable Transparent Electrode Based on Composite of Silver Nanowires and Polyurethane–Urea

Abstract: Transparent electrodes based on conventional indium-tin oxide (ITO) can hardly meet the requirements of future generations of stretchable electronic devices, including artificial skins, stretchable displays, sensors, and actuators, because they cannot retain high conductivity under substantial stretching and bending deformation. Here we suggest a new approach for fabricating highly stretchable and transparent electrodes with good stability in environments where they would be stretched repeatedly. We designed p… Show more

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Cited by 93 publications
(97 citation statements)
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“…In this work, we report highly stretchable and transparent conductive films with Ag nanowire networks (AgNWs) embedded in polydimethylsiloxane (PDMS) . AgNWs are more conductive and transparent than CNTs and graphene, and PDMS is the most powerful elastomeric substrate for stretchable electronics because of its good biocompatibility, high stretchability, excellent optical properties, and ease of molding at the nanometer scale . However, compositing these two excellent materials, AgNWs and PDMS, to fabricate a transparent stretchable conductor was not successful because the PDMS forms weak physical and chemical interactions between the AgNWs as a consequence of its methyl‐terminated nature .…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…In this work, we report highly stretchable and transparent conductive films with Ag nanowire networks (AgNWs) embedded in polydimethylsiloxane (PDMS) . AgNWs are more conductive and transparent than CNTs and graphene, and PDMS is the most powerful elastomeric substrate for stretchable electronics because of its good biocompatibility, high stretchability, excellent optical properties, and ease of molding at the nanometer scale . However, compositing these two excellent materials, AgNWs and PDMS, to fabricate a transparent stretchable conductor was not successful because the PDMS forms weak physical and chemical interactions between the AgNWs as a consequence of its methyl‐terminated nature .…”
Section: Introductionmentioning
confidence: 99%
“…However, compositing these two excellent materials, AgNWs and PDMS, to fabricate a transparent stretchable conductor was not successful because the PDMS forms weak physical and chemical interactions between the AgNWs as a consequence of its methyl‐terminated nature . Hence, several methods of implanting AgNWs into PDMS matrices have been developed, including using a fluorosurfactant or inserting polyurethane adhesion layers …”
Section: Introductionmentioning
confidence: 99%
“…Ag NW-PUA [16] Random network 83 15 0.5 kΩ sq −1 at 80% Embedded in elastomer 1 kΩ sq −1 at 100% Ag NW-poly(urethane-urea)/PDMS [76] Random network 88 25 250-350% at 50% (100 stretching cycles)…”
Section: Embedded In Elastomermentioning
confidence: 99%
“…A substrate with stronger σ‐donating polar head groups could tightly hold AgNW through strong coordination‐type bonding . The carboxyl (CO), nitrile (CN), and urethane (NH(CO)O) groups in NBR and WPU with unpaired electrons could provide the strong interaction with AgNW to form the highly conductive fibers for device applications . In addition, the epoxy/NBR blend fiber‐based substrate composed of elastomeric ES nanofibers could absorb conductive composites into the fiber network and further improve its mechanical property because of the large surface area .…”
Section: Introductionmentioning
confidence: 99%
“…[30] The carboxyl (CO), nitrile (CN), and urethane (NH(CO)O) groups in NBR and WPU with unpaired electrons could provide the strong interaction with AgNW to form the highly conductive fibers for device applications. [31][32][33] In addition, the epoxy/NBR blend fiber-based substrate composed of elastomeric ES nanofibers could absorb conductive composites into the fiber network and further improve its mechanical property because of the large surface area. [34,35] On the other hand, WPU is a water soluble elastomer, which has a good miscibility with AgNW dispersed in ethanol.…”
Section: Introductionmentioning
confidence: 99%