A Healable, Semitransparent Silver Nanowire‐Polymer Composite Conductor

Gong, Chaokun; Liang, Jiajie; Hu, Wei; Niu, Xiaofan; Ma, Sungwon; Hahn, H. Thomas; Pei, Qibing

doi:10.1002/adma.201301069

Cited by 190 publications

(171 citation statements)

References 34 publications

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“…The mechanical property of nanowires has attracted considerable interests due to their potential applications in nanostructures and nano-devices, such as sensors and resonators in nano-electromechanical systems ( Craighead, 20 0 0;Xie et al, 2012 ) and reinforcing phases in advanced nanocomposites ( Lee et al, 2011;Gong et al, 2013 ). Similar to the other nanomaterials, nanowires have a size-dependently mechanical behavior due to a large surface-tovolume ratio ( Liang and Upmanyu, 2005 ).…”

Section: Introductionmentioning

confidence: 98%

Surface effect in the bending of nanowires

Yao

Chen

2016

Mechanics of Materials

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a b s t r a c tThe surface effect in the bending of nanowires (nanobeams), including cantilever nanowires and fixedfixed ones, is investigated in this paper with a recently developed elastic theory for nanomaterials, in which only the bulk surface-energy density and the surface-relaxation parameter are involved as two independent parameters to characterize the surface effect. Closed-form solutions of the maximum deflection and the effective elastic modulus in both kinds of nanowires are achieved. It is found that, comparing to the prediction of the classically elastic beam theory, the cantilever nanowire is softened, while the fixed-fixed one is stiffened by the surface effect in nanoscales, consistent well with the existing experimental measurements. Furthermore, an increasing aspect ratio of nanowires can further enhance the stiffening behavior of fixed-fixed nanowires and the softening behavior of cantilever ones, respectively. The present result should be helpful not only for explaining different surface effects in nanowires with different boundary conditions, but also for the design of nano-structures and nano-devices related to nanowires.

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Section: Introductionmentioning

confidence: 98%

Surface effect in the bending of nanowires

Yao

Chen

2016

Mechanics of Materials

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“…1,2 Currently, metallic nanowire networks are being investigated as next-generation transparent conductors, 3,4 artificial skins, [5][6][7] and flexible optoelectronic devices. [8][9][10] However, to build reliable materials and devices, it is necessary to be able to tune the sheet resistance, and hence the connectivity between the wires that comprise these networks.…”

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confidence: 99%

Effective Electrode Length Enhances Electrical Activation of Nanowire Networks: Experiment and Simulation

et al. 2014

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ABSTRACT. Networks comprised of randomly oriented overlapping nanowires offer the possibility of simple fabrication on a variety of substrates, in contrast with the precise placement required for devices with single or aligned nanowires. Metal nanowires typically have a coating of surfactant or oxide that prevents aggregation, but also prevents electrical connection.Prohibitively high voltages can be required to electrically activate nanowire networks, and even after activation many nanowire junctions remain non-conducting. Non-electrical activation methods can enhance conductivity but destroy the memristive behavior of the junctions that

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“…Appropriate mix ratios can allow for strong electrical conductivity through the bulk material, while maintaining the self-healing properties of the polymer bulk (Tee et al, 2012;Gong et al, 2013). Any cut or puncture in the polymer will self-heal, reconnecting the conductive filler material and rejoining the circuit, much like the material demonstrated by Tee et al (2012) (Figure 4C).…”

Section: Composite Polymer Electronicsmentioning

confidence: 99%

Self-Healing and Damage Resilience for Soft Robotics: A Review

Bilodeau

Kramer

2017

Front. Robot. AI

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Advances in soft robotics will be crucial to the next generation of robot-human interfaces. Soft material systems embed safety at the material level, providing additional safeguards that will expedite their placement alongside humans and other biological systems. However, in order to function in unpredictable, uncontrolled environments alongside biological systems, soft robotic systems should be as robust in their ability to recover from damage as their biological counterparts. There exists a great deal of work on self-healing materials, particularly polymeric and elastomeric materials that can self-heal through a wide variety of tools and techniques. Fortunately, most emerging soft robotic systems are constructed from polymeric or elastomeric materials, so this work can be of immediate benefit to the soft robotics community. Though the field of soft robotics is still nascent as a whole, self-healing and damage resilient systems are beginning to be incorporated into three key support pillars that are enabling the future of soft robotics: actuators, structures, and sensors. This article reviews the state-of-the-art in damage resilience and self-healing materials and devices as applied to these three pillars. This review also discusses future applications for soft robots that incorporate self-healing capabilities.

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A Healable, Semitransparent Silver Nanowire‐Polymer Composite Conductor

Cited by 190 publications

References 34 publications

Surface effect in the bending of nanowires

Surface effect in the bending of nanowires

Effective Electrode Length Enhances Electrical Activation of Nanowire Networks: Experiment and Simulation

Self-Healing and Damage Resilience for Soft Robotics: A Review

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