Stretchable Transparent Electrodes with Solution-Processed Regular Metal Mesh for an Electroluminescent Light-Emitting Film,ACS Applied Materials & Interfaces

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Stretchable Transparent Electrodes with Solution-Processed Regular Metal Mesh for an Electroluminescent Light-Emitting Film
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2018-05-25 00:00:00 , DOI: 10.1021/acsami.8b06691
Cuiping Zhang _{1,

2} , Arshad Khan ₁ , Jingxuan Cai _{1,

2} , Chuwei Liang _{1,

2} , Yanjun Liu , Junhong Deng , Siya Huang , Guixin Li , Wen-Di Li _{1,

2}

Affiliation

We report stretchable metal-mesh transparent electrodes (TEs) with excellent electrical conductivity (<2 Ω/sq) and optical transparency (>80%) under up to 55% strain. The figures of merit on these electrodes, as defined as the ratio between electrical conductivity and optical conductivity, are among the highest reported for stretchable TEs under moderate stretching. Moreover, we demonstrate their application in a stretchable electroluminescent (EL) light-emitting film as top and bottom electrodes. EL lighting devices require low-resistance electrodes to unleash their potential for large-area low-power-consumption applications, in which our highly conductive and transparent stretchable TEs provide an edge on other competitor approaches. Importantly, our stretchable metal-mesh electrodes are fabricated through a vacuum-free solution-processed approach that is scalable for cost-effective mass production. We also investigate the fracture and fatigue mechanisms of stretchable metal-mesh electrodes with various mesh patterns and observe different behaviors under one-time and cyclic stretching conditions. Our solution-processed fabrication method, failure mechanism investigation, and device demonstration for metal-mesh stretchable TEs will facilitate the adoption of this promising high-performance approach in stretchable and wearable electronics applications.

中文翻译：

具有固溶处理的规则金属网的可拉伸透明电极用于电致发光膜

我们报道了可拉伸的金属网透明电极（TEs），在高达55％的应变下具有出色的导电性（<2Ω/ sq）和光学透明性（> 80％）。这些电极的品质因数（定义为电导率和光导率之比）是在中等拉伸条件下可拉伸TE的最高报道值。此外，我们展示了它们在可拉伸电致发光（EL）发光膜中作为顶部和底部电极的应用。EL照明设备需要低电阻电极才能释放其在大面积低功耗应用中的潜力，在这些应用中，我们的高导电性和透明可拉伸TE可以为其他竞争者方法提供优势。重要的，我们的可拉伸金属网电极是通过无真空溶液处理方法制造的，该方法可扩展以实现经济高效的批量生产。我们还研究了具有各种网格图案的可拉伸金属丝网电极的断裂和疲劳机理，并观察了一次和循环拉伸条件下的不同行为。我们针对金属网可拉伸TE进行的固溶处理制造方法，失效机理研究以及设备演示，将有助于在可拉伸和可穿戴电子应用中采用这种有前途的高性能方法。我们还研究了具有各种网格图案的可拉伸金属网电极的断裂和疲劳机理，并观察了一次和循环拉伸条件下的不同行为。我们针对金属网可拉伸TE进行的固溶处理制造方法，失效机理研究以及设备演示，将有助于在可拉伸和可穿戴电子应用中采用这种有前途的高性能方法。我们还研究了具有各种网格图案的可拉伸金属丝网电极的断裂和疲劳机理，并观察了一次和循环拉伸条件下的不同行为。我们对金属网可拉伸TE进行的固溶处理制造方法，失效机理研究和设备演示，将有助于在可拉伸和可穿戴电子应用中采用这种有前途的高性能方法。

更新日期：2018-05-25

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