State Key Laboratory of Pulp & Paper Engineering, South China University of Technology , Guangzhou 510640, Guangdong, PR China.
Department of Chemical Engineering, Monash University , Clayton, Victoria 3800, Australia.
ACS Appl Mater Interfaces. 2017 May 17;9(19):16466-16473. doi: 10.1021/acsami.7b02433. Epub 2017 May 3.
Conductive paper has low-cost, lightweight, sustainability, easy scale-up, and tailorable advantages, allowing for its promising potential in flexible electronics, such as bendable supercapacitors, solar cells, electromagnetic shields, and actuators. Ionic gels, exhibiting a lower Young's modulus together with facile manufacturing, can fully serve as the conductive component to prepare conductive paper. Herein we report a low-cost (∼1.3 dollars/m), continuous, and high-throughput (up to ∼30 m/min) fabrication of reliable and long-term (stable for more than two months) conductive paper. As-prepared conductive paper shows a high electrical durability with negligible bending-recovering signal changes over 5000 cycles. Using this ionic gel paper (IGP) as a key component, we build a variety of proof-of-principle demonstrations to show the capacity of IGP in constructing flexible electroluminescent devices with diverse patterns, including a square, an alphabetic string, and a laughing face. Our methodology has the potential to open a new powerful route to fabricate bendable conductive paper for a myriad of applications in future flexible electronics.
导电纸具有低成本、重量轻、可持续性、易于规模化和可定制的优点，使其在柔性电子产品中具有广阔的应用前景，例如可弯曲的超级电容器、太阳能电池、电磁屏蔽和致动器。离子凝胶具有较低的杨氏模量和易于制造的特点，可完全作为导电组件来制备导电纸。本文报道了一种低成本（约 1.3 美元/米）、连续和高通量（高达 30 米/分钟）的可靠且长期（稳定超过两个月）的导电纸的制备方法。所制备的导电纸具有很高的电耐久性，在 5000 次弯曲恢复循环中信号变化可忽略不计。使用这种离子凝胶纸（IGP）作为关键组件，我们构建了各种原理验证演示，展示了 IGP 在构建具有各种图案的柔性电致发光器件方面的能力，包括正方形、字母串和笑脸。我们的方法有可能为未来柔性电子产品中制造可弯曲的导电纸开辟一条新的强大途径。
