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A facile and economical process for high-performance and flexible transparent conductive film based on reduced graphene oxides and silver nanowires
Journal of Nanoparticle Research ( IF 2.1 ) Pub Date : 2020-01-27 , DOI: 10.1007/s11051-020-4751-7
Rui Zhang , Yu Liao , Yihua Zhou , Jun Qian

The one-dimensional (1D) silver nanowires (AgNWs) with high transmittance, high electronic conductivity and two-dimensional (2D) reduced graphene oxide (rGO) both emerge as leading candidates for the development of next-generation transparent conductive films (TCFs). However, the relatively high sheet resistance of rGO and the poor corrosion resistance of AgNWs hinder them to fabricating TCFs independently in practical applications. Here, we used rGO bridging discrete AgNWs, improving conductivity and corrosion resistance of AgNW networks. In this work, firstly, graphene oxide (GO)/AgNW aqueous dispersions were prepared, in which GO played multiple roles as a dispersant to promote the stability of GO/AgNW aqueous dispersions as well. And then the rGO/AgNW hybrid films were successfully fabricated by a facile vacuum filtration followed by dry transfer to polyethylene (PE) substrates and subsequent reduction by hydroiodic acid (HI) vapor at 60 °C. The rGO/AgNW/PE TCF exhibited excellent optical and electrical properties (91.488% at 550 nm and 83.86 Ω/sq). The deposit density of rGO and AgNWs was merely 15.92 mg/m2 and 79.58 mg/m2, respectively.



中文翻译:

基于还原的氧化石墨烯氧化物和银纳米线的高性能,柔性透明导电膜的简便,经济方法

具有高透射率,高电子电导率和二维(2D)还原氧化石墨烯(rGO)的一维(1D)银纳米线(AgNW)都成为下一代透明导电膜(TCF)开发的主要候选对象。然而,rGO的较高的薄层电阻和AgNW的较差的耐腐蚀性阻碍了它们在实际应用中独立地制造TCF。在这里,我们使用rGO桥接离散的AgNW,提高了AgNW网络的导电性和耐腐蚀性。在这项工作中,首先,制备了氧化石墨烯(GO)/ AgNW水分散体,其中GO充当了分散剂,同时也促进了GO / AgNW水分散体的稳定性。然后,通过轻松的真空过滤,然后干法转移到聚乙烯(PE)基材上,然后在60°C下用氢碘酸(HI)蒸汽还原,成功地制备了rGO / AgNW杂化膜。rGO / AgNW / PE TCF表现出出色的光学和电气特性(在550 nm和83.86Ω/ sq时为91.488%)。rGO和AgNWs的沉积密度仅为15.92 mg / m2和79.58 mg / m 2

更新日期:2020-01-27
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