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Laser Scribed Graphene/Polymer composites: A Possible Verification of Carbon Nano-Coil Inductors
Current Applied Physics ( IF 2.4 ) Pub Date : 2020-06-01 , DOI: 10.1016/j.cap.2020.06.008
Benjamin Barnes , Ibrahim Elkholy , Nathan Bane , Justin Derickson , Kausik S. Das

Abstract There is great interest in so-called nano-electronic devices due to the furious rate of device miniaturization. Fabrica-tion of micro and nano scale resistors and capacitors have already been achieved steadily, but so far, there has been little development in the way of nano-scale coil inductors. This is because of the physical limitations in miniaturiza-tion of the design of a solenoid with wires coiled around a metallic core. So, while transistors get steadily smaller, basic inductors in electronics remained relatively bulky. Few methods exist for creating conductive polymer coils and graphene-based kinetic nano-inductors, but their large-scale fabrication process is complex and mostly beyond the current commercial technology available. So, a simpler, scalable, and robust fabrication technique is needed to overcome this bottleneck. In this work we demonstrate a new technique consisting of the laser lithography using a laser engraver of a (poly)vinyl alcohol (PVA)/graphene oxide film composite which results in a large inductive effect. We attribute this behavior to the formation of high curvature twisted screw dislocation type conductive pathways composed of polyacetylene chains linked by pi-pi interactions to reduced graphene oxide flakes resulting in inductive effect.

中文翻译:

激光划线石墨烯/聚合物复合材料:碳纳米线圈电感器的可能验证

摘要 由于器件小型化的迅猛发展,人们对所谓的纳米电子器件产生了极大的兴趣。微纳米级电阻、电容的制造已经稳步实现,但迄今为止,纳米级线圈电感的研制进展甚微。这是因为在金属芯上缠绕电线的螺线管设计的小型化存在物理限制。因此,虽然晶体管越来越小,但电子产品中的基本电感器仍然相对笨重。用于制造导电聚合物线圈和基于石墨烯的动力学纳米电感器的方法很少,但它们的大规模制造过程很复杂,而且大多超出了当前可用的商业技术。因此,需要一种更简单、可扩展且稳健的制造技术来克服这一瓶颈。在这项工作中,我们展示了一种新技术,包括使用(聚)乙烯醇(PVA)/氧化石墨烯薄膜复合材料的激光雕刻机进行激光光刻,从而产生大的感应效应。我们将这种行为归因于高曲率扭曲螺旋位错型导电通路的形成,该导电通路由通过 pi-pi 相互作用连接到还原氧化石墨烯薄片的聚乙炔链组成,从而导致感应效应。
更新日期:2020-06-01
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