Charge transfer between reduced graphene oxide sheets on insulating substrates
Charge transfer between reduced graphene oxide sheets on insulating substrates
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DOI：
10.1063/1.4817252
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发表时间：
2013-07
影响因子：
4
通讯作者：
Yue Shen;Xueqiang Zhang;Ying Wang;Xuejiao Zhou;Jun Hu;Shouwu Guo;Yi（张益） Zhang
中科院分区：
文献类型：
--
作者：
Yue Shen;Xueqiang Zhang;Ying Wang;Xuejiao Zhou;Jun Hu;Shouwu Guo;Yi（张益） Zhang
了解放置在绝缘衬底上的石墨烯之间的电学联系对于合理设计功能性石墨烯纳米电子学具有重要的价值。在这篇论文中，我们报道了绝缘衬底上数百纳米间隔的氧化石墨烯(RGO)薄膜之间的电荷转移。我们发现RGO片通过介电表面收集相邻带电的RGO片上的电荷。分离的RGO片之间的电荷转移效率取决于它们的间隔距离、间隙长度和衬底类型。研究结果表明，在石墨烯电路中，电荷互流不应被忽略。
Understanding the electrical communications between graphene sheets placed on insulating substrates is of great value to rational design of functional graphene nanoelectronics. In this paper, we report charge transfer between reduced graphene oxide (rGO) sheets separated in hundreds of nanometers on insulating substrates. We found that the rGO sheet collects charges from the adjacent charged rGO sheet through the dielectric surfaces. The efficiency of charge transfer between the separated rGO sheets is dependent on their separation distance, gap length, and the substrate type. The findings suggest that the charge interflow should not be neglected in a graphene circuit.