• 文献标题:   Nonvolatile memory behavior of nanocrystalline cellulose/graphene oxide composite films
  • 文献类型:   Article
  • 作  者:   VALENTINI L, CARDINALI M, FORTUNATI E, KENNY JM
  • 作者关键词:  
  • 出版物名称:   APPLIED PHYSICS LETTERS
  • ISSN:   0003-6951 EI 1077-3118
  • 通讯作者地址:   Univ Perugia
  • 被引频次:   19
  • DOI:   10.1063/1.4898601
  • 出版年:   2014

▎ 摘  要

With the continuous advance of modern electronics, the demand for nonvolatile memory cells rapidly grows. In order to develop post-silicon electronic devices, it is necessary to find innovative solutions to the eco-sustainability problem of materials for nonvolatile memory cells. In this work, we realized a resistive memory device based on graphene oxide (GO) and GO/cellulose nanocrystals (CNC) thin films. Aqueous solutions of GO and GO with CNC have been prepared and drop cast between two metal electrodes. Such thin-film based devices showed a transition between low and high conductivity states upon the forward and backward sweeping of an external electric field. This reversible current density transition behavior demonstrates a typical memory characteristic. The obtained results open an easy route for electronic information storage based on the integration of nanocrystalline cellulose onto graphene based devices. (C) 2014 AIP Publishing LLC.