Cellulose nanofibers/reduced graphene oxide flexible transparent conductive paper

Kezheng Gao, Ziqiang Shao*, Xue Wu, Xi Wang, Jia Li, Yunhua Zhang, Wenjun Wang, Feijun Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

147 Citations (Scopus)

Abstract

The cellulose nanofibers (CNFs) paper exhibit high visible light transmittance, high mechanical strength, and excellent flexibility. Therefore, CNFs paper may be an excellent substrate material for flexible transparent electronic devices. In this paper, we endeavor to prepare CNFs-based flexible transparent conductive paper by layer-by-layer (LbL) assembly using divalent copper ions (Cu2+) as the crosslinking agent. The thickness of the reduced graphene oxide (RGO) active layer in the CNFs paper can be controlled by the cycle times of the LbL assembly. CNFs/[RGO]20 paper has the sheet resistances of ~2.5 kΩ/□, and the transmittance of about 76% at a wavelength of 550 nm. Furthermore, CNFs/[RGO]20 paper inherits the excellent mechanical properties of CNFs paper, and the ultimate strength is about 136 MPa. CNFs-based flexible transparent conductive paper also exhibits excellent electrical stability and flexibility.

Original languageEnglish
Pages (from-to)243-251
Number of pages9
JournalCarbohydrate Polymers
Volume97
Issue number1
DOIs
Publication statusPublished - 2013

Keywords

  • Cellulose nanofiber
  • Flexible transparent conductive paper
  • Layer-by-layer assembly
  • Reduced graphene oxide

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