Eco-Friendly Bioinspired Interface Design for High-Performance Cellulose Nanofibril/Carbon Nanotube Nanocomposites

Cunzhi Zhang, Guixian Chen, Xijun Wang, Shenghui Zhou, Jie Yu, Xiao Feng, Lengwan Li, Pan Chen, Haisong Qi*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

Inspired by a wood-like multicomponent structure, an interface-reinforced method was developed to fabricate high-performance cellulose nanofibril (CNF)/carbon nanotube (CNT) nanocomposites. Holocellulose nanofibrils (HCNFs) with core-shell structure were first obtained from bagasse via mild delignification and mechanical defibration process. The well-preserved native hemicellulose as the amphiphilic shell of HCNFs could act as a binding agent, sizing agent, and even dispersing agent between HCNFs and CNTs. Remarkably, both the tensile strength at high relative humidity (83% RH) and electrical conductivity of the HCNF/CNT nanocomposites were significantly improved up to 121 MPa and 321 S/m, respectively, demonstrating great superiority compared to normal CNF/CNT composite films. Furthermore, these HCNF/CNT composites with outstanding integrated performances exhibited great potential in the field of flexible liquid sensing.

Original languageEnglish
Pages (from-to)55527-55535
Number of pages9
JournalACS applied materials & interfaces
Volume12
Issue number49
DOIs
Publication statusPublished - 9 Dec 2020

Keywords

  • amphiphilic polysaccharides
  • bioinspired nanocomposites
  • carbon nanotubes
  • holocellulose nanofibrils
  • liquid sensor

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Zhang, C., Chen, G., Wang, X., Zhou, S., Yu, J., Feng, X., Li, L., Chen, P., & Qi, H. (2020). Eco-Friendly Bioinspired Interface Design for High-Performance Cellulose Nanofibril/Carbon Nanotube Nanocomposites. ACS applied materials & interfaces, 12(49), 55527-55535. https://doi.org/10.1021/acsami.0c19099