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Nacre-inspired biodegradable nanocellulose/MXene/AgNPs films with high strength and superior gas barrier properties

Lookup NU author(s): Professor David XieORCiD



This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


Super strength and high barrier properties are the bottleneck of the application of cellulose film materials. Herein, it is reported a flexible gas barrier film with nacre-like layered structure, in which 1D TEMPO-oxidized nanocellulose (TNF) and 2D MXene self-assembled to form an interwoven stack structure with 0D AgNPs filling the void space. The strong interaction and dense structure endowed TNF/MX/AgNPs film with mechanical properties far superior to PE films and acid-base stability. Importantly, the film presented ultra-low oxygen permeability confirmed by molecular dynamics simulations and better barrier properties to volatile organic gases than PE films. It is here considered the tortuous path diffusion mechanism of the composite film responsible for the enhanced gas barrier performance. The TNF/MX/AgNPs film also possessed antibacterial properties, biocompatibility and degradability (completely degraded after 150 days in soil). Collectively, the TNF/MX/AgNPs film brings innovative insights into the design and fabrication of high-performance materials.

Publication metadata

Author(s): Tang S, Wu Z, Li X, Xie F, Ye D, Ruiz-Hitzky E, Wei L, Wang X

Publication type: Article

Publication status: Published

Journal: Carbohydrate Polymers

Year: 2023

Volume: 299

Print publication date: 01/01/2023

Online publication date: 11/10/2022

Acceptance date: 06/10/2022

Date deposited: 14/10/2022

ISSN (print): 0144-8617

ISSN (electronic): 1879-1344

Publisher: Elsevier Ltd


DOI: 10.1016/j.carbpol.2022.120204

ePrints DOI: 10.57711/t2vy-cg78


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Funder referenceFunder name
Guangdong Basic and Applied Basic Research Foundation (No. 2020B1515120038 and 2020A1515110004)
Fundamental Research Funds for the Central Universities (No. 2020ZYGXZR066)
National Natural Science Foundation of China (No. 22108087)
Science and Technology Planning Project of Guangzhou City (No. 202102020007)