Issue 26, 2015

Transparent nanocellulose hybrid films functionalized with ZnO nanostructures for UV-blocking

Abstract

Transparent, nanocellulose–ZnO (NC–ZnO) hybrid films were fabricated via a pressure controlled extrusion process using NC fibrils and sheet-like ZnO (s-ZnO) or belt-like ZnO (b-ZnO) nanostructures. The s-ZnO and b-ZnO conjoined with the NC fibrils to form a heterogeneous, fibrous network structure. The NC–ZnO hybrid films with different amounts of ZnO nanostructures showed a synergic feature of high optical transparency and excellent UV-blocking. The results indicated that NC assembled with s-ZnO hybrid film possessed excellent UV-blocking ability in a wide range from 200 to 375 nm, in contrast to NC–b-ZnO. Moreover, the prominent thermal and photo stability of transparent NC–ZnO hybrid films enhanced extensibility and ease of use for diverse biological applications, which require tolerance of temperature changes.

Graphical abstract: Transparent nanocellulose hybrid films functionalized with ZnO nanostructures for UV-blocking

Supplementary files

Article information

Article type
Paper
Submitted
23 Mar 2015
Accepted
25 May 2015
First published
26 May 2015

J. Mater. Chem. C, 2015,3, 6717-6724

Author version available

Transparent nanocellulose hybrid films functionalized with ZnO nanostructures for UV-blocking

Y. Jiang, Y. Song, M. Miao, S. Cao, X. Feng, J. Fang and L. Shi, J. Mater. Chem. C, 2015, 3, 6717 DOI: 10.1039/C5TC00812C

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