期刊
ACS NANO
卷 15, 期 3, 页码 3646-3673出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.0c07613
关键词
nanocellulose; cellulose nanofibrils; cellulose nanofiber; fiber alignment; bacterial cellulose; functional materials; anisotropic properties; nanocellulose self-assembly
类别
资金
- U.S. Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy, Advanced Manufacturing Office [DE-AC05-00OR22725]
- UT-Battelle LLC
- U.S. Department of Energy [DEAC05-00OR22725, 4000174848]
- U.S. National Science Foundation [1362256, 1936452]
- U.S. DOE [DE-AC05-00OR22725]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1936452] Funding Source: National Science Foundation
Cellulose nanofibers form hierarchical structures and the alignment of these fibers significantly influences the performance of materials. Reviews on cellulose nanofibers alignment are limited, but offer opportunities for future research and development.
In nature, cellulose nanofibers form hierarchical structures across multiple length scales to achieve high-performance properties and different functionalities. Cellulose nanofibers, which are separated from plants or synthesized biologically, are being extensively investigated and processed into different materials owing to their good properties. The alignment of cellulose nanofibers is reported to significantly influence the performance of cellulose nanofiber-based materials. The alignment of cellulose nanofibers can bridge the nanoscale and macroscale, bringing enhanced nanoscale properties to high-performance macroscale materials. However, compared with extensive reviews on the alignment of cellulose nanocrystals, reviews focusing on cellulose nanofibers are seldom reported, possibly because of the challenge of aligning cellulose nanofibers. In this review, the alignment of cellulose nanofibers, including cellulose nanofibrils and bacterial cellulose, is extensively discussed from different aspects of the driving force, evaluation, strategies, properties, and applications. Future perspectives on challenges and opportunities in cellulose nanofiber alignment are also briefly highlighted.
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