Nanocellulose : Recent Fundamental Advances and Emerging Biological and Biomimicking Applications

Katja Heise, Eero Kontturi*, Yagut Allahverdiyeva, Tekla Tammelin, Markus B. Linder, Nonappa, Olli Ikkala

*Corresponding author for this work

Research output: Contribution to journalReview ArticleScientificpeer-review

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Abstract

In the effort toward sustainable advanced functional materials, nanocelluloses have attracted extensive recent attention. Nanocelluloses range from rod-like highly crystalline cellulose nanocrystals to longer and more entangled cellulose nanofibers, earlier denoted also as microfibrillated celluloses and bacterial cellulose. In recent years, they have spurred research toward a wide range of applications, ranging from nanocomposites, viscosity modifiers, films, barrier layers, fibers, structural color, gels, aerogels and foams, and energy applications, until filtering membranes, to name a few. Still, nanocelluloses continue to show surprisingly high challenges to master their interactions and tailorability to allow well-controlled assemblies for functional materials. Rather than trying to review the already extensive nanocellulose literature at large, here selected aspects of the recent progress are the focus. Water interactions, which are central for processing for the functional properties, are discussed first. Then advanced hybrid gels toward (multi)stimuli responses, shape-memory materials, self-healing, adhesion and gluing, biological scaffolding, and forensic applications are discussed. Finally, composite fibers are discussed, as well as nanocellulose as a strategy for improvement of photosynthesis-based chemicals production. In summary, selected perspectives toward new directions for sustainable high-tech functional materials science based on nanocelluloses are described.

Original languageEnglish
Article number2004349
Number of pages30
JournalAdvanced Materials
Early online date2 Dec 2020
DOIs
Publication statusE-pub ahead of print - 2 Dec 2020
MoE publication typeA2 Review article in a scientific journal

Keywords

  • cellulose nanocrystals
  • cellulose nanofibers
  • functional matter
  • nanocellulose
  • nanofibrillated cellulose

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