Electrical switching of high-performance bioinspired nanocellulose nanocomposites
- Sep 27, 2021
- 1 min read
Read the full article here: Nat Commun 12, 1312 (2021)
by D. Jiao, F. Lossada, J. Guo, O. Skarsetz, D. Hoenders, J. Liu and A. Walther
Nature fascinates with living organisms showing mechanically adaptive behavior. In contrast to gels or elastomers, it is profoundly challenging to switch mechanical properties in stiff bioinspired nanocomposites as they contain high fractions of immobile reinforcements. Here, we introduce facile electrical switching to the field of bioinspired nanocomposites, and show how the mechanical properties adapt to low direct current (DC). This is realized for renewable cellulose nanofibrils/polymer nanopapers with tailor-made interactions by deposition of thin single-walled carbon nanotube electrode layers for Joule heating. Application of DC at specific voltages translates into significant electrothermal softening via dynamization and breakage of the thermo-reversible supramolecular bonds. The altered mechanical properties are reversibly switchable in power on/power off cycles. Furthermore, we showcase electricity-adaptive patterns and reconfiguration of deformation patterns using electrode patterning techniques. The simple and generic approach opens avenues for bioinspired nanocomposites for facile application in adaptive damping and structural materials, and soft robotics.
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Interesting article on electrical switching of high-performance bioinspired nanocellulose nanocomposites presented by Walther Group. The research highlights innovative approaches to sustainable materials and their tunable electrical properties, opening pathways for advanced functional devices. Applying the Gibbs Cycle of Reflection, the study can be appreciated through observation, conceptualization, analysis, and experimentation in materials science for future applications in nanotechnology research development.
The part about electrically switching bioinspired nanocellulose nanocomposites really stood out, especially how the article explains their potential for high-performance materials that can respond to external electrical signals. I found the connection between sustainability and advanced material engineering particularly interesting, since it shows how natural sources like cellulose are being adapted for very high-tech applications.
It also made me think about how complex scientific ideas often need careful structuring to be communicated clearly, whether in research papers or even academic contexts where students sometimes look at Nursing Dissertation Examples UK by Native Assignment Help when trying to understand how to organise detailed technical information. Do you think bioinspired materials like this will become more common in everyday electronic devices soon?