Influence of cellulose nanocrystal surface functionalization on the bending response of cellulose nanocrystal/ionic liquid soft actuators

Correia, Daniela M.; Lizundia, Erlantz; Fernandes, Liliana C.; Costa, Carlos M.; Lanceros‐Méndez, S.

doi:10.1039/d1cp00289a

Cited by 4 publications

(3 citation statements)

References 37 publications

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“…Nanocelluloses have been explored as alternative cellulosic materials to avoid cellulose dissolution by ILs. 386 Although ILs are still required to provide ion species, the amount of ILs is reduced, enhancing the process environmental and economic sustainability. 387 In this sense, CNCs were used to obtain free- standing films and hydrogels anionic soft actuators.…”

Section: Stimuli-responsive Materialsmentioning

confidence: 99%

Cellulose-Based Ionic Conductor: An Emerging Material toward Sustainable Devices

Lizundia

et al. 2023

Chem. Rev.

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Ionic conductors (ICs) find widespread applications across different fields, such as smart electronic, ionotronic, sensor, biomedical, and energy harvesting/storage devices, and largely determine the function and performance of these devices. In the pursuit of developing ICs required for better performing and sustainable devices, cellulose appears as an attractive and promising building block due to its high abundance, renewability, striking mechanical strength, and other functional features. In this review, we provide a comprehensive summary regarding ICs fabricated from cellulose and cellulose-derived materials in terms of fundamental structural features of cellulose, the materials design and fabrication techniques for engineering, main properties and characterization, and diverse applications. Next, the potential of cellulose-based ICs to relieve the increasing concern about electronic waste within the frame of circularity and environmental sustainability and the future directions to be explored for advancing this field are discussed. Overall, we hope this review can provide a comprehensive summary and unique perspectives on the design and application of advanced cellulose-based ICs and thereby encourage the utilization of cellulosic materials toward sustainable devices.

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Section: Stimuli-responsive Materialsmentioning

confidence: 99%

Cellulose-Based Ionic Conductor: An Emerging Material toward Sustainable Devices

Lizundia

et al. 2023

Chem. Rev.

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“…Nanocellulose have been utilized to fabricate ion actuators with high mechanical strength, lightweight, and strong ion migration effect. [57][58][59][60] For instance, Reid et al doped CNCs into a non-electrically responsive polyacrylamide to fabricate nanocomposite hydrogel actuators with strong field-induced bending response and long lifetime. 61 The actuation speed of CNC-polyacrylamide hydrogels depended on the content of CNCs and the density of sulfate groups on the surface of CNCs.…”

Section: Nanocellulose-based Electrochemical Actuatorsmentioning

confidence: 99%

“…Upon application of an electrical field to the actuator, the cations with larger molecule size and smaller anions inside the membrane migrated towards the cathode and anode sides respectively, resulting in actuator bending. Nanocellulose have been utilized to fabricate ion actuators with high mechanical strength, lightweight, and strong ion migration effect 57–60 . For instance, Reid et al doped CNCs into a non‐electrically responsive polyacrylamide to fabricate nanocomposite hydrogel actuators with strong field‐induced bending response and long lifetime 61 .…”

Section: Nanocellulose‐based Actuators With Homogeneous Structurementioning

confidence: 99%

Nanocellulose‐based soft actuators and their applications

Cui,

Lin,

et al. 2023

Journal of Polymer Science

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Nanocellulose has aroused growing attention in the design and fabrication of multifarious soft actuators thanks to its abundant source, appropriate mechanical properties, and sustainability. In this mini‐review, an up‐to‐date account of recent progresses in nanocellulose‐based actuators with homogeneous and heterogeneous structures is provided. The fundamental design concepts and synthesis strategies for nanocellulose‐based soft actuators with a wide array of micro‐architecture are described. Moreover, their actuation mechanisms, structure–function relationships, and emerging applications in the fields of soft robotics, biomedical science and bioelectronics are highlighted. Finally, a brief conclusion, the current challenges, and future perspectives in the development of nanocellulose‐based actuators is presented. This mini‐review provides new insights into the fundamental research and the technological application of advanced nanocellulose‐based soft actuators.

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Printable ionic liquid modified cellulose acetate for sustainable chromic and resistive temperature sensing

Cruz,

Castro,

Fernandes

et al. 2024

Sustainable Materials and Technologies

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Influence of cellulose nanocrystal surface functionalization on the bending response of cellulose nanocrystal/ionic liquid soft actuators

Abstract: This work reports the development of renewable cellulose nanocrystal (CNC) and ionic liquid (IL) hybrid materials for bending actuator applications. For this purpose, cellulose nanocrystals with different surface charges (neutral,...

Cited by 4 publications

References 37 publications

Cellulose-Based Ionic Conductor: An Emerging Material toward Sustainable Devices

Cellulose-Based Ionic Conductor: An Emerging Material toward Sustainable Devices

Nanocellulose‐based soft actuators and their applications

Printable ionic liquid modified cellulose acetate for sustainable chromic and resistive temperature sensing

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