Leaf-inspired multiresponsive MXene-based actuator for programmable smart devices
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TLDR
An unprecedented bilayer-structured actuator based on MXene (Ti3C2Tx)–cellulose composites and polycarbonate membrane, which mimic not only the sophisticated leaf structure but also the energy-harvesting and conversion capabilities.Abstract:
Natural leaves, with elaborate architectures and functional components, harvest and convert solar energy into chemical fuels that can be converted into energy based on photosynthesis. The energy produced leads to work done that inspired many autonomous systems such as light-triggered motion. On the basis of this nature-inspired phenomenon, we report an unprecedented bilayer-structured actuator based on MXene (Ti3C2T x )-cellulose composites (MXCC) and polycarbonate membrane, which mimic not only the sophisticated leaf structure but also the energy-harvesting and conversion capabilities. The bilayer actuator features multiresponsiveness, low-power actuation, fast actuation speed, large-shape deformation, programmable adaptability, robust stability, and low-cost facile fabrication, which are highly desirable for modern soft actuator systems. We believe that these adaptive soft systems are attractive in a wide range of revolutionary technologies such as soft robots, smart switch, information encryption, infrared dynamic display, camouflage, and temperature regulation, as well as human-machine interface such as haptics.read more
Citations
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The world of two-dimensional carbides and nitrides (MXenes)
TL;DR: A forward-looking review of the field of 2D carbides and nitrides can be found in this article, where the challenges to be addressed and research directions that will deepen the fundamental understanding of the properties of MXenes and enable their hybridization with other 2D materials in various emerging technologies are discussed.
Journal ArticleDOI
Rational Design of Flexible Two-Dimensional MXenes with Multiple Functionalities
Zhongheng Fu,Ning Wang,Dominik Legut,Chen Si,Qianfan Zhang,Shiyu Du,Timothy C. Germann,Joseph S. Francisco,Ruifeng Zhang +8 more
TL;DR: This review summarizes the recent research progress in the structural stabilities, mechanical strength and deformation mechanism, strain-tunable energy storages, and catalytic and thermoelectric properties along with certain strain modifications and strain-controllable electronic/topological properties of MXenes from a combined theoretical and experimental perspective and illustrates their electronic origins.
Journal ArticleDOI
MXene Printing and Patterned Coating for Device Applications
TL;DR: Printing and pre/post-patterned coating methods represent a whole range of simple, economically efficient, versatile, and eco-friendly manufacturing techniques for devices based on MXenes, and can allow for complex 3D architectures and multifunctionality that are highly required in various applications.
Journal ArticleDOI
Functional Fibers and Fabrics for Soft Robotics, Wearables, and Human-Robot Interface.
TL;DR: Effective integration between the electronic components with garments, human skin, and living organisms is illustrated, presenting multifunctional platforms with self-powered potential for human-robot interactions and biomedicine.
Journal ArticleDOI
Ultrarobust Ti3C2Tx MXene-Based Soft Actuators via Bamboo-Inspired Mesoscale Assembly of Hybrid Nanostructures
Jie Cao,Zehang Zhou,Quancheng Song,Keyu Chen,Gehong Su,Tao Zhou,Zhuo Zheng,Canhui Lu,Xinxing Zhang +8 more
TL;DR: Inspired by the delicate architecture of natural bamboo, a hierarchical gradient structured soft actuator via mesoscale assembly of micro-nano scaled two-Dimentional MXenes and one-dimentional cellulose nanofibers with molecular scaled strong hydrogen bonding is presented.
References
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Guidelines for Synthesis and Processing of Two-Dimensional Titanium Carbide (Ti3C2Tx MXene)
Mohamed Alhabeb,Kathleen Maleski,Babak Anasori,Pavel Lelyukh,Leah Clark,Saleesha Sin,Yury Gogotsi +6 more
TL;DR: Two-dimensional transition metal carbides, carbonitrides, and nitrides (MXenes) were discovered in 2011 and more than 20 different compositions have been synthesized by the selective etching of MAX phase and other precursors and many more theoretically predicted as mentioned in this paper.
Journal ArticleDOI
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Ryosuke Kainuma,Y. Imano,Wataru Ito,Yuji Sutou,Haruhiko Morito,Satoshi Okamoto,Osamu Kitakami,Katsunari Oikawa,Asaya Fujita,Takeshi Kanomata,Kiyohito Ishida +10 more
TL;DR: The magnetic-field-induced shape recovery of a compressively deformed NiCoMnIn alloy is reported, attributing this deformation behaviour to a reverse transformation from the antiferromagnetic (or paramagnetic) martensitic to the ferromagnetic parent phase in the Ni45Co5Mn36.7In13.3 single crystal.
Journal ArticleDOI
Flexible and conductive MXene films and nanocomposites with high capacitance
Zheng Ling,Zheng Ling,Chang E. Ren,Meng-Qiang Zhao,Jian Yang,Jian Yang,James Giammarco,Jieshan Qiu,Michel W. Barsoum,Yury Gogotsi +9 more
TL;DR: This first report (to the authors' knowledge) on MXene composites of any kind, shows that adding polymer binders/spacers between atomically thin MXenes layers or reinforcing polymers with MXenes results in composite films that have excellent flexibility, good tensile and compressive strengths, and electrical conductivity that can be adjusted over a wide range.
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MXene Ti3C2: An Effective 2D Light-to-Heat Conversion Material
TL;DR: A carefully designed aqueous droplet light heating system along with a thorough mathematical procedure leads to a precise determination of internal light-to-heat conversion efficiency of a variety of nanomaterials, suggesting that MXene is a very promising light- to- Heat conversion material and thus deserves more research attention toward practical applications.
Journal ArticleDOI
Conducting polymer artificial muscles
TL;DR: In this paper, the application of conducting polymers for the direct conversion of electrical energy to mechanical energy in electromechanical actuators is analyzed using theoretical and experimental results, and basic principles of operation, predicted performance advantages and disadvantages, comparisons with natural muscle, evaluations of initial device demonstrations, and methods for improving device performance are provided.