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Article
Chemistry, Multidisciplinary
Wonkyeong Son et al.
Summary: In this study, a twist-stable and hydrophilic coiled carbon nanotube (CNT) yarn was prepared by the easy electrochemical oxidation (ECO) method. The resulting yarns showed increased density and capacitance, and were fabricated into stretchable supercapacitors.
Article
Chemistry, Multidisciplinary
Peidi Zhou et al.
Summary: This study introduces a new-type pressure-perceptive actuator that integrates sensing, actuating, and decision-making functions at material level without complex combination. The actuator, composed of actuating and pressure-sensing units fabricated by carbon nanotube (CNT), silk, and polymer composite, operates on low voltages and can control current passing the pressure-sensing unit through tactile pressure. A portable tactile-activated gripper is demonstrated for object manipulation, and visual logic gates using CNT-silk-based material for sensing and actuating are proposed for decision-making processes in intelligent soft robots and logic devices.
Article
Chemistry, Multidisciplinary
Wonkyeong Son et al.
Summary: A rapidly recoverable high-power hydro-actuator has been achieved by designing biomimetic carbon nanotube yarns, which demonstrate structural stability and high contractile work, recovery speed, actuation frequency, and power density.
Article
Multidisciplinary Sciences
Sitong Li et al.
Summary: This study develops a microfluidic manipulation system that can sense and control liquid flow. Torsional and tensile actuators using hollow fibres with spiral nonlinear stress are employed to sense fluid temperature and sort the fluid into desired vessels. The fluid-driven actuators show increased response speed and power density compared to air-driven actuators. This work provides a new design strategy for intelligent microfluidics and inspiration for soft robots and smart devices for biological, optical, or magnetic applications.
NATURE COMMUNICATIONS
(2022)
Article
Multidisciplinary Sciences
Mingtong Li et al.
Summary: Wireless small-scale soft actuators, utilizing the interactions between coiled artificial muscle and radio frequency-magnetic heating, have been developed to address the constraints of current miniature soft actuators. These wirelessly controlled actuators exhibit a large output force and high work capacity, and can be designed into various functional devices for minimally invasive medical applications.
Review
Chemistry, Multidisciplinary
Jiaqing Xiong et al.
Summary: Soft robotics inspired by living organisms' movement offer excellent adaptability and accuracy, making them highly desirable for efficient operations and safe interactions with humans. Advances in wearable electronics have led to a pursuit for higher tactility and skin affinity for safe and user-friendly human-robot interactions. The utilization of dynamic fibers and fabrics in soft-robots and wearables is becoming increasingly favored for their active stimulus responses.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Physical
Alice Castan et al.
Summary: Resonant Raman spectroscopy is a widely used technique for characterizing single-walled carbon nanotubes, providing direct information on their structure. This study compared diameter distributions obtained through Raman peak counting with those from transmission electron microscopy, revealing differences due to chirality-dependence and the limited excitation wavelengths used. The effects of substrate and TEM-related biases were also discussed.
Article
Chemistry, Multidisciplinary
Ming Ren et al.
Summary: An ionic-liquid-in-nanofibers sheathed carbon nanotube yarn muscle has been developed, which is strong, stable, and able to achieve a high contraction rate through utilizing accumulated isometric stress. These yarn muscles are tightly bundled, making them suitable for lifting heavy weights and gripping objects, and can serve as desirable actuation components for robotic devices.
Article
Materials Science, Biomaterials
Lizhong Dong et al.
Summary: Spider dragline silk yarns with moderate twists can generate improved lengthwise contraction upon water exposure, showing programmable contractile actuations. These programmable reversible contractions can be applied in humidity alarm switches, smart doors, and wound healing devices, providing various application scenarios.
ACS BIOMATERIALS SCIENCE & ENGINEERING
(2021)
Article
Chemistry, Multidisciplinary
Xiyao Fu et al.
Summary: MXene materials have been successfully applied in electronic skins, showing excellent performance compared to other electrodes. The flexible device with Ti3C2Tx MXene electrodes exhibits high sensitivity, fast response time, low detection limit, and robust mechanical stability.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Review
Materials Science, Multidisciplinary
Li-sha Zhang et al.
Summary: Flexible stimuli-responsive materials play a crucial role in smart PPE, enhancing protection and reducing occupational injuries. These materials can intelligently sense, change surfaces, and self-heal, with high potential for various applications.
MATERIALS SCIENCE & ENGINEERING R-REPORTS
(2021)
Article
Multidisciplinary Sciences
Hetao Chu et al.
Summary: The study found unipolar stroke carbon nanotube yarn muscles with enhanced stroke, contractile work-per-cycle, contractile power densities, and energy conversion efficiencies, offering potential for expanding their applications.
Review
Chemistry, Multidisciplinary
Aniket Pal et al.
Summary: The rapidly growing field of soft robotics has shown that using mechanical instabilities can enhance the actuation speed and output power of soft robots, overcoming the limitations imposed by the materials used. Researchers are also using structural phase transitions to address challenges in soft robotic control, sensing, and actuation. Approaches utilizing instabilities to create soft logic modules for material intelligence and distributed computational capabilities are also being explored.
ADVANCED MATERIALS
(2021)
Article
Robotics
Yusen Zhao et al.
Summary: This new hydrogel material combines high electrical conductivity and mechanical toughness, enabling piezoresistive sensing and photo/thermal actuation functions, overcoming limitations of conventional physically integrated sensory actuator systems.
Article
Robotics
Diego R. Higueras-Ruiz et al.
Summary: This study introduces a fluid-driven muscle-like actuator made from inexpensive polymer tubes, which exhibit efficient and powerful actuation capabilities through specific processing steps. By drawing, twisting, and coiling the tubes, these cavatappi artificial muscles can achieve significant contraction under hydraulic or pneumatic activation, displaying high mechanical contractile efficiencies. Given their impressive specific work and power, further development of this technology is expected to yield even higher performance in the future.
Article
Chemistry, Multidisciplinary
Yande Cui et al.
Summary: This study presents a simple and effective strategy for designing and fabricating tendril-inspired hydrogel artificial muscles with high actuation rate, large actuation strain, and shape memory property in response to solvents. The actuation performances of hydrogel muscles are influenced by factors such as chirality, twist density, applied stress, and temporary shape, and a homochiral hydrogel muscle shows comparable contractile work capacity with natural muscles, demonstrating great potential for biomedical applications.
Article
Materials Science, Multidisciplinary
Chiao-Yueh Lo et al.
Summary: This study presents a soft robotic strategy that couples actuation and strain sensing into a single homogeneous material, which exhibits photo/thermal-responsiveness and piezoresistive-responsiveness, enabling remotely-triggered actuation and local strain-sensing. The material demonstrated ultra-high stretchability and large volume shrinkage, with a drastic change in conductivity upon locomotion. The multifunctional sensory actuatable materials may lead to the next generation of soft robots with higher levels of autonomy and complexity.
Article
Chemistry, Physical
Lianjia Zhao et al.
Summary: This study successfully designed a highly-stable electronic skin by incorporating PVA to improve the stability of MXene in harsh environments, demonstrating excellent biocompatibility and functionality.
Article
Chemistry, Multidisciplinary
Lizhong Dong et al.
Summary: This study presents a novel Ti3C2Tx MXene/SWCNTs-coated carbon nanotube@PDMS coaxial muscle fiber with self-position sensing and bi-lengthwise actuation capabilities. By utilizing the expansion properties of PDMS and the piezoresistive effect of the MXene/SWCNTs layer, real-time muscle position sensing and multifunctional actuator design are achieved.
MATERIALS HORIZONS
(2021)
Article
Chemistry, Multidisciplinary
Ke He et al.
ADVANCED MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Fangyi Guan et al.
Article
Chemistry, Physical
Wen He et al.
Article
Chemistry, Multidisciplinary
Run Wang et al.
MATERIALS HORIZONS
(2020)
Article
Chemistry, Multidisciplinary
Yulian Wang et al.
MATERIALS HORIZONS
(2020)
Editorial Material
Multidisciplinary Sciences
Hod Lipson
Article
Multidisciplinary Sciences
Dabiao Liu et al.
Article
Robotics
Sima Umrao et al.
Article
Nanoscience & Nanotechnology
Jin-Oh Kim et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Article
Chemistry, Multidisciplinary
Luzhuo Chen et al.
ADVANCED FUNCTIONAL MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Tianjiao Jia et al.
ADVANCED FUNCTIONAL MATERIALS
(2019)
Article
Multidisciplinary Sciences
Mehmet Kanik et al.
Article
Multidisciplinary Sciences
Jiuke Mu et al.
Article
Nanoscience & Nanotechnology
Mohit Rameshchandra Kulkarni et al.
ACS APPLIED MATERIALS & INTERFACES
(2017)
Article
Chemistry, Physical
Kathleen Maleski et al.
CHEMISTRY OF MATERIALS
(2017)
Review
Nanoscience & Nanotechnology
Georgi V. Stoychev et al.
ACS APPLIED MATERIALS & INTERFACES
(2016)
Article
Nanoscience & Nanotechnology
Peining Chen et al.
NATURE NANOTECHNOLOGY
(2015)
Article
Multidisciplinary Sciences
Carter S. Haines et al.
Article
Multidisciplinary Sciences
Marcio D. Lima et al.
