Chemically modifying the mechanical properties of core–shell liquid metal nanoparticles

Nanoscale ◽  
2019 ◽  
Vol 11 (37) ◽  
pp. 17308-17318 ◽  
Author(s):  
Nicholas J. Morris ◽  
Zachary J. Farrell ◽  
Christopher E. Tabor
Keyword(s):  
Mechanical Properties ◽  
Liquid Metal ◽  
Metal Nanoparticles ◽  
Room Temperature ◽  
Oxide Shell ◽  
Core Shell ◽  
Chemically Modified ◽  
Temperature Liquid ◽  
Passivating Oxide

Eutectic gallium–indium is a room temperature liquid metal that can be readily fabricated into nanoparticles. These particles form a thin, passivating oxide shell that can be chemically modified to change the mechanical properties of the particle.

scholarly journals Ultrathin oxide shell coating of metal nanoparticles using ionic liquid/metal sputtering

2015 ◽  
Vol 3 (11) ◽  
pp. 6177-6186 ◽  
Author(s):  
Tsukasa Torimoto ◽  
Yasuhiro Ohta ◽  
Kazuki Enokida ◽  
Daisuke Sugioka ◽  
Tatsuya Kameyama ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Liquid Metal ◽  
Metal Nanoparticles ◽  
Electrochemical Stability ◽  
Sputter Deposition ◽  
Noble Metal Nanoparticles ◽  
Oxide Shell ◽  
Core Shell ◽  
Ultrathin Oxide

The indium sputter deposition into ionic liquids containing noble metal nanoparticles produces core–shell-structured metal@In2O3 with high thermal and electrochemical stability.

scholarly journals Functional Liquid Metal Nanoparticles: Synthesis and Applications

2021 ◽  
Author(s):  
Cerwyn Chiew ◽  
Maria Morris ◽  
Mohammad H Malakooti
Keyword(s):  
Liquid Metal ◽  
Metal Nanoparticles ◽  
Intelligent Systems ◽  
Room Temperature ◽  
Liquid Metals ◽  
Functional Materials ◽  
Nanoparticles Synthesis ◽  
Temperature Liquid

Room temperature liquid metals are an emerging class of functional materials with applications in a variety of soft intelligent systems. In recent years, efforts have been made to integrate liquid...

scholarly journals Gallium-Indium-Tin Eutectic as a Self-Healing Room-Temperature Liquid Metal Anode for High-Capacity Lithium-Ion Batteries

Materials ◽  
2021 ◽  
Vol 15 (1) ◽  
pp. 168
Author(s):  
Weldejewergis Gebrewahid Kidanu ◽  
Jaehyun Hur ◽  
Il Tae Kim
Keyword(s):  
Electron Microscopy ◽  
Liquid Metal ◽  
Metal Nanoparticles ◽  
Large Scale ◽  
Room Temperature ◽  
Specific Capacity ◽  
Lithium Ion ◽  
Self Healing ◽  
Energy Storage Applications ◽  
Temperature Liquid

Owing to their intrinsic properties, such as deformability, high electrical conductivity, and superior electrochemical performance, room-temperature liquid metals and liquid metal alloys have attracted the attention of researchers for a wide variety of applications, including portable and large-scale energy storage applications. In this study, novel gallium-indium-tin eutectic (EGaInSn) room-temperature liquid metal nanoparticles synthesized using a facile and scalable probe-ultrasonication method were used as anode material in lithium-ion batteries. The morphology, geometry, and self-healing properties of the synthesized room-temperature liquid metal nanoparticles were characterized using scanning electron microscopy (SEM) and transmission electron microscopy (TEM) with energy-dispersive X-ray spectroscopy (SEM/EDS and TEM/EDS). The synthesized room-temperature liquid metal nanoparticles delivered a specific capacity of 474 mAh g–1 and retained 77% of the stable reversible capacity after 500 galvanostatic charge-discharge cycles at a constant current density of 0.1 A g–1. The high theoretical specific capacity, combined with its self-healing and fluidic features, make EGaInSn room-temperature liquid metal nanoparticles a potential anode material for large-scale energy storage applications.

Route to Universally Tailorable Room-Temperature Liquid Metal Colloids via Phosphonic Acid Functionalization

2018 ◽  
Vol 122 (46) ◽  
pp. 26393-26400 ◽  
Author(s):  
Zachary J. Farrell ◽  
Nina Reger ◽  
Ian Anderson ◽  
Ellen Gawalt ◽  
Christopher Tabor
Keyword(s):  
Liquid Metal ◽  
Phosphonic Acid ◽  
Room Temperature ◽  
Metal Colloids ◽  
Temperature Liquid

A room-temperature liquid-metal composite anode for dendrite-free lithium-ion batteries

2021 ◽  
pp. 103062
Author(s):  
Honghao Liu ◽  
Weixin Zhang ◽  
Ji Tu ◽  
Qigao Han ◽  
Yaqing Guo ◽  
...  
Keyword(s):  
Liquid Metal ◽  
Lithium Ion Batteries ◽  
Room Temperature ◽  
Lithium Ion ◽  
Metal Composite ◽  
Composite Anode ◽  
Temperature Liquid

scholarly journals Capacitive Bio-Inspired Flow Sensing Cupula

Sensors ◽  
2019 ◽  
Vol 19 (11) ◽  
pp. 2639 ◽  
Author(s):  
James P. Wissman ◽  
Kaushik Sampath ◽  
Simon E. Freeman ◽  
Charles A. Rohde
Keyword(s):  
Liquid Metal ◽  
Room Temperature ◽  
Sensor Systems ◽  
Complex Flows ◽  
Aquatic Life ◽  
Shark Skin ◽  
Flow Sensing ◽  
Kinematic Theory ◽  
Metal Plates ◽  
Temperature Liquid

Submersible robotics have improved in efficiency and versatility by incorporating features found in aquatic life, ranging from thunniform kinematics to shark skin textures. To fully realize these benefits, sensor systems must be incorporated to aid in object detection and navigation through complex flows. Again, inspiration can be taken from biology, drawing on the lateral line sensor systems and neuromast structures found on fish. To maintain a truly soft-bodied robot, a man-made flow sensor must be developed that is entirely complaint, introducing no rigidity to the artificial “skin.” We present a capacitive cupula inspired by superficial neuromasts. Fabricated via lost wax methods and vacuum injection, our 5 mm tall device exhibits a sensitivity of 0.5 pF/mm (capacitance versus tip deflection) and consists of room temperature liquid metal plates embedded in a soft silicone body. In contrast to existing capacitive examples, our sensor incorporates the transducers into the cupula itself rather than at its base. We present a kinematic theory and energy-based approach to approximate capacitance versus flow, resulting in equations that are verified with a combination of experiments and COMSOL simulations.

Thermosensitive Core-Shell Microgel as a “Nanoreactor” for Metal Nanoparticles

2009 ◽  
Vol 1234 ◽  
Author(s):  
Yan Lu ◽  
Matthias Ballauff
Keyword(s):  
Catalytic Activity ◽  
Metal Nanoparticles ◽  
Room Temperature ◽  
Catalytic Reduction ◽  
Core Shell ◽  
Carrier System ◽  
Volume Transition ◽  
Oxidation Of Alcohols ◽  
Influence Of Temperature On ◽  
Metal Nanocomposites

AbstractIn our study, thermosensitive core-shell microgel particles have been used as the carrier system for the deposition of metal nanoparticles, in which the core consists of polystyrene (PS) whereas the shell consists of poly(N-isopropylacrylamide) (PNIPA) network crosslinked by N, N'-methylenebisacrylamide (BIS). Silver, gold and palladium nanoparticles have been homogeneously embedded into thermosensitive PNIPA-networks, respectively. We demonstrate that the catalytic activity of the microgel-metal nanocomposites can be tuned by the volume transition within the microgel of these systems by using the catalytic reduction of 4-nitrophenol as the model reaction. Moreover, following the concept of a “green chemistry”, the oxidation of alcohols to the corresponding aldehydes or ketones can be carried out in aqueous solution under aerobic conditions at room temperature by using microgel-metal nanocomposites as the catalyst. The influence of temperature on the catalytic activity has been also investigated, which will be affected both by the volume transition of the microgel and by the change of polarity of the microgel in this case.

Oxide-mediated mechanisms of gallium foam generation and stabilization during shear mixing in air

Soft Matter ◽  
2020 ◽  
Vol 16 (25) ◽  
pp. 5801-5805
Author(s):  
Wilson Kong ◽  
Najam Ul Hassan Shah ◽  
Taylor V. Neumann ◽  
Man Hou Vong ◽  
Praveen Kotagama ◽  
...  
Keyword(s):  
Liquid Metal ◽  
Room Temperature ◽  
Metal Foam ◽  
Liquid Gallium ◽  
Air Bubbles ◽  
Foam Generation ◽  
Surface Oxides ◽  
Shear Mixing ◽  
Temperature Liquid

The fracturing and incorporation of liquid gallium surface oxides during shear mixing in air enables the stabilization of air bubbles within gallium which leads to the formation of a room-temperature liquid metal foam.

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