Stretchable Triboelectric Nanogenerator Based on Liquid Metal with Varying Phases

Advanced Science, Journal Year: 2024, Volume and Issue: 11(39)

Published: Aug. 13, 2024

Abstract Stretchable triboelectric nanogenerators (TENGs) represent a new class of energy‐harvesting devices for powering wearable devices. However, most them are associated with poor stretchability, low stability, and limited substrate material choices. This work presents the design demonstration highly stretchable stable TENGs based on liquid metalel ectrodes different phases. The conductive fluidic properties eutectic gallium‐indium (EGaIn) in serpentine microfluidic channel ensure robust performance EGaIn‐based TENG upon stretching over several hundred percent. bi‐phasic EGaIn (bGaIn) from oxidation lowers surface tension increases adhesion printing diverse substrates high output parameters. optimization electrode shapes bGaIn‐based can reduce device footprint weight, while enhancing stretchability. applications EGaIn‐ include smart elastic bands human movement monitoring carpets integrated data transmission/processing modules headcount monitoring/control. Combining concept origami paper‐based bGaIn to improve per unit area. integration bGaIn‐TENG self‐healing polymer corrosion resistance against acidic alkaline solutions further facilitates its use various challenging extreme environments.

Language: Английский

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Biphasic Graphene‐Oxide Liquid Metal Powder: Synthesis, Characterization, and Application in Energy Storage

Energy & environment materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 11, 2025

Nanodroplets of Gallium‐Based Liquid Metal (LM) have applications in stretchable electronics, electrochemical sensors, energy storage, hyperthermia, and rapid polymerization. The gallium oxide layer around LMNDs prevents aggregation. However, LM nanodroplets (LMNDs) are neither mechanically nor chemically stable. ultrathin ruptures under slight pressure, hindering their use electronics. shell also dissolves slightly acidic/alkaline solutions, making them unstable for storage sensing. We demonstrate the synthesis a dry powder with an core reduced graphene shell. Graphene provides excellent mechanical chemical stability permits electrical conductivity. Its porous structure does not block ion exchange between droplets environment, allowing to be used resulting EGaIn powders benefit from higher surface long‐term stability, addressing LMND limitations. report using GO@EGaIn nanocomposite as anode alkali‐ion batteries novel Ag‐EGaIn cell impressive capacity. combination liquid deformability LMNDs, area nano form, expands metals electronics storage.

Language: Английский

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Unique Porous Oxide Shell on Liquid Gallium Nanoparticles

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: March 3, 2025

The oxide "skin" that is easily formed on the surface of liquid gallium plays an important role in controlling wettability gallium. However, oxidation mechanism still under debate. Herein, experiments and reactive molecular dynamics simulations were performed to systematically investigate nanoparticles (GNPs). This study reveals cracking wrinkling behaviors during process, which kinetically driven by synergistic effect core flow. behavior facilitates morphological transformation GNPs from a core-shell structure spherical crown-like structure. A higher temperature would transform nucleation mode chain-like island-like, leading "crater" oxides. Our findings are favorable for understanding atomic-scale GNPs, could have practical significance production patterned circuit filling materials.

Language: Английский

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Bryophyllum pinnatum mediated eco-friendly synthesized porous microstructures of self-assembled Co-doped ZnO nanoparticles for methylene blue removal

Inorganic Chemistry Communications, Journal Year: 2024, Volume and Issue: 167, P. 112789 - 112789

Published: Sept. 1, 2024

Language: Английский

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Liquid metal-enhanced MoS2 nanocomposite for self-healing colloidal anodes in lithium-ion batteries

Journal of Power Sources, Journal Year: 2024, Volume and Issue: 626, P. 235805 - 235805

Published: Nov. 11, 2024

Language: Английский

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Bismuth‐Tin Core–Shell Particles From Liquid Metals: A Novel, Highly Efficient Photothermal Material that Combines Broadband Light Absorption with Effective Light‐to‐Heat Conversion

Advanced Science, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 7, 2024

Abstract This study presents a pioneering investigation of hybrid bismuth‐tin (BiSn) liquid metal particles for photothermal applications. It is shown that the intrinsic core–shell structure can be instrumentalized to combine broadband absorption characteristics defect‐rich nano‐oxides and high light‐to‐heat conversion efficiency metallic particles. Even though bismuth or tin does not show any alone, optimization BiSn leads discovery novel, highly efficient materials. Particles with optimized structures absorb 85% light achieve over 90% efficiency. demonstrated these used as solar absorber water evaporation systems owing their capability become non‐carbon alternative enabling scalable We also showcased use in polymer actuators which near‐infrared (NIR) response stems from oxide shell, fast heating/cooling rates achieved by core enable rapid local movement. These findings underscore potential metal‐derived diverse applications, capitalizing on outstanding properties well facile synthesis conditions.

Language: Английский

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In Situ Stabilization of Bi Nanoparticles into the Nanopores of Modified Montmorillonite: Efficient Heterogeneous Catalysts for Reduction of 4-Nitrophenol

Langmuir, Journal Year: 2024, Volume and Issue: 40(46), P. 24281 - 24291

Published: Nov. 5, 2024

Here, we report the in situ generation of Bi nanoparticles (BiNPs) into a nanoporous matrix by impregnation bismuth chloride and subsequent reduction with sodium borohydride. The was created acid activation natural montmorillonite clay under controlled conditions aim that it may serve as host for BiNPs. characterization stabilized BiNPs done using Fourier-transform infrared (FTIR), powder X-ray diffraction (PXRD), photoelectron spectroscopy (XPS), thermogravimetric analysis (TGA), transmission electron microscopy (TEM), field emission scanning microscopy-energy dispersive (FESEM-EDX) techniques. TEM study reveals an average particle size 7.16 nm are well-distributed on surface acid-activated clay. synthesized exhibited excellent catalytic activity degradation 4-nitrophenol (4-NP) aqueous medium remarkable results. 4-NP to 4-aminophenol (4-AP) at 25 °C, presence borohydride, brought about almost 100% conversion 6 min rate constant 0.20098 s

Language: Английский

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Interfacial Mechanoelectrochemical Activity of Liquid Metals Induced GaN Growth via N₂ Molecular Clipping at Room Temperature

ACS Sustainable Chemistry & Engineering, Journal Year: 2024, Volume and Issue: 13(1), P. 415 - 422

Published: Dec. 26, 2024

Atomic-level modification of molecules represents a crucial pathway for developing advanced functional materials and serves as cornerstone chemical synthesis. Molecular clipping offers facile, low-energy approach regulating the composition structure materials, with broad implications diverse fields. However, existing molecular techniques, including covalent bond breaking releasing intermediates, remain synthetically demanding, hindering their wider adoption. The electron-rich surface liquid metals confers lower reaction potential, suggesting considerable significant potential catalysis enabling traditionally demanding reactions to proceed efficiently in simple, manner. Herein, unique properties were utilized nitrogen (N2) achieving facile synthesis gallium nitride (GaN) at room temperature, which was previously generally considered unattainable. In N2 atmosphere, stimulated stirred through polytetrafluoroethylene (PTFE), resulting generation, accumulation, transport electric charges on leading formation microcurrents. This process facilitated exceptionally strong N≡N bond, generating reactive species that subsequently reacted (Ga) form GaN. work potentially generalizable strategy complex editing, advancing development atomically precise materials.

Language: Английский

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Sustainable sonoprocess for synthesizing γ-Ga2O3/In3Sn core–shell submicron particles via acoustic emulsification and oxidation of molten EGaInSn at room temperature

Ultrasonics Sonochemistry, Journal Year: 2024, Volume and Issue: 109, P. 106995 - 106995

Published: July 18, 2024

This study investigated the sustainable room-temperature synthesis of In

Language: Английский

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