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

Toshiki Yamanaka,

Yamato Hayashi,

Hirotsugu Takizawa

et al.

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

Binary transition metal oxide/carbon compounds-based electrode materials for supercapacitor application: A comprehensive review DOI
Masomeh Askari, Parisa Salarizadeh, Mohammad Taghi Tourchi Moghadam

et al.

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: unknown, P. 180573 - 180573

Published: April 1, 2025

Language: Английский

Citations

2
Mechanism behind the Controlled Generation of Liquid Metal Nanoparticles by Mechanical Agitation DOI

Nur‐Adania Nor‐Azman,

Mohammad B. Ghasemian, Richard Fuchs

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(17), P. 11139 - 11152

Published: April 15, 2024

The size-controlled synthesis of liquid metal nanoparticles is necessary in a variety applications. Sonication common method for breaking down bulk metals into small particles, yet the influence critical factors such as composition has remained elusive. Our study employs high-speed imaging to unravel mechanism particle formation during mechanical agitation. Gallium-based metals, with and without secondary bismuth, indium, tin, are analyzed observe effect cavitation surface eruption sonication release. impact inclusion investigated on metals' tension, solution turbidity, size distribution generated particles. work evidences that there an inverse relationship between tension ability be broken by sonication. We show even 0.22 at. % bismuth gallium, significantly decreased from 558 417 mN/m (measured Milli-Q water), resulting enhanced generation rate: 3.6 times increase turbidity ∼43% reduction particles gallium alloy compared same duration. particles' photocatalysis annealed also presented applicability process proof-of-concept demonstration. This contributes broader understanding nanoparticles, controlled characteristics, via agitation diverse

Language: Английский

Citations

9
From Droplets to Devices: Recent Advances in Liquid Metal Droplet Enabled Electronics DOI Creative Commons
Wedyan Babatain, Min Sung Kim, Muhammad M. Hussain

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(31)

Published: Oct. 11, 2023

Abstract Liquid metals, particularly non‐toxic gallium‐based alloys, have emerged as promising materials for future soft electronics due to their unique properties, including fluidity, excellent electrical and thermal conductivities, surface reactivity. They demonstrate adaptability, responsivity, self‐healing abilities, offering a platform innovative electronic devices. Embodied in droplet form factor, liquid metal droplets (LMDs) combine the traits of metals with advantages miniaturized structures, high tension, area, mobility, functionalization. This review discusses inherent properties LMDs, which driven substantial research interest across various fields, such sensors, robotics, circuits, energy harvesters, drug delivery, microfluidics systems, among others. Effective fabrication processing techniques are detailed illustrating role applications previously challenging conventional materials, reconfigurable, self‐healing, transient electronics. Existing challenges directions this growing field discussed. extensive seeks further understanding LMDs potential, roadmap journey from niche key material

Language: Английский

Citations

19
A toolbox for investigating liquid metal systems DOI Creative Commons
Vaishnavi Krishnamurthi, Caiden J. Parker, Chung Kim Nguyen

et al.

Cell Reports Physical Science, Journal Year: 2024, Volume and Issue: 5(2), P. 101820 - 101820

Published: Feb. 1, 2024

The exceptional properties of liquid metals at room temperature, such as their fluidity, stretchability, deformability, and potential applications, have rapidly inspired the scientific community. At present, main challenge is overcoming technical barriers associated with characterization metal systems, which resulted in molecular structure remaining effectively unknown. This lack knowledge has significantly hampered progress emerging field chemistry, prohibiting tailored design relegating researchers to work by trial error. In recent years, several technological developments, including improved analytical tools, emerged that tackle current challenges. this review, we present a comprehensive appraisal various state-of-the-art techniques can help uncover answers long-standing questions domain metal-in-metal colloidal systems. We describe selected generic methodologies unique approaches capture changes physical chemical behavior molten presence internal external stimuli. combination, outlined tools will deepen our understanding chemistry accelerate research translation provide solutions areas catalysis, biomedicine, reconfigurable electronics.

Language: Английский

Citations

5
Hexagonal Mo Bronze: Single Crystal Structures, Electrocatalytic Hydrogen Evolution, and Proton Conductivity DOI

Gopika Premanand,

Debu Jana,

Parvathy M. Unnikrishnan

et al.

Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(23), P. 10671 - 10681

Published: May 28, 2024

Molybdenum trioxide (MoO3) is a well-known transition metal oxide that has drawn much attention as functional material having numerous applications. However, vast majority of studies have primarily focused on α-MoO3, the thermodynamically stable polymorph MoO3. This present work encompasses synthesis single crystals two metastable hexagonal MoO3 described by formulas {Mn0.03Na0.01}@[Mo0.93VIMo0.07VO3] (1) and {Cu0.01Na0.01}@[Mo0.97VIMo0.03VO3] (2), their comprehensive structural characterization single-crystal X-ray crystallography, routine spectral microscopic studies. Interestingly, compound 1 acts an efficient electrocatalyst for hydrogen evolution reaction (HER) well effective proton conductor in comparison to performance 2. The HER activity characterized overpotential 340 mV@1 mA cm–2 low Tafel slope 75 mV/decade. catalyst (compound 1) displays Faradaic efficiency 88% with turnover frequency 2.9 s–1. conductivity value this determined be 4.9 × 10–3 S cm–1 at 55 °C under 98% relative humidity; relevant conduction operated Grotthuss mechanism activation energy 0.17 eV.

Language: Английский

Citations

2
Heterostructured binary/ternary MoO3/Bi2MoO6 metal oxide-based acetone sensing devices relevant to non-invasive disease monitoring DOI
Arpit Verma, D. K. Yadav,

Subramanian Natesan

et al.

Journal of Materials Chemistry C, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 24, 2024

This study focuses on the fabrication and optimization of chemiresistive sensing devices relevant to non-invasive disease monitoring, specifically diabetes.

Language: Английский

Citations

2
Detailed work function and structural investigations of layered MoO3 onto SiO2 and MoS2 in air DOI Creative Commons
Saeed Sovizi, Sergio Tosoni,

Tomasz Zdunek

et al.

Applied Surface Science, Journal Year: 2024, Volume and Issue: 669, P. 160578 - 160578

Published: Oct. 1, 2024

MoS2, its oxides and heterostructures are increasingly utilized in nanoscale opto-electronics catalysis, where electrical properties such as work function (WF) affect their performance. Herein, a detailed study of the thickness-dependent case thermally produced layered Mo onto SiO2 MoS2 substrates air is presented. First, effects typical contaminants on mechanically exfoliated investigated. Then, high resolution structural characterization by atomic force microscopy supported X-ray photoelectron spectroscopy shows that thermal oxidation humid produces amorphous MoO3 with nano-crystallites. Kelvin-probe analysis first layer both negatively charged depends oxide thickness. The WF explained presence screened electric field at MoO3/substrate interface. negative doping to studied confirmed through density functional theory simulations. Moreover, an device from monolayer built rectification behavior due p-type layer. Overall, this provides insight understand manipulate MoO3/MoS2 various devices.

Language: Английский

Citations

1
Tungsten Oxide Coated Liquid Metal Electrodes via Galvanic Replacement as Heavy Metal Ion Sensors DOI Creative Commons
Sagar Bhagwat, Leonhard Hambitzer,

Richard Prediger

et al.

Sensors, Journal Year: 2024, Volume and Issue: 24(2), P. 416 - 416

Published: Jan. 10, 2024

Gallium liquid metals (LMs) like Galinstan and eutectic Gallium-Indium (EGaIn) have seen increasing applications in heavy metal ion (HMI) sensing, because of their ability to amalgamate with HMIs lead, high hydrogen potential, stable electrochemical window. Furthermore, coating LM droplets nanopowders tungsten oxide (WO) has shown enhancement HMI sensing owing intense electrical fields at the nanopowder-liquid–metal interface. However, most sensors are droplet based, which show limitations scalability homogeneity surface. A scalable approach that can be extended electrodes is therefore highly desirable. In this work, we present, for first time, WO-Galinstan fabricated via photolithography a negative cavity, brushing inside lift-off, galvanic replacement (GR) salt solution. Successful GR was verified using optical microscopy, SEM, EDX, XPS, surface roughness measurements electrodes. The demonstrated enhanced sensitivity comparison structured from pure detected lead concentrations down 0.1 mmol·L−1. This work paves way new class electrodes, microfluidics MEMS toxic-free environment.

Language: Английский

Citations

1
Crystalline Nanodomains at Multifunctional Two-Dimensional Liquid–Metal Hybrid Interfaces DOI Creative Commons
Mohammad Karbalaei Akbari, Nasrin Siraj Lopa,

Serge Zhuiykov

et al.

Crystals, Journal Year: 2023, Volume and Issue: 13(4), P. 604 - 604

Published: April 1, 2023

Two-dimensional (2D) liquid–metal (LM) heterointerfaces with their tunable physicochemical characteristics are emerging platforms for the development of multifunctional hybrid nanostructures numerous functional applications. From this perspective, functionalization LM galinstan nanoparticles (NPs) crystalline nanodomains is a promising approach toward synthesis novel 2D unprecedented properties. However, decoration desired nanocrystalline structures challenging process due to simultaneous and intensive interactions between liquid–metal-based metallic nanodomains. The present study discloses facile method growth at heterointerfaces. In sonochemical-assisted method, acoustic waves provide driving force ultra-fine on surface NPs. NPs were initially engulfed within carbon nanotube (CNT) frameworks, prevent reactions surrounding environment. These CNT frameworks furthermore separate from other products sonochemistry reactions. following material characterization studies demonstrated nucleation various types polycrystalline structures, including Ag, Se, Nb functionalized showed electronic photonic originated interfaces.

Language: Английский

Citations

1
Sustainable sonoprocess for synthesizing γ-Ga2O3/In3Sn core–shell submicron particles via acoustic emulsification and oxidation of molten EGaInSn at room temperature DOI Creative Commons

Toshiki Yamanaka,

Yamato Hayashi,

Hirotsugu Takizawa

et al.

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

Citations

0