A review on thermal and electrical behaviours of liquid metal-based polymer composites

Journal of Materials Chemistry C, Journal Year: 2023, Volume and Issue: 11(38), P. 12807 - 12827

Published: Jan. 1, 2023

Liquid metals (LM) have attracted tremendous attention in the last decade, especially fabrication of LM-based polymer composites (LMPCs), due to unique combination their metallic and fluidic properties.

Language: Английский

---

Estimated electric conductivities of thermal plasma for air-fuel combustion and oxy-fuel combustion with potassium or cesium seeding

Heliyon, Journal Year: 2024, Volume and Issue: 10(11), P. e31697 - e31697

Published: May 22, 2024

A complete model for estimating the electric conductivity of combustion product gases, with added cesium (Cs) or potassium (K) vapor ionization, is presented. Neutral carrier gases serve as bulk fluid that carries seed material, well electrons generated by partial thermal (equilibrium) ionization alkali metal. The accounts electron-neutral scattering, electron-ion and electron-electron scattering. tested through comparison published data. aimed at being utilized plasma within magnetohydrodynamic (MHD) channels, where direct power extraction from passing electrically conducting gas enables generation. then used to estimate seeded under three selected fuels, namely: hydrogen (H2), methane (CH4), carbon (C). For each these two options oxidizer were applied, air (21 % molecular oxygen, 79 nitrogen mole), pure oxygen (oxy-combustion). Two types seeds (with 1 mole fraction, based on composition before ionization) also applied six combinations (fuel-oxidizer), leading a total 12 different MHD cases. cases, was computed range temperatures 2000 K 3000 K. smallest estimated 0.35 S/m oxy-hydrogen K, seeding. largest 180.30 oxy-carbon At replacing causes gain in multiplicative factor about 3.6 regardless fuel oxidizer. This declines between 1.77 2.07

Language: Английский

---

Materials Nanoarchitectonics at Dynamic Interfaces: Structure Formation and Functional Manipulation

Materials, Journal Year: 2024, Volume and Issue: 17(1), P. 271 - 271

Published: Jan. 4, 2024

The next step in nanotechnology is to establish a methodology assemble new functional materials based on the knowledge of nanotechnology. This task undertaken by nanoarchitectonics. In nanoarchitectonics, we architect material systems from nanounits such as atoms, molecules, and nanomaterials. terms hierarchy structure harmonization function, created nanoarchitectonics has similar characteristics organization biosystems. Looking at actual biofunctional systems, dynamic properties interfacial environments are key. other words, interfaces important for production bio-like highly systems. this review paper, will be discussed, looking recent typical examples. particular, basic topics “molecular manipulation, arrangement, assembly” “material production” discussed first two sections. Then, following section, “fullerene assembly: zero-dimensional unit advanced materials”, discuss how various structures can very nanounit, fullerene. above examples demonstrate versatile possibilities architectonics interfaces. last these tendencies summarized, future directions discussed.

Language: Английский

---

Liquid metals nanotransformer for healthcare biosensors

Soft Science, Journal Year: 2023, Volume and Issue: 3(4)

Published: Nov. 3, 2023

Featuring low cost, melting points, excellent biocompatibility, outstanding electrical conductivity, and mechanical properties, gallium-based liquid metals (LMs) have become a promising class of materials to fabricate flexible healthcare sensors. However, the extremely high surface tension hinders their manipulation cooperation with substrates. To address this problem, inspiration nanomaterials has been adopted mold LMs into LM nanoparticles (LMNPs) expanded advantages. The transformability LMNPs endows them functionalities for sensors in multiple dimensions, such as intelligent response specific molecules or strains, various morphologies, integration high-resolution circuits, conductive elastomers. This review aims summarize superior properties LMs, LMNPs, correlated advantages sensor performance. Multidimensional functional sensing forms consisting corresponding applications will be presented. In end, existing challenges prospects processing application also discussed.

Language: Английский

---

Lubrication properties of gallium-based liquid metals by doping bismuth

Tribology International, Journal Year: 2024, Volume and Issue: 195, P. 109653 - 109653

Published: April 9, 2024

Language: Английский

---

Composite Nanoarchitectonics Towards Method for Everything in Materials Science

Journal of Inorganic and Organometallic Polymers and Materials, Journal Year: 2024, Volume and Issue: 34(7), P. 2926 - 2947

Published: April 16, 2024

Abstract The characteristic feature of a biofunctional system is that components with various functions work together. These multi-components are not simply mixed together, but rationally arranged. fundamental technologies to do this in an artificial include the synthetic chemistry substances make component unit, science and techniques for assembling them, technology analyzing their nanoostructures. A new concept, nanoarchitectonics, can play role. Nanoarchitectonics post-nanotechnology concept involves building functional materials reflect nanostructures. In particular, approach combining multiple types create composite area where nanoarchitectonics be powerful tool. This review summarizes such examples related studies. presented areas catalyst & photocatalyst, energy, sensing environment, bio medical, other applications illustrate potential wide range applications. order show stages development, only state-of-the-art, also those successful developments existing research. Finally, summary brief discussion future challenges will given. applicable all aims establish ultimate methodology science.

Language: Английский

---

2D Materials Nanoarchitectonics for 3D Structures/Functions

Materials, Journal Year: 2024, Volume and Issue: 17(4), P. 936 - 936

Published: Feb. 17, 2024

It has become clear that superior material functions are derived from precisely controlled nanostructures. This been greatly accelerated by the development of nanotechnology. The next step is to assemble materials with knowledge their nano-level structures. task assigned post-nanotechnology concept nanoarchitectonics. However, nanoarchitectonics, which creates intricate three-dimensional functional structures, not always easy. Two-dimensional nanoarchitectonics based on reactions and arrangements at surface may be an easier target tackle. A better methodology would define a two-dimensional structure then develop it into function. According these backgrounds, this review paper organized as follows. introduction followed summary three issues; (i) 2D 3D dynamic control: liquid crystal commanded surface, (ii) rational construction: metal-organic framework (MOF) covalent organic (COF); (iii) amplification: cells regulated surface. In addition, summarizes important aspects ultimate perspective. goal establish integrated creation reconsidering various reported cases viewpoint where can regarded method for everything in science.

Language: Английский

---

A Highly Stretchable Force Sensitive and Temperature Sensitive Sensor Material with the Sandwich Structure of PDMS + PDMS/GaInSn + PDMS

Polymers, Journal Year: 2023, Volume and Issue: 15(18), P. 3776 - 3776

Published: Sept. 15, 2023

Flexible conductive sensor materials have received great attention for their sensitive electrical response to external conditions and promising applications in flexible wearable robotic applications. In this work, a highly stretchable force temperature material with sandwich structure was prepared from the polydimethylsiloxane (PDMS) liquid metal (LM) gallium-indium-tin alloy (GaInSn). The (PDMS + PDMS/GaInSn PDMS) proven prevent "leakage" of LM. preparation method sensing simple time-saving (less than 1.5 h) can be used industrial production. performance analysis results confirmed that resistance (R) force, such as repeated stretching, compressing, bending, impacting. ΔR/R changed periodically stably when GaInSn/Part A ≥ 0.4, cyclic tensile strain ≤ 50%, rate 2.5 mm/min. R also responsive temperature, hot air nitrogen. conclusion, work provides preparing structure, which without leaking LM, it produced different types signals under deformations temperatures.

Language: Английский

---

Photo-Induced Reversible Deformation of Liquid Metal/Azo Polymer Hybrid Nanospheres for Application as Transformable Nanomachine

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(5), P. 5221 - 5229

Published: Feb. 21, 2024

Liquid metal can be used in transformable soft robots due to its ability manifest universal deformation effects under external field stimuli. However, the reversible transformation of liquid metals between different forms control light fields has not been sufficiently investigated. In this work, a method coat nanodroplets with an azo polymer that exhibits photo-induced properties developed. The corona surrounding imparts metal. By alternating illumination metal/azo hybrid nanospheres 488 nm polarized and 980 light, undergo spheres ellipsoids. interaction shell is investigated by using density functional theory. This successfully overcomes limitations itself responding stimuli, providing potential application as nanomachine.

Language: Английский

---

A Flexible Sensing Material with High Force and Thermal Sensitivity Based on GaInSn in Capillary Embedded in PDMS

Polymers, Journal Year: 2024, Volume and Issue: 16(23), P. 3426 - 3426

Published: Dec. 5, 2024

Flexible sensing materials have become a hot topic due to their sensitive electrical response external force or temperature and promising applications in flexible wear human-machine interaction. In this study, PDMS/capillary GaInSn material with high thermal sensitivity was prepared utilizing liquid metal (LM, GaInSn), silicone capillary, polydimethylsiloxane (PDMS). The resistance (

Language: Английский

---