Liquid‐Metal‐Assisted Programmed Galvanic Engineering of Core–shell Nanohybrids for Microwave Absorption

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(34)

Published: May 17, 2023

Abstract Core–shell nanostructures have received widespread attention because of their potential usage in various technological and scientific fields. However, they still face significant challenges terms fabrication core–shell nanostructure libraries on a controlled, even programmed scale. This study proposes general approach to systematically fabricate nanohybrids using liquid‐metal Ga alloys as reconfigurable templates, the initiation local galvanic replacement reaction is demonstrated utilizing an ultrasonic system. Under agitation, hydrated gallium oxides generated liquid metal droplets, simultaneously delaminated themselves from interfaces. Subsequently, single‐metal or bimetallic components are deposited fresh smooth Ga‐based via reactions form unique metal/metal nanohybrids. Controlled quantitative regulation diversity non‐homogeneous nanoparticle shell layer composition achieved. The obtained used efficient microwave absorbers dissipate unwanted electromagnetic wave pollution. effective absorption bands (90% absorption) GaNi GaCoNi 3.92 3.8 GHz at thickness 1.4 mm, respectively. advanced strategy enables growth other sulfides by spontaneous interfacial redox for functional materials future.

Language: Английский

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Smart Eutectic Gallium–Indium: From Properties to Applications

Advanced Materials, Journal Year: 2022, Volume and Issue: 35(1)

Published: Aug. 29, 2022

Eutectic gallium-indium (EGaIn), a liquid metal with melting point close to or below room temperature, has attracted extensive attention in recent years due its excellent properties such as fluidity, high conductivity, thermal stretchability, self-healing capability, biocompatibility, and recyclability. These features of EGaIn can be adjusted by changing the experimental condition, various composite materials extended further obtained mixing other materials. In this review, not only are unique introduced, but also working principles for EGaIn-based devices illustrated developments EGaIn-related techniques summarized. The applications fields, flexible electronics (sensors, antennas, electronic circuits), molecular (molecular memory, opto-electronic switches, reconfigurable junctions), energy catalysis (heat management, motors, generators, batteries), biomedical science (drug delivery, tumor therapy, bioimaging neural interfaces) reviewed. Finally, critical discussion main challenges development discussed, potential new fields prospected.

Language: Английский

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Wireless Technologies in Flexible and Wearable Sensing: From Materials Design, System Integration to Applications

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(27)

Published: April 23, 2024

Wireless and wearable sensors attract considerable interest in personalized healthcare by providing a unique approach for remote, noncontact, continuous monitoring of various health-related signals without interference with daily life. Recent advances wireless technologies have promoted practical applications due to their significantly improved characteristics, such as reduction size thickness, enhancement flexibility stretchability, conformability the human body. Currently, most researches focus on active materials structural designs sensors, just few exceptions reflecting data transmission. This review provides comprehensive overview state-of-the-art related studies empowering sensors. The emerging functional nanomaterials utilized designing modules are highlighted, which include metals, carbons, MXenes. Additionally, outlines system-level integration flexible spanning from novel design strategies enhanced efficient transmitting wirelessly. Furthermore, introduces representative remote noninvasive physiological through on-skin implantable sensing systems. Finally, challenges, perspectives, unprecedented opportunities discussed.

Language: Английский

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Lignocellulose‐Mediated Functionalization of Liquid Metals toward the Frontiers of Multifunctional Materials

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

Published: Nov. 21, 2024

Lignocellulose-mediated liquid metal (LM) composites, as emerging functional materials, show tremendous potential for a variety of applications. The abundant hydroxyl, carboxyl, and other polar groups in lignocellulose facilitate the formation strong chemical bonds with LM surfaces, enhancing wettability adhesion improved interface compatibility. Beyond serving supportive matrix, can be tailored to optimize microstructure adapting them diverse This review comprehensively summarizes fundamental principles recent advancements lignocellulose-mediated highlighting advantages composite fabrication, including facile synthesis, versatile interactions, inherent functionalities. Key modulation strategies LMs innovative synthesis methods functionalized composites are discussed. Furthermore, roles structure-performance relationships these electromagnetic shielding, flexible sensors, energy storage devices systematically summarized. Finally, obstacles prospective pertaining thoroughly scrutinized deliberated upon. is expected provide basic guidance researchers boost popularity applications useful references design state-of-the-art LMs.

Language: Английский

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Synthesis, Modulation, and Application of Two-Dimensional TMD Heterostructures

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(17), P. 10112 - 10191

Published: Aug. 27, 2024

Two-dimensional (2D) transition metal dichalcogenide (TMD) heterostructures have attracted a lot of attention due to their rich material diversity and stack geometry, precise controllability structure properties, potential practical applications. These not only overcome the inherent limitations individual materials but also enable realization new properties through appropriate combinations, establishing platform explore physical chemical at micro-nano-pico scales. In this review, we systematically summarize latest research progress in synthesis, modulation, application 2D TMD heterostructures. We first introduce techniques for fabricating heterostructures, examining rationale, mechanisms, advantages, disadvantages each strategy. Furthermore, emphasize importance characteristic modulation discuss some approaches achieve novel functionalities. Then, representative applications Finally, highlight challenges future perspectives synthesis device fabrication provide feasible solutions.

Language: Английский

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Emerging 2D Metal Oxides: From Synthesis to Device Integration

Advanced Materials, Journal Year: 2022, Volume and Issue: 35(21)

Published: Nov. 5, 2022

Abstract 2D metal oxides have aroused increasing attention in the field of electronics and optoelectronics due to their intriguing physical properties. In this review, an overview recent advances on synthesis electronic applications is presented. First, tunable properties that relate structure (various oxidation‐state forms, polymorphism, etc.), crystallinity defects (anisotropy, point defects, grain boundary), thickness (quantum confinement effect, interfacial etc.) are discussed. Then, advanced methods for besides mechanical exfoliation introduced classified into solution process, vapor‐phase deposition, native oxidation a source. Later, various roles widespread applications, i.e., transistors, inverters, photodetectors, piezotronics, memristors, potential (solar cell, spintronics, superconducting devices) Finally, outlook existing challenges future opportunities proposed.

Language: Английский

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Liquid Metal Combinatorics toward Materials Discovery

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(52)

Published: July 7, 2023

Abstract Liquid metals and their derivatives provide several opportunities for fundamental practical exploration worldwide. However, the increasing number of studies shortage desirable materials to fulfill different needs also pose serious challenges. Herein, address this issue, a generalized theoretical frame that is termed as “Liquid Metal Combinatorics” (LMC) systematically presented, summarizes promising candidate technical routes toward new generation material discovery. The major categories LMC are defined, eight representative methods manufacturing advanced outlined. It illustrated abundant targeted can be efficiently designed fabricated via through deep physical combinations, chemical reactions, or both among main bodies liquid metals, surface chemicals, precipitated ions, other materials. This represents large class powerful, reliable, modular innovating general achieved combinatorial not only maintained typical characteristics but displayed distinct tenability. Furthermore, fabrication strategies, wide extensibility, pivotal applications classified. Finally, by interpreting developmental trends in area, perspective on provided, which warrants its future society.

Language: Английский

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Room‐Temperature Liquid Metals for Flexible Electronic Devices

Small, Journal Year: 2023, Volume and Issue: 20(9)

Published: Oct. 24, 2023

Abstract Room‐temperature gallium‐based liquid metals (RT‐GaLMs) have garnered significant interest recently owing to their extraordinary combination of fluidity, conductivity, stretchability, self‐healing performance, and biocompatibility. They are ideal materials for the manufacture flexible electronics. By changing composition oxidation RT‐GaLMs, physicochemical characteristics metal can be adjusted, especially regulation rheological, wetting, adhesion properties. This review highlights advancements in used Meanwhile related RT‐GaLMs underlying principles governing processing applications electronics elucidated. Finally, diverse circuits, sensors, energy harvesting devices, epidermal electronics, explored. Additionally, challenges hindering progress discussed, while proposing future research directions potential this emerging field. presenting a concise critical analysis, paper contributes advancement as an advanced material applicable new generation

Language: Английский

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Dielectrics for Two-Dimensional Transition-Metal Dichalcogenide Applications

ACS Nano, Journal Year: 2023, Volume and Issue: 17(11), P. 9870 - 9905

Published: May 31, 2023

Despite over a decade of intense research efforts, the full potential two-dimensional transition-metal dichalcogenides continues to be limited by major challenges. The lack compatible and scalable dielectric materials integration techniques restrict device performances their commercial applications. Conventional for bulk semiconductors are difficult adapt atomically thin materials. This review provides brief introduction into various common emerging synthesis discusses applicability 2D transition metal dichalcogenides. Dielectric applications is reviewed in subsequent sections including nanoelectronics, optoelectronics, flexible electronics, valleytronics, biosensing, quantum information processing, sensing. For each application, we introduce basic working principles, discuss specific requirements, current progress, present key challenges, offer insights future prospects opportunities.

Language: Английский

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Functional Liquid Metal Polymeric Composites: Fundamentals and Applications in Soft Wearable Electronics

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(31)

Published: March 22, 2024

Abstract Wearable and self‐healing soft electronics have led to a significant emphasis on their potential in creating versatile, conformable, sustainable electronic modules. Among conductive additives, Liquid metals (LMs), combining both solid liquid characteristics, gained widespread attention due versatile physical, chemical, electrical properties as well capability, biocompatibility, recyclability. The fluidity of LMs facilitates adaptability various experimental conditions components for specific applications. Moreover, the oxide shell exhibits strong compatibility with surface functionalization polymerization processes, enhancing development reliable composite materials. Herein, an in‐depth analysis fundamental characteristics while addressing current drawbacks, such unpredictable reactivity poor stability, is presented. To harness advantages LMs, integration extensively discussed polymeric materials through grafting strategies, leading macromolecular composites exceptional softness, solubility, functionalization, versatility. Furthermore, applications within LM‐elastomer composites, particularly focusing relevance fields flexible electronics, are investigated. Finally, LMs' future prospects emphasized by highlighting polymers, thereby providing pathways major breakthroughs based devices.

Language: Английский

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