MXene-Based Skin-Like Hydrogel Sensor and Machine Learning-Assisted Handwriting Recognition DOI
Fengying Wang,

Dengke Song,

Can Zhou

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(31), P. 41583 - 41595

Published: July 24, 2024

Conductive hydrogels are widely used in flexible sensors owing to their adjustable structure, good conductivity, and flexibility. The performance of excellent mechanical properties, high sensitivity, elastic modulus compatible with human tissues is great interest the field sensors. In this paper, functional groups trisodium citrate dihydrate (SC) MXene form multiple hydrogen bonds polymer network prepare a hydrogel properties (Young's (23.5–92 kPa) similar tissue (0–100 kPa)), sensitivity (stretched GF 4.41 compressed S1 5.15 MPa–1), durability (1000 cycles). able sensitively detect deformations caused by strain stress can be movement real time such as fingers, wrists, walking. addition, combination matrix sensing machine learning was successfully for handwriting recognition an accuracy 0.9744. shows potential areas healthcare, information security, smart homes.

Language: Английский

One-step growth of ultrathin CoSe2 nanobelts on N-doped MXene nanosheets for dendrite-inhibited and kinetic-accelerated lithium–sulfur chemistry DOI
Chuanliang Wei,

Zhengran Wang,

Peng Wang

et al.

Science Bulletin, Journal Year: 2024, Volume and Issue: 69(13), P. 2059 - 2070

Published: March 21, 2024

Language: Английский

Citations

26
Universal Synthesis of Single‐Atom Catalysts by Direct Thermal Decomposition of Molten Salts for Boosting Acidic Water Splitting DOI
Shubham Kaushik,

Duojie Wu,

Zhen Zhang

et al.

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

Published: April 19, 2024

Abstract Single‐atom catalysts (SACs) are considered prominent materials in the field of catalysis due to their high metal atom utilization and selectivity. However, wide‐ranging applications SACs remain a significant challenge complex preparation processes. Here, universal strategy is reported prepare series noble single atoms on different non‐noble oxides through facile one‐step thermal decomposition molten salts. By using mixture nitrate small‐amount chloride as precursor, can be easily introduced into oxide lattice owing cation exchange situ formed salt, followed by anions during heating process. Analyses aberration‐corrected high‐angle annular dark‐field scanning transmission electron microscopy extended X‐ray absorption fine structure spectroscopy confirm formation finely dispersed atoms. Specially, as‐synthesized Ir (10.97 wt%) Pt (4.60 Co 3 O 4 support demonstrate outstanding electrocatalytic activities for oxygen evolution reaction hydrogen reaction, respectively.

Language: Английский

Citations

25
Materials Containing Single‐, Di‐, Tri‐, and Multi‐Metal Atoms Bonded to C, N, S, P, B, and O Species as Advanced Catalysts for Energy, Sensor, and Biomedical Applications DOI Creative Commons
Jitendra N. Tiwari, Krishan Kumar, Moein Safarkhani

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: 11(33)

Published: July 1, 2024

Abstract Modifying the coordination or local environments of single‐, di‐, tri‐, and multi‐metal atom (SMA/DMA/TMA/MMA)‐based materials is one best strategies for increasing catalytic activities, selectivity, long‐term durability these materials. Advanced sheet supported by metal atom‐based have become a critical topic in fields renewable energy conversion systems, storage devices, sensors, biomedicine owing to maximum utilization efficiency, precisely located centers, specific electron configurations, unique reactivity, precise chemical tunability. Several offer excellent support are attractive applications energy, medical research, such as oxygen reduction, production, hydrogen generation, fuel selective detection, enzymatic reactions. The strong metal–metal metal–carbon with metal–heteroatom (i.e., N, S, P, B, O) bonds stabilize optimize electronic structures atoms due interfacial interactions, yielding activities. These provide models understanding fundamental problems multistep This review summarizes substrate structure‐activity relationship different active sites based on experimental theoretical data. Additionally, new synthesis procedures, physicochemical characterizations, biomedical discussed. Finally, remaining challenges developing efficient SMA/DMA/TMA/MMA‐based presented.

Language: Английский

Citations

24
Construction of MXene-MOF Membranes with Photocatalytic Self-Cleaning for Enhanced Oil-Water Emulsion Separation DOI
Hua Li, Hongjun Lin, Saleem Raza

et al.

Journal of Membrane Science, Journal Year: 2025, Volume and Issue: 718, P. 123685 - 123685

Published: Jan. 7, 2025

Language: Английский

Citations

4
The Single Atom Anchoring Strategy: Rational Design of MXene‐Based Single‐Atom Catalysts for Electrocatalysis DOI Open Access
Lixiang Wang, Yuhai Dou, Rong Z. Gan

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 13, 2025

Abstract Single‐atom catalysts (SACs) are a class of with low dosage, cost, and the presence metal atom‐carrier interactions high catalytic activity, which considered to possess significant potential in field electrocatalysis. The most important aspect synthesis SACs is selection suitable carriers. Metal carbides, nitrides, or carbon‐nitrides (MXenes) widely used as new type 2D materials good electrical conductivity tunable surface properties. abundance functional groups vacancy defects on MXenes an ideal anchoring site for single atoms therefore regarded carrier single‐atom loading. In this work, preparation method MXenes, loading mode SACs, characterization catalysts, electrochemical performance described detail, some hot issues current research future directions also summarized. aim work promote development MXene‐based within realm With ongoing innovation, these expected be crucial energy conversion storage solutions.

Language: Английский

Citations

2
Microfluidic‐Assembled Covalent Organic Frameworks@Ti3C2Tx MXene Vertical Fibers for High‐Performance Electrochemical Supercapacitors DOI
Xiaolin Zhu, Yang Zhang, Zengming Man

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(46)

Published: Aug. 24, 2023

The delicate design of innovative and sophisticated fibers with vertical porous skeleton eminent electrochemical activity to generate directional ionic pathways good faradic charge accessibility is pivotal but challenging for realizing high-performance fiber-shaped supercapacitors (FSCs). Here, hierarchically ordered hybrid fiber combined vertical-aligned conductive Ti3 C2 Tx MXene (VA-Ti3 ) interstratified electroactive covalent organic frameworks LZU1 (COF-LZU1) by one-step microfluidic synthesis developed. Due the incorporation channels, abundant redox active sites large accessible surface area throughout electrode, VA-Ti3 @COF-LZU1 express exceptional gravimetric capacitance 787 F g-1 in a three-electrode system. Additionally, solid-state asymmetric FSCs deliver prominent energy density 27 Wh kg-1 , 398 cycling life 20 000 cycles. key high storage ability originates from decreased ions adsorption ameliorative distribution vertically aligned fiber, accelerating transportation/accommodation interfacial electrons transfer. Benefiting excellent performance, offer sufficient supply power watches, flags, digital display tubes as well be integrated sensors detect pulse signals, which opens promising route architecting advanced toward carbon neutrality market beyond energy-storage technology.

Language: Английский

Citations

42
Non-noble metal single atom-based catalysts for electrochemical reduction of CO2: Synthesis approaches and performance evaluation DOI Creative Commons

Yichen Sun,

Xiaolu Liu, Mingyu Zhu

et al.

DeCarbon, Journal Year: 2023, Volume and Issue: 2, P. 100018 - 100018

Published: June 21, 2023

Limiting global carbon dioxide (CO2) emission is imperative to alleviate warming and meet the growing energy demand. Electrocatalytic CO2 reduction a promising approach for achieving this goal. The utilization of single atom-based catalysts (SACs) has garnered substantial attention in particular field. Although noble metal SACs offer many advantages reduction, their high cost scarcity have deterred researchers. Consequently, focus shifted toward low-priced transition metals, which shown better performance than some rare metals. This comprehensive review focuses on research advances electrocatalysis reaction using past five years. main synthesis strategies recent years are also summarized detail. Furthermore, based difference catalytic stability different catalysts, summarizes non-noble (such as Fe, Ni, Co, Mn, Cu, Sn, Zn) with sites reaction. discussion potential mechanisms included. Finally, ends by presenting an outlook difficulties possibilities inherent developing area atom electrocatalytic reduction.

Language: Английский

Citations

33
Molten Salt Derived MXenes: Synthesis and Applications DOI Creative Commons
D. Kruger, Hermenegildo Garcı́a, Ana Primo

et al.

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

Published: July 17, 2024

Abstract About one decade after the first report on MXenes, these 2D early transition metal carbides or nitrides have become among best‐performing materials in electrode applications related to electrical energy storage devices and power‐to‐fuels conversion. MXenes are obtained by a top‐down approach starting from appropriate 3D MAX phase that undergoes etching of A‐site metal. Initial procedures based use concentrated HF situ generation this highly corrosive poisonous reagent. Etching is major hurdles limiting progress field. The present review summarizes an alternative, universal, easily scalable procedure treating precursor with Lewis acid molten salt. starts presenting current state art salt obtain modify MXene, followed summary MXene samples. aim show versatility advantages terms general applicability, control surface terminal groups, uniform deposition nanoparticles, other features procedure.

Language: Английский

Citations

16
MXenes: A promising material with multifunctional applications DOI
Duraisami Dhamodharan, Mamdouh A. Al‐Harthi,

B Ramya

et al.

Journal of environmental chemical engineering, Journal Year: 2024, Volume and Issue: 12(2), P. 112316 - 112316

Published: Feb. 24, 2024

Language: Английский

Citations

15
Comparative analysis of the carbon nanotubes and emerging MXene for CO2 capture and storage DOI

Nadeem Hussain Solangi,

Rama Rao Karri, Nabisab Mujawar Mubarak

et al.

Process Safety and Environmental Protection, Journal Year: 2024, Volume and Issue: 185, P. 1012 - 1037

Published: March 15, 2024

Language: Английский

Citations

15