Electrochemical deposition of Prussian blue on Nb2CT MXene modified carbon cloth for the non-enzymatic electrochemical detection of hydrogen peroxide DOI
Ajith Mohan Arjun,

Neermunda Shabana,

Menon Ankitha

et al.

Microchemical Journal, Journal Year: 2022, Volume and Issue: 185, P. 108301 - 108301

Published: Dec. 6, 2022

Language: Английский

2D metal carbides and nitrides (MXenes) for sensors and biosensors DOI
Subbiah Alwarappan, Noel Nesakumar, Dali Sun

et al.

Biosensors and Bioelectronics, Journal Year: 2022, Volume and Issue: 205, P. 113943 - 113943

Published: Jan. 7, 2022

Language: Английский

Citations

188

2D MXene‐Based Biosensing: A Review DOI

Umay Amara,

Iftikhar Hussain,

Muhmmad Ahmad

et al.

Small, Journal Year: 2022, Volume and Issue: 19(2)

Published: Nov. 22, 2022

Abstract MXene emerged as decent 2D material and has been exploited for numerous applications in the last decade. The remunerations of ideal metallic conductivity, optical absorbance, mechanical stability, higher heterogeneous electron transfer rate, good redox capability have made a potential candidate biosensing applications. hydrophilic nature, biocompatibility, antifouling, anti‐toxicity properties opened avenues to perform vitro vivo analysis. In this review, concept, operating principle, detailed mechanism, characteristic are comprehensively assessed compiled along with breakthroughs fabrication conjugation strategies development unique electrochemical biosensors. Further, current challenges summarized suggested future aspects. This review article is believed shed some light on will open new opportunities advanced translational application bioassays.

Language: Английский

Citations

122

Electrochemical Detection of H2O2Using an Activated Glassy Carbon Electrode DOI Creative Commons
Preethika Murugan,

Ramila D. Nagarajan,

Ashok K. Sundramoorthy

et al.

ECS Sensors Plus, Journal Year: 2022, Volume and Issue: 1(3), P. 034401 - 034401

Published: June 28, 2022

Hydrogen peroxide (H 2 O ) is extensively used for sterilization purposes in the food industries and pharmaceuticals as an antimicrobial agent. According to Food Agriculture Organization (FAO), permissible level of H milk range 0.04 0.05% w/v, so it has been prohibited use a preservative Herein, we reported electrochemical sensing samples using activated glassy carbon electrode (AGCE). For this purpose, activation GCE was carried out 0.1 M SO 4 by continuous potential sweeping between −0.7 1.8 V 25 cycles. The AGCE showed redox peak at -0.18 neutral medium corresponding quinone functional groups present on surface. studied (pH 7.4) PBS electro-catalysis . surface analysed Raman spectroscopy contact angle measurements. In addition, surface, found be 85° which indicated hydrophilic nature different optimization parameters such (1) effect electrolyte ions, (2) electrooxidation cycles, (3) oxidation windows were improve process. Finally, detect from 10 mM limit detection (LOD) 0.053 with linear correlation coefficient (R 0.9633. selectivity sensor towards presence other interferents. sensitivity calculated 17.16 μ A mol cm −2 commercial application verified testing recovery 95%–98%.

Language: Английский

Citations

96

MoS2 Sphere/2D S-Ti3C2 MXene Nanocatalysts on Laser-Induced Graphene Electrodes for Hazardous Aristolochic Acid and Roxarsone Electrochemical Detection DOI
Umamaheswari Rajaji, Pattan‐Siddappa Ganesh, Sang‐Youn Kim

et al.

ACS Applied Nano Materials, Journal Year: 2022, Volume and Issue: 5(3), P. 3252 - 3264

Published: March 2, 2022

As nanomaterials have a high surface-to-volume ratio, they very specific features and therefore can be employed in variety of applications. The development electrochemical sensors based on novel nanocatalysts for detecting hazardous compounds is primary concern. In the present work, we proposed synthesis protocol MoS2 sphere-combined sulfur-doped Ti3C2 MXene nanocatalyst (MoS2/S-Ti3C2) evaluated its sensing performance. structural characterization this revealed that it was successfully synthesized using hydrothermal process. addition, activity different quantities MoS2/S-Ti3C2 loaded onto laser-induced graphene electrode (LGE) investigated, discovered 8 μL has highest activity. as-fabricated MoS2/S-Ti3C2/LGE used as medium aristolochic acid (AA) roxarsone (ROX) detection. Interestingly, sensor exhibited sensitivity 69.955 32.488 μA μM–1 cm–2 AA 56.972 19.688 ROX with detection limit 1.65 2.31 nM, respectively, concentration range 0.01–875.01 μM. influence few selected potential interferences does not show significant effect ROX, making best device practicability analysis. Moreover, practical application fabricated asarum sieboldii, human urine, blood serum samples recovery rate 97.00–99.00%.

Language: Английский

Citations

78

Surface Modification of a Titanium Carbide MXene Memristor to Enhance Memory Window and Low‐Power Operation DOI
Navaj B. Mullani, Dhananjay D. Kumbhar,

Do‐Hyeon Lee

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(26)

Published: March 24, 2023

Abstract With the demand for low‐power‐operating artificial intelligence systems, bio‐inspired memristor devices exhibit potential in terms of high‐density memory functions and emulation synaptic dynamics human brain. The 2D material MXene attracts considerable interest use resistive‐switching synapse owing to its excellent physicochemical properties devices. However, few memristive that display increased switching performances are reported, with no significant results. Herein, conductivity (Ti 3 C 2 T x ) is engineered via etching oxidation enhance performance device. exceptional partially oxidized memristors include large windows low threshold biases, complex spike‐timing‐dependent plasticity rules also emulated. distribution, reliable retention time (10 4 s), distinct resistance states a high ON–OFF ratio (>10 main memory‐related features this experimentally determined potentials optimized device uniformly distributed, according statistical probability‐based approach. This investigation may promote essential non‐volatile storage systems field innovative nanoelectronic

Language: Английский

Citations

60

Advanced metal oxides nanostructures to recognize and eradicate water pollutants DOI Creative Commons

Urmila Chakraborty,

Gurpreet Kaur, Horst‐Günter Rubahn

et al.

Progress in Materials Science, Journal Year: 2023, Volume and Issue: 139, P. 101169 - 101169

Published: July 28, 2023

The excessive inlet of contaminants into water is affecting its quality adversely which not recommended for health. Therefore, investigating economical, scalable, efficient, and faster approaches treatment crucual. In this direction, nanostructures (NSs) due to easy fabrication tailored properties are emerging technology management via detecting, monitoring, removing the targeted contaminants. Among several NSs, metal oxides (MO)-NSs have performed desired sensing remediation Considering state-of-the-art, review a first-time attempt explore design development available smart MO-NSs investigated management. This comprehensive article presents careful critical discussion decade (2011 2022) advancements based on (via electrochemical optical signalling), eradication adsorption, photocatalytic degradation, ultrasound-assisted-catalytic degradation/adsorption, ultrafiltration), simultaneous detection pollutants, disinfection. Moreover, challenges associated with focused state-of-the-art management, alternative approaches, possible future aspects critically delineated. Finally, project MO-NSs-based futuristic approach as green technologies deliver clean everyone greatly contributes community concerned per United Nations Sustainable Development Goal 6 (SDG6).

Language: Английский

Citations

59

MXene sensors based on optical and electrical sensing signals: from biological, chemical, and physical sensing to emerging intelligent and bionic devices DOI Creative Commons
Leiming Wu, Xixi Yuan,

Yuxuan Tang

et al.

PhotoniX, Journal Year: 2023, Volume and Issue: 4(1)

Published: May 5, 2023

Abstract Sensing devices are key nodes for information detection, processing, and conversion widely applied in different fields such as industrial production, environmental monitoring, defense. However, increasing demand of these has complicated the application scenarios diversified detection targets thereby promoting continuous development sensing materials methods. In recent years, Ti n+1 C n T x ( = 1, 2, 3) MXenes with outstanding optical, electrical, thermal, mechanical properties have been developed ideal candidates to apply physical, chemical, biological fields. this review, depending on optical electrical signals, we systematically summarize nine categories sensors strain, gas, fluorescence sensors. The excellent allow its further emerging intelligent bionic devices, including smart flexible E-skin, neural network coding learning, soft robot, well artificial eardrum, which all discussed briefly review. Finally, present a positive outlook potential future challenges perspectives MXene-based shown vigorous momentum applications can drive an number new technologies.

Language: Английский

Citations

54

Synergistic Integration of MXene and Metal-Organic Frameworks for Enhanced Electrocatalytic Hydrogen Evolution in an Alkaline Environment DOI Open Access

Low Ping Hao,

Abdul Hanan, Rashmi Walvekar

et al.

Catalysts, Journal Year: 2023, Volume and Issue: 13(5), P. 802 - 802

Published: April 26, 2023

The development of transition metal (TM) catalysts to replace precious metals has garnered increasing interest. Specifically, platinum (Pt)-based have been extensively investigated for their electrochemical performance in hydrogen evolution reaction (HER), which offer a clean means producing fuel without carbon emissions. However, the reliance on Pt-based hindered progress HER development. Therefore, researchers explored metal-organic frameworks (MOFs) as substitute noble address this issue. Nevertheless, low electroconductivity pure MOFs restricts application fields. To overcome limitation, MXenes emerged promising two-dimensional (2D) material coupling with create an electrocatalyst high electrical conductivity, large surface area, and tunable structure. In study, we report synthesis Ti3C2Tx (MXene) nanosheet-encapsulated catalyst (Ti3C2Tx@ZIF-8) activity cost by encapsulating precursor ZIF-8 alkaline media. exhibits overpotential only 507 mV at 20 mA/cm2 Tafel slope value 77 mV/dec. Additionally, cyclic voltammetry (CV) indicates active area (ECSA) 122.5 cm2, chronopotentiometry demonstrates stable nature over h any significant changes value. excellent properties Ti3C2Tx@ZIF-8 suggest its potential energy conversion applications.

Language: Английский

Citations

42

Regulating Functional Groups Enhances the Performance of Flexible Microporous MXene/Bacterial Cellulose Electrodes in Supercapacitors DOI
Yijia Luo, Wenxiu Que, Yi Tang

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(18), P. 11675 - 11687

Published: April 23, 2024

Ultrathin MXene-based films exhibit superior conductivity and high capacitance, showing promise as electrodes for flexible supercapacitors. This work describes a simple method to enhance the performance of supercapacitors by expanding stabilizing interlayer space between MXene flakes while controlling functional groups improve conductivity. Ti

Language: Английский

Citations

36

Design and engineering of 2D MXenes for point-of-care electrochemical detection of bioactive analytes and environmental pollutants DOI

Devarasu Mohanapriya,

Jitendra Satija, Sellappan Senthilkumar

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 507, P. 215746 - 215746

Published: Feb. 29, 2024

Language: Английский

Citations

29