Room temperature gas sensors based on Ce doped TiO2 nanocrystals for highly sensitive NH3 detection

Chemical Engineering Journal, Journal Year: 2022, Volume and Issue: 444, P. 136449 - 136449

Published: April 19, 2022

Language: Английский

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Recent Progress in Amine Gas Sensors for Food Quality Monitoring: Novel Architectures for Sensing Materials and Systems

ACS Sensors, Journal Year: 2022, Volume and Issue: 7(8), P. 2104 - 2131

Published: Aug. 1, 2022

The increasing demand for food production has necessitated the development of sensitive and reliable methods analysis, which allow optimization storage distribution while ensuring safety. Methods to quantify monitor volatile biogenic amines are key minimizing waste high-protein foods enable safe consumption fresh products. Novel materials device designs have allowed portable sensors that make use different transduction amine detection quality monitoring. Herein, we review past decade's advances in First, role as a food-quality index is presented. Moreover, comprehensive overview distinct gas provided according method, operation strategies, (e.g., metal oxide semiconductors, conjugated polymers, carbon nanotubes, graphene its derivatives, transition dichalcogenides, organic frameworks, MXenes, quantum dots, dyes, among others) employed each case. These include chemoresistive, fluorometric, colorimetric, microgravimetric sensors. Emphasis also given sensor arrays record fingerprints wireless devices operate radiofrequency identification (RFID) tags. Finally, challenges future opportunities on new presented aiming encourage further research technological reliable, integrated, remotely accessible

Language: Английский

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Edge‐Enriched Mo₂TiC₂T_x/MoS₂ Heterostructure with Coupling Interface for Selective NO₂ Monitoring

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(39)

Published: June 25, 2022

Abstract Endowed with rich terminal groups, good electrical conductivity, and controllable structure, transition metal carbides/nitrides (MXenes) have attracted extensive attention for potential application in gas sensor, but long‐standing challenges of the MXenes (titanium carbide as representative) are their limited selectivity sensitivity. Herein, a high‐active double transition‐metal titanium molybdenum (Mo 2 TiC T x ) superstrong surface adsorption (−3.12 eV) NO molecule is proposed, it further coupled disulfide (MoS by interface modulation to construct an edge‐enriched heterostructure. Due synergistic effect strong adsorption, sites, coupling Mo /MoS composite, as‐fabricated sensor exhibits outstanding response toward high against various interference gases, which well supported density functional theory calculations. Meanwhile, sensitivity 7.36% ppm −1 , detection limit 2.5 ppb, reversibility at room temperature. A portable, wireless monitoring system demonstrated leakage searching dangerous warning based on sensor. This work facilitates sensing MXenes, provides avenue development environmental safety assurance.

Language: Английский

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Gas Sensing Technology for the Detection and Early Warning of Battery Thermal Runaway: A Review

Energy & Fuels, Journal Year: 2022, Volume and Issue: 36(12), P. 6038 - 6057

Published: May 27, 2022

With the increasing popularity of battery technology, safety problems caused by thermal runaway batteries have been paid more attention. Detecting gases released from gas sensors is one effective strategies to realize early warning batteries. The inducing factors as well types and mechanisms generated at each reaction stage are first reviewed. According amount starting time release, five suitable for detection mainly introduced, including hydrogen (H2), carbon monoxide (CO), dioxide (CO2), ethylene (C2H4), methane (CH4). application prospects various gas-sensing technologies in further evaluated. Benefiting superiorities small size, high sensitivity, stable performance, resistive considered promising candidates this field, their sensing also described review. In addition, applicability optimization reviewed systematically, on basis aspects material, material design, etc. Finally, potential directions key points future development proposed.

Language: Английский

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MXene-based composite double-network multifunctional hydrogels as highly sensitive strain sensors

Journal of Materials Chemistry C, Journal Year: 2022, Volume and Issue: 10(19), P. 7604 - 7613

Published: Jan. 1, 2022

This paper reports MXene-based composite double-network multifunctional hydrogels as highly sensitive strain sensors.

Language: Английский

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MoO₃/TiO₂/Ti₃C₂T_x nanocomposite based gas sensors for highly sensitive and selective isopropanol detection at room temperature

Journal of Materials Chemistry A, Journal Year: 2022, Volume and Issue: 10(15), P. 8283 - 8292

Published: Jan. 1, 2022

The MoO 3 /TiO 2 /Ti C T x composite was synthesized by a simple one-step hydrothermal method. Due to the formation of more active centers and heterojunctions, sensor has excellent performance for VOCs unique response isopropanol.

Language: Английский

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Novel ammonia-responsive carboxymethyl cellulose/Co-MOF multifunctional films for real-time visual monitoring of seafood freshness

International Journal of Biological Macromolecules, Journal Year: 2023, Volume and Issue: 230, P. 123129 - 123129

Published: Jan. 4, 2023

Language: Английский

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Construction of LaF₃ QD-modified SnS₂ nanorod composites for ultrasensitive detection of H₂S

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 11(18), P. 9942 - 9954

Published: Jan. 1, 2023

In this paper, LaF 3 QD modified SnS 2 nanorods were used to create an ultrasensitive sensor for detecting the SF 6 decomposition product H S.

Language: Английский

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Recent progress in surface and heterointerface engineering of 2D MXenes for gas sensing applications

Coordination Chemistry Reviews, Journal Year: 2023, Volume and Issue: 500, P. 215542 - 215542

Published: Nov. 15, 2023

Language: Английский

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2D material-based sensing devices: an update

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 11(12), P. 6016 - 6063

Published: Jan. 1, 2023

2D structures have numerous attributes that make them effective for the fabrication of sensing devices. The aim this review is to provide an update on recent developments in field sensor devices made from atomically thin materials.

Language: Английский

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