Two-dimensional MXenes: recent emerging applications

Goel, Neeraj; Kushwaha, Aditya; Kumar, Mahesh

doi:10.1039/d2ra04354h

Cited by 29 publications

(13 citation statements)

References 209 publications

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“…In a very recent study, our group extensively discussed the chemical detection capabilities of MXenes. 62 We have also highlighted various ways such as surface functionalization, Schottky barrier modulation, and heterojunctions formation for improving the sensing ability of the MXenes-based gas sensors. MXenes and their nanocomposite gas sensors showed promising results for detecting NO 2 , H 2 , CH 4 , and VOCs.…”

Section: D Nanostructurementioning

confidence: 99%

“…In the recent years, MXenes emerge to be one of the most effective gas sensing materials due to their high conductivity, surface reactivity, biocompatibility, and stability. In a very recent study, our group extensively discussed the chemical detection capabilities of MXenes 62 . We have also highlighted various ways such as surface functionalization, Schottky barrier modulation, and heterojunctions formation for improving the sensing ability of the MXenes‐based gas sensors.…”

Section: Nanostructures For Gas Sensingmentioning

confidence: 99%

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Metal oxide semiconductors for gas sensing

Goel

Kunal

Kushwaha

et al. 2022

Engineering Reports

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The usage of the gas sensor has been increasing very rapidly in the industry and in daily life for various potential applications. In the recent years, metal oxide semiconductors (MOS) become the primary choice for designing highly sensitive, stable, and low‐cost real‐life applications‐based gas sensors due to their inherent physical and chemical properties. Researchers have proposed numerous sensing mechanisms to explain the functionality of MOS‐based gas sensors. In this review, we have comprehensively covered different sensing mechanisms used for MOS. We have also discussed different parameters affecting the sensitivity and selectivity of the gas sensors. Moreover, the different techniques used to enhance the gas sensing response of MOS‐based sensors are also extensively covered. And finally, we give our prospective on recent opportunities and challenges on the future applications of MOS‐based gas sensors.

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Section: D Nanostructurementioning

confidence: 99%

Section: Nanostructures For Gas Sensingmentioning

confidence: 99%

Metal oxide semiconductors for gas sensing

Goel

Kunal

Kushwaha

et al. 2022

Engineering Reports

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“…MXenes can also detect methane and VOC with 50-100 parts per billion (ppb) sensitivity at ambient conditions with a significant signal-to-noise ratio. 30 Detection of SO 2 by M 2 CO 2 (M = Hf, Sc, Ti, Zr) MXene was assessed with the first-principles approach. 31 The calculations revealed superior sensing, selectivity, and tuneability for Sc 2 CO 2 MXene.…”

Section: Removing Gaseous Contaminantsmentioning

confidence: 99%

Cleaning the environment with MXenes

et al. 2023

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Rapid global industrialization constantly impacts the environment by discharging pollutants. Therefore, various materials are currently being investigated for environmental applications, including two-dimensional (2D) MXenes. Herein, we focus on MXene-enabled technologies for removing inorganic and organic contaminants present in gaseous and liquid forms, especially organic dyes, pharmaceuticals, and solid pollutants. We foresee a considerable potential for MXene-enabled technologies to remove heavy ions and radionuclides and recover precious elements. We show that MXenes could efficiently inactivate microorganisms without harming the environment. Finally, we discuss the associated opportunities and challenges in MXenes’ surface chemistry, semiconducting activity, interfacial effects, adsorption, and photocatalysis. Altogether, this article showcases outstanding opportunities for MXenes in the rapidly growing field of environmental applications. Graphical abstract

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“…19–27 In the past few years, the family of 2D materials has witnessed significant expansion, encompassing TMDCs that include MoS 2 , WS 2 , NbSe 2 , MoSe 2 , MoTe 2 , WSe 2 , SnS 2 , SnSe 2 , In 2 Se 3 and violet phosphorus (VP) as well as black phosphorus, MXenes, and layered metal oxides (like MoO 3 and SnO 2 ). 28–48 These materials have demonstrated considerable potential for applications in gas sensing due to their chemical as well as physical characteristics, which are dependent on their thickness. 49–54 Following large-scale growth and tuning of structural characteristics, these materials' unique adaptabilities have led to a variety of uses in the fields of optoelectronic devices, electromechanical capabilities, etc.…”

Section: Introductionmentioning

confidence: 99%