Recent Advances in MXenes: Preparation, Properties, and Catalytic Activity

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Materials Processes".

Deadline for manuscript submissions: closed (20 September 2020) | Viewed by 6803

Special Issue Editor


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Guest Editor
Department of Environmental Protection Engineering, Faculty of Technology, Tomas Bata University in Zlin, Zlin, Czech Republic
Interests: electrochemistry; bioelectrochemistry; nanomaterials; nanotechnology; bionanotechnology

Special Issue Information

Dear colleagues,

Since the first report on the synthesis and characterization of layered two-dimensional transition metal carbides/nitrides (MXenes) about a decade ago, many studies (1588 results in Scopus, with search term “MXene*”) have appeared, reporting on the interesting properties and applications of these nanomaterials. MXenes’ structure—transition metal atoms layers altered with carbon and/or nitrogen atoms layers—allows for a remarkable diversity in composition and enables adjustment of the MXene properties. The general structure also determines two main fields of MXene applications—preparation of efficient (electro)catalysts for either sensing or energetic purposes and fabrication of electrodes for use in supercapacitors, batteries, and other energy-supplying devices. However, applications and experiments go beyond those two fields with, for example, investigations of polymeric composites containing MXenes, their chemical modifications or their application in remediation processes. The aim of this Special Issue is to present both review articles covering up-to-date advances in MXene synthesis, characterization, and applications, as well as recent experimental works within this area. It is hoped that this collection will enable other researchers to broaden their knowledge and promote the future applications of this promising novel type of nanomaterial.

Dr. Jaroslav Filip
Guest Editor

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Keywords

  • MXene
  • 2D nanomaterials
  • MXene synthesis
  • MXene applications
  • energy storage
  • sensing
  • biosensing

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Published Papers (1 paper)

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Research

10 pages, 1645 KiB  
Article
Ultrasensitive Ti3C2TX MXene/Chitosan Nanocomposite-Based Amperometric Biosensor for Detection of Potential Prostate Cancer Marker in Urine Samples
by Stefania Hroncekova, Tomas Bertok, Michal Hires, Eduard Jane, Lenka Lorencova, Alica Vikartovska, Aisha Tanvir, Peter Kasak and Jan Tkac
Processes 2020, 8(5), 580; https://doi.org/10.3390/pr8050580 - 13 May 2020
Cited by 59 | Viewed by 6378
Abstract
Two-dimensional layered nanomaterial Ti3C2TX (a member of the MXene family) was used to immobilise enzyme sarcosine oxidase to fabricate a nanostructured biosensor. The device was applied for detection of sarcosine, a potential prostate cancer biomarker, in urine for [...] Read more.
Two-dimensional layered nanomaterial Ti3C2TX (a member of the MXene family) was used to immobilise enzyme sarcosine oxidase to fabricate a nanostructured biosensor. The device was applied for detection of sarcosine, a potential prostate cancer biomarker, in urine for the first time. The morphology and structures of MXene have been characterised by atomic force microscopy (AFM) and scanning electron microscopy (SEM). Electrochemical measurements, SEM and AFM analysis revealed that MXene interfaced with chitosan is an excellent support for enzyme immobilisation to fabricate a sensitive biosensor exhibiting a low detection limit of 18 nM and a linear range up to 7.8 µM. The proposed biosensing method also provides a short response time of 2 s and high recovery index of 102.6% for detection of sarcosine spiked into urine sample in a clinically relevant range. Full article
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