基于2D MXenes及其混合体的室温化学复原氨传感器:最近的发展和未来的前景
Sayali Atkare1, Som Datta Kaushik2, Shweta Jagtap3
1Department of Physics, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India.
Dalton transactions (Cambridge, England : 2003)
|September 19, 2023
概括
本综述探讨了用于室温氨 (NH3) 气体检测的二维 (2D) MXene 材料. MXenes及其混合动力显示有望提高传感器性能,稳定性和更快的响应时间.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 化学传感器 化学传感器
背景情况:
- 室温氨 (NH3) 气体检测对于环境监测,安全和医学诊断至关重要.
- 二维 (2D) 材料为先进的气体传感应用提供了独特的特性.
- 作为一种二维过渡金属碳化物/化物/碳化物的一类,MXenes具有高导电性,大表面积和可调的表面化学,这使得它们对气体传感器具有前景.
研究的目的:
- 审查2D材料的应用,特别是MXenes,用于室温检测氨气.
- 突出MXenes在气体传感方面的优势,并讨论关键性能评估因素.
- 通过原始,合和混合材料探索增强基于MXene的氨传感器性能的策略.
主要方法:
- 关于二维材料和基于MXene的氨气传感器的综合文献综述.
- 分析传感器性能指标,包括响应,灵敏度,选择性,稳定性,电荷转移,吸附能量和响应/恢复时间.
- 将MXene材料分类为原始/插合和混合形式 (例如,MXene-金属氧化物,MXene-TMD,MXene-其他2D材料,MXene-聚合物).
主要成果:
- 由于其固有的特性,MXenes对室温氨感应具有显著的潜力.
- 与原始的MXenes相比,混合MXene材料结合了各种组件,提供了增强的传感特性.
- 影响传感器性能的关键因素为优化基于MXene的气体检测系统提供了一个框架.
结论:
- 基于MXene的材料及其混合物代表了开发高性能室温氨传感器的有希望的平台.
- 对MXene混合物和衍生材料的进一步研究可以在气体传感技术方面取得重大进展.
- 本综述提供了对基于MXene的氨检测现有进展和未来方向的见解.
更多相关视频
09:15Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors
Published on: November 22, 2016
10.6K
10:31Detection and Recovery of Palladium, Gold and Cobalt Metals from the Urban Mine Using Novel Sensors/Adsorbents Designated with Nanoscale Wagon-wheel-shaped Pores
Published on: December 6, 2015
28.1K
相关概念视频
Amperometry: Overview
601
Amperometry is a technique commonly used to measure the concentration of specific analytes in a solution by monitoring the electric current generated during an electrochemical reaction. It involves applying a constant potential between a working electrode and a reference electrode to measure the resulting current, which is proportional to the concentration of the analyte. The Clark oxygen electrode operates based on this principle of amperometry. It consists of a cathode and an anode enclosed...
601
Structure of Amines
2.6K
The hybridized nitrogen atom in amines possesses a lone pair of electrons and is bound to three substituents with a bond angle of around 108°, which is less than the tetrahedral angle of 109.5°. However, the C–N–H bond angle is slightly larger at 112°, with a carbon–nitrogen bond length of 147 pm. This carbon–nitrogen bond length of of amines is longer than the carbon–oxygen bond of alcohols (143 pm) but shorter than alkanes’...
2.6K
Gas Chromatography: Types of Detectors-II
414
In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...
414
