基于异质结构 Ti3C2Tx/碳纳米角的气体传感器，用于室温下检测 NH3

IF 2.6 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Frontiers in Materials Pub Date : 2024-05-24 DOI:10.3389/fmats.2024.1383538

Yutong Han, Yuan Ding, Yu Yao, Zhanhong Li, Zhigang Zhu

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引用次数: 0

摘要

本研究提出了一种通过静电自组装方法与碳纳米角（CNH）复合的二维 Ti3C2Tx MXene，并将其制成室温氨（NH3）气体传感器。研究人员对成功制备 Ti3C2Tx/CNH 纳米复合材料进行了详细表征。此外，还在室温下测试了基于 Ti3C2Tx/CNH 的 NH3 传感性能。最佳的 Ti3C2Tx/CNH 传感器在室温下对 100 ppm NH3 的响应值为 21.6%，是纯 Ti3C2Tx 传感器的 10 倍。此外，这种传感器还具有出色的选择性、可靠的长期稳定性和可重复性。传感性能的提高与相互连接的结构以及 Ti3C2Tx 和 CNH 的协同效应有关。这项工作为制备基于 MXene 的 NH3 传感器敏感材料提供了一种有效的方法，该材料在室温下具有优异的 NH3 检测潜力。

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Heterostructured Ti3C2Tx/carbon nanohorn-based gas sensor for NH3 detection at room temperature

In this study, a two-dimensional Ti3C2Tx MXene compounded with carbon nanohorn (CNH) by an electrostatic self-assembly method was proposed and then fabricated as room temperature ammonia (NH3) gas sensors. The successful preparation of the Ti3C2Tx/CNH nanocomposite has been characterized in detail. The NH3 sensing performance based on Ti3C2Tx/CNH also has been tested at room temperature. The optimal Ti3C2Tx/CNH sensor has a response value of 21.6% to 100 ppm NH3 at room temperature, which is 10 times higher than that of the pure Ti3C2Tx sensor. Furthermore, this sensor is endowed with excellent selectivity, reliable long-term stability, and reproducibility. The enhanced sensing performance is associated with the interconnected structure and the synergistic effect of Ti3C2Tx and CNH. This work provides an effective way to prepare MXene-based sensitive materials for NH3 sensors, which shows excellent NH3 detection potential at room temperature.

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来源期刊

Frontiers in Materials Materials Science-Materials Science (miscellaneous)

CiteScore

4.80

自引率

6.20%

发文量

749

审稿时长

12 weeks

期刊介绍： Frontiers in Materials is a high visibility journal publishing rigorously peer-reviewed research across the entire breadth of materials science and engineering. This interdisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers across academia and industry, and the public worldwide. Founded upon a research community driven approach, this Journal provides a balanced and comprehensive offering of Specialty Sections, each of which has a dedicated Editorial Board of leading experts in the respective field.